Board of Trustees Profiles

Steve is a Managing Director at Morgan Stanley. He works with entrepreneurs and private companies to manage issues surrounding initial public offerings and merger transactions. He has worked with over 75 IPO companies during his tenure. Steve helps formulate pre-liquidity strategies that may encompass tax and estate planning, as well as diversification strategies through 10b5-1 plans and hedging transactions.  Prior to Morgan Stanley, he worked for First Winthrop, a Boston-based real estate investment bank.

Steve grew up on a wheat and cattle ranch in eastern Oregon. Steve and his wife Julie continue to own and operate the ranch having added organic lavender and are currently developing alternative energy. He is a graduate of Oregon State University where he obtained a Bachelor of Science degree in 1986. Steve is a former Trustee of the Bay Area Discovery Museum and the Olympic Club Foundation. He served as a co-chair for Town School for Boys Annual Giving and Building for Boys Capital Campaigns, as well as a member of the Katherine Delmar Burke’s investment committee.

Steve and his wife, Julie, live in San Francisco with their four children, Henry (Branson ‘18), Andrew (Branson ‘20), Isabelle (Branson ‘23) and William (Branson’ 23).

Savi Baveja is a Director and Senior Partner with Bain & Company, one of the world's leading management consulting companies. He started at the firm in 1989 and is a leader in the firm's  Strategy, Telecommunications, Media and Technology(TMT) and Advanced Analytics practices. He has also served on Bain's board of directors. Further, Savi is the founder and former CEO of Trooly, a predictive analytics startup, which was purchased by online hospitality service Airbnb in 2017.
Savi and his wife Chetna Baveja live in San Francisco with their two children Amrit (Branson '21), and Simran (Branson '23)

Savi holds an MBA with high distinction as a Baker Scholar from Harvard Business School. He also holds an undergraduate degree in electrical engineering with distinction from Stanford University, where he was also a Terman Scholar.  He has served on the board of the Cathedral School for Boys, and both he and his wife are passionate supporters of the Sikh Coalition, Innovations for Poverty Action, Autism Speaks, and SFMoMa.

A member of the Class of 1987, Ben returned to the Bay Area in February of 2012 as an Assistant Volleyball Coach at UC Berkeley from 2012-2015. Ben is currently in sales and is the Director of Coaches at Marin Juniors Volleyball Club.  Ben attended San Diego State University and was a member of the USA Men’s National Volleyball Team for three seasons, and followed that up with a professional career in Finland. He is a member of the American Volleyball Coaches Association (AVCA), and a member of the AVCA Education and Publication Committee. Ben also serves as a mentor in the AVCA Coaches Mentoring program and spent six years representing the ACC on the AVCA Assistant Coaches Committee. Ben lives in San Rafael.

Julie has held executive marketing positions for Fortune 100 consumer-package goods companies after graduating from the Kellogg Graduate School of Management at Northwestern University. She specializes in new product development in both domestic and international markets and has worked in venture-funded, as well as, non-profit startups.  Since moving from Chicago in 2008, Julie has served on the board of the Mill Valley Schools Community Foundation, Kiddo! focused on raising funds to supplement limited California state education budgets.

Most recently, she has supported various leadership positions in the Branson Parents Association, including her current role as Parents Association President.
A SoCal native, she graduated with a B.A. in Business Economics from U.C. Santa Barbara and received her M.B.A. from Northwestern University. She lives in Mill Valley with her husband Doug and their two daughters, Bella (’19) and Serafina (’21)

Jack is a partner at TPG Capital based in San Francisco, where he leads the platform’s investments in the Industrials and Services spaces.  Prior to joining TPG in 2016, Jack served as a Partner in the Merchant Banking Division at Goldman Sachs & Co. as the Head of Industrials Private Equity in the Americas.  Prior to his seventeen years at Goldman Sachs, Jack was on the faculty of Mechanical & Aerospace Engineering at Case Western Reserve University (CWRU).  Jack has served on a number of Boards of Directors of Transplace & CLEARResult.  He is also on the Board of the Navy SEAL Foundation. Jack received BS and MS degrees in mechanical engineering from CWRU and an MBA from the Wharton School of the University of Pennsylvania. Jack and his wife Metka live in San Francisco with their three boys, Joseph (Branson ’20), James (Branson ‘ 22) and Luke.
Steve Fletcher is a Managing Director and a member of the Management Committee at GCA Advisors, a boutique investment bank that he helped start. Prior to GCA, Steve worked in the Investment Banking Division at Goldman Sachs for nine years, mostly in New York. Steve is also the Co-founder of Amplia, a subsidiary of GCA. Amplia supports US media and technology companies' entry into the Asian market. In addition, he is on the Board of Directors of venture-backed AtVenu and is involved with a number of charitable organizations. For the past two years, Steve has served as President of Branson’s Alumni Council, including acting as the alumni representative on the Board. He graduated from Branson in 1985, earned a BA in Economics from UCLA in 1989 and an MBA from the Wharton School of the University of Pennsylvania in 1994.Steve lives in Kent Woodlands with his wife Debra, daughter Charlotte (Branson ’20), and son Will (Branson ‘22).

Lupe Gallegos-Diaz teaches graduate and undergraduate courses at the University of California, Berkeley and at San Francisco State University in Chicano/Latino Studies and the School of Social Work. Her areas of teaching include Chicano and Latino identities, mental health, Latinas and globalization, leadership empowerment, and fundraising. Throughout her academic pursuits, she has been committed to advising and advocating for issues that address educational and economic social justice, needs for Chicano Latino students, and communities of color. Lupe has served in various leadership advisory roles for a number of national and local organizations, including: National Advisor of the Mexican Government Education, Consejera Consultiva del Institute de los Mexicanos en Exterior (CCIME), Chair of the National Association for Chicana and Chicano Studies, and the Administrative Coordinator for the National Mujeres Activas en Letra Y Cambio Social (MALCS). In the Bay Area, Lupe has been a Commissioner of the Status of Women in San Mateo County, Treasurer of the Chicana Latina Foundation, Executive Director for the Chicano Latino Alumni Association, and the strategic director for the Center for Latino Policy Research. She was a commissioner for the Commission of Children, Youth and Recreation in the City of Berkeley and is currently the board chair to the Bay Area Hispanic Institute for Advancement, a child development center. Lupe has a Bachelor of Science in Sociology from Santa Clara University, a Master’s in Social Work from UC Berkeley, a certificate in Philosophy from the Ethnic Studies Ph.D Department at Berkeley, and a certificate of fundraising from the University of San Francisco. She and her husband Jose live in Berkeley and are the parents of Nashielli (Branson ’18).

Coreen Ruiz Hester is currently a member of Resource Group 175, a national and international recruitment group that specializes in head of school searches as well as governance and leadership training. She has also served on the Branson Board as well as other local boards in the past and currently sits on the board at French American International School and the Academy of International School Heads.

A life-long educator, Coreen began her career at University Liggett School in Grosse Pointe Michigan as a teacher of High School English. She served at Branson, 1977-1988, where she taught English and was subsequently appointed as Dean of Girls, Director of Studies, Associate Head, and finally Interim Head for the 1987-88 school year. Post-Branson, Coreen established the west-coast office of a national recruitment firm, Independent Educational Services, from 1991-1995. She then served as the High School Principal at The American School in London from 1995-97. Coreen was the Head of School at the Hamlin School in San Francisco from 1997-2007, and she just completed ten years as Head of School at The American School in London, 2007-2017.A native Californian, Coreen earned both undergraduate and graduate degrees from Stanford University with additional graduate work at Bread Loaf Graduate School of English and UC Berkeley. She has two children, both graduates of Branson, Tyler ‘02 and Molly ‘04.

Nancy Kami is the executive director of the Lisa and Douglas Goldman Fund, a private philanthropic foundation. Prior to joining the Fund in 1997, she served as assistant head and development director for The Hamlin School, an independent girls school in San Francisco. Nancy began her fundraising career at Brown University and later served as capital campaign director for KQED Public Broadcasting. She has also worked as a development consultant to Gateway High School in San Francisco and the Archer School for Girls in Los Angeles. Nancy currently serves on the Advisory Board of the Foundation Center, San Francisco and recently completed her tenure as Vice President of the Board of The Bentley School. She is a former trustee of the Foundation Center (national); Community Initiatives; Saint Luke's School; Gateway High School; Drew College Preparatory School; and the Bay Area Discovery Museum. She also served as Development Committee Chair for the National Association of Independent Schools.   Nancy holds an A.B. degree from Brown University and a Masters in Counseling Psychology. She and her husband William live in San Francisco and are the parents of Emma (Branson ’18).

Sloan Klein is a career and executive coach working with senior level professionals in investment management.  In addition to her private coaching business she also works with the Stanford Graduate School of Business coaching alumni in financial services.  Prior to coaching, Sloan was an executive recruiter in investment management for ten years and co-founded a search firm. She began her career in financial services in institutional sales at Lehman Brothers. When she graduated college, Sloan taught middle school in an inner-city school in Washington, DC.
Sloan is an Honorary Director and former Board Chair of Compass Family Services, a nonprofit devoted to breaking the cycle of family homelessness in San Francisco.  In this role she helped Compass partner with Twitter to build the NeighborhoodNest, a computer learning lab in the Tenderloin. Sloan also served as a Trustee for Marin Primary & Middle School for nine years.

Sloan holds a BA in English, Cum Laude, from Georgetown University and an MBA from Columbia University. Sloan and her husband Rob live in Mill Valley and are the parents of Sophie (Branson ’19) and Jamie (Branson ’22)

Yaz Krehbiel (John H. Krehbiel III) is a painter whose work could be described as Metaphysical Landscape. He almost always works outside from direct observation. In addition to his in-depth study of the rich and varied landscape of Northern California, he has painted extensively in Ireland and Italy. After graduating from Dartmouth in 1991 with a BA and BE at the Thayer School of Engineering in 1992, he studied painting and drawing at the Art Institute of Chicago, the California College of Arts and Crafts in Oakland, and the International School of Art in Montecastello di Vibio, Italy. Yaz began painting from the landscape in Italy. He received his MFA from Indiana University in May 2000, and taught Color Theory and Design there. After Indiana, Yaz returned to Montecastello to teach figure drawing and landscape painting. He also has taught landscape drawing at the School of the Art Institute of Chicago's summer Ox-Bow program in Saugatuk, Michigan.
For the last seven years, Yaz has served on the Board of Overseers of the Hood Museum at Dartmouth College. The board successfully led a major campaign to significantly expand the gallery, classroom, and public spaces of the museum. That expansion project is currently under construction. He also serves on the Board of Directors of the Sugar Bowl Corporation, California's oldest ski resort, and on the investment committee of his family office.

Yaz was born and raised in Lake Forest, Illinois, and lives in San Anselmo with his wife Kate and three children, Henry, Lily, and Hadley

Claudia Lewis has been a member of the board since 2015 and co-chaired the GGBTS Task Force, which explored the move to Strawberry.  She has great depth of experience in board leadership. After a distinguished career as a litigator and a pro bono lawyer for social justice causes--principally as a partner at the San Francisco firm of Farella Braun and Martell--Claudia became actively involved in nonprofit work. She founded and led Richmond Presidio Neighbors, which successfully resolved a dispute over the redevelopment of the Public Health Services Hospital in the Presidio. She also founded and is President of the Board for San Francisco Village, a nonprofit membership organization supporting older San Franciscans as they age.  She has served as President of the Board of the Community Learning Center at St. James, and of the San Francisco Women Lawyers' Alliance, and is currently a Trustee of Ring Mountain Day School. She previously served as Trustee of Groton School, where she was the first alumna of the school elected to that board.  She was on the Executive Committee of Yale Law School, and served as a Lawyer Representative to the Ninth Circuit Court of Appeals.

Claudia earned her BA from Yale University and her JD from Yale Law School. Claudia and her husband Woody Scal live in San Francisco and are the parents of Isabel (Branson ’18) and Dmitri.

Johnathan Logan, Jr. is Vice President for Community Engagement at the Marin Community Foundation (MCF). He joined MCF in early 2016 as Special Assistant to the President and moved into his current role soon thereafter. As Vice President for Community Engagement, Johnathan leads and manages a dynamic team responsible for Buck Family Fund grant distribution and the Foundation's social impact investing portfolio.

Before joining MCF, Johnathan worked in local government for 12 years both in Marin and Seattle, Washington. From 2005 to 2016, he was the General Manager of the Marin City Community Services District, Marin City's local government. As General Manager, Johnathan managed a variety of community services, was the district's representative in interagency affairs, and provided community leadership on a variety of public policy issues.

In Marin City, he successfully redeveloped the George "Rocky" Graham Park and played an integral role in founding the Marin City Health and Wellness Clinic. Before leaving, he oversaw the development of the proposed Marin City Community Center master plan for a multi-purpose community hub of learning, enrichment, and recreation and organized the Center's $24 million capital fundraising campaign to support that plan.

A Branson graduate, Johnathan has a Master of Public Administration from City University of New York, Baruch College, and a Bachelor of Science degree in Business Management from Oral Roberts University in Tulsa, OK. He is also a proud National Urban Fellow, a national network of public administrators working in urban communities across the country.

Harrison Miller is a Managing Director of Summit Partners, a growth equity investor in leading technology and healthcare companies globally.  Harrison co-heads Summit’s venture capital activities and served for years as a member of the firm’s Executive Committee. Harrison began his career as a teacher of English and History at Collegiate School in New York City, and a program officer at two nonprofits focused on microenterprise development in Africa and Asia. He was later part of the founding team at Lightspan, a curriculum and technology company that went public in 2000; and a member of the senior team at from 1998 to 2003, as that business expanded from an online bookstore to a global ecommerce platform. Harrison and his wife Clare McCamy live in Mill Valley with their four children: Grace (Branson ’15), Audrey (Branson ’17), Tess (Branson ‘19), and Leighton (Branson ‘22). Harrison holds an AB in religion, cum laude, from Princeton University and an MBA from Stanford Business School. He serves numerous nonprofit organizations in a board or advisory capacity, including Opportunity Fund,, and Mt. Tam United Methodist Church.

Hadley Mullin is a proud alumna of the Branson School, Class of ’92.  She began her career at Bain & Company, a global strategy consulting firm, where she worked in the Boston, San Francisco, and Sydney offices. Following Bain, Hadley joined the private equity firm TSG Consumer Partners, where she is Senior Managing Director and Partner. She originates new investment opportunities, structures transactions, oversees existing firm investments, and helps set the overall strategy of the firm. TSG Consumer has approximately $5 billion in equity capital under management. Hadley is active in the Stanford community as a regular guest lecturer and as Vice Chairman of the Stanford Business School Trust. She also serves on the CPMC Women’s Auxiliary Board and several for-profit boards.   Hadley received a BA in Government from Dartmouth College and an MBA from the Stanford Graduate School of Business, where she was an Arjay Miller Scholar. Hadley and her husband Dan Kalafatas live in Ross and are the proud parents of Avery, Drew, and Ellie.

Jani has taught at the middle school and high school levels in both public and independent schools in the Bay Area.  Her administrative experience began at Mount Tamalpais School, Mill Valley, and continued for nine years at the Branson School, where she was Associate Head, Acting Head and Director of Admission. Jani leads the College Counseling department of McClure, Mallory, Baron and Ross.  Her background in schools, especially high schools, and her understanding of the developmental stages of students help her demystify the college search process.  Jani conducts workshops for parents and counselors and participates in professional development sessions for the Western Association of College Admission Counseling (WACAC).  She sets time aside each year to visit college campuses.  An important part of her practice is advising families of college bound students who have learning disabilities and/or ADHD. Jani has volunteered as a WASC Visiting Committee Member and has done project work for the Buck Institute for Education, a subsidiary of the Buck Foundation.  She is a member of HECA, WACAC, IECA, and NACAC.  She has served on the Board of Marin Montessori School, Saint Mark’s School and currently serves on the Board of Bridge the Gap College Prep in Marin City, CA.

Jani Ross earned a BA from the University of Michigan and continued her graduate work at Mills College. She and her husband, Terry, live in Mill Valley where they raised their two children Dana Ross Rogers (Branson ’95) and Daniel (Branson ’97).  They have four grandchildren, Caroline and Fletcher Rogers, Emma Ross, and Hannah Ross. JAMES SCHURZ ‘80 James Schurz is partner at the law firm Morrison & Foerster.  He graduated from Branson in 1980. James started his career as a history teacher and soccer coach at San Francisco University High School.  Since 1999, he has served as an adjunct professor at the University of California San Francisco, Hastings College of the Law. James received his BA and MA degrees in history from Stanford University and his JD from the University of California, Berkeley.  He serves on the Board of Directors of the Legal Aid Society—Employment Law Center and Legal Services for Children. He and his wife Julie Ruskin have three children, Max (Branson ’11), Claire, and Caroline (Branson ’19). 

Nancy is an East Coast transplant who moved to San Francisco from New York City in 1996.  She began her fundraising and communications career at The Metropolitan Museum of Art and continued after moving West: first at The Asian Art Museum, where she served as Director of the $80 million campaign for the New Asian; and then at the San Francisco Conservatory of Music and The Exploratorium, where she had a pivotal role in raising $300 million to build a new facility at Piers 15 and 17.  She is currently Director of Development and Marketing for The Marine Mammal Center.
Nancy has volunteered for numerous Bay Area animal welfare organizations including PAWS (Pets are Wonderful Support), the Milo Foundation, and Pets Unlimited. 

A native of Ohio, she graduated with a BA in Humanities/Classics and Art History from Ohio Wesleyan University in 1985 and received an MA in Art History/Museum Studies from Case Western Reserve University in 1987. She lives in San Rafael with her husband Howard, her daughter Margaret Clare (Branson ’17), and their three rescue dogs.

David J. Shimmon is a recognized leader and brings over 20 years of experience to the manufacturing of semiconductors and LEDs.  Mr. Shimmon first became involved in the semiconductor industry in Silicon Valley in 1990 when he led a small regional concern into a leading global provider of high purity products and services.  Using design and technology, his companies have expanded into key markets in Asia and they have brought innovative products and solutions to meet the ever-changing global requirements to manufacture semiconductors and LEDs.  Mr. Shimmon maintains close contacts with leaders and innovators in technology as well as in government and education.  In recent years he has increased his involvement in policy issues related to trade, globalization and standards of key technologies.  He has also established an active presence in the community with a focus on arts and education.  He has served on the boards of the Silicon Valley Leadership Group, The Tech Museum of Innovation, and Junior Achievement, as well as Town School for Boys and the Fine Arts Museums both in San Francisco, among others.  He resides in San Francisco with his wife Mary Beth and their children Alison (Branson ’18) and David, Jr. (Branson ’20).

A marketing and communications specialist, Ally has served the educational and arts communities for many years.  Her early career in advertising included positions at multinational agencies in New York, Los Angeles, and Tokyo. Ally studied graphic design at Art Center College of Design in Pasadena and has offered independent strategic and creative marketing services to a wide range of clients. A former Parents’ Association President and Board of Trustees member at Marin Country Day School, Ally has served in various leadership roles in the Branson Parents’ Association. She is a founding member of the Bridge the Gap College Prep Advisory Council and has been an active supporter of Worldwide Orphans Foundation.  She is currently a member of the San Francisco Ballet Women’s Auxiliary and serves as a School Guide for SFMoMA.

Ally graduated from The Spence School in New York City, and earned a Bachelor’s Degree from Brandeis University, Magna cum laude. Ally and her husband Drew are proud parents of Evan ’17 and Alec  ’19.

Quoc Tran received his B.A. degree with high honors in Rhetoric from Bates College and his MBA in Finance and Competitive  Strategy at the University of Chicago where he was also a Business Fellow., Quoc has been the Chief Investment Officer, Domestic Equity and Managing Partner  with Lateef since 2005 and led a management buyout of the firm in 2017.  Quoc has over 20 years of investment management experience. Prior to Lateef, he worked at Wallace R. Weitz & Co. and held various positions in portfolio management and research. Quoc spent five years at Goldman Sachs and Co. and left the company as Vice President and Director in the Equities Division.  He is a member of the Board of Trustees of Bates College and serves on various committees, including  the Bates College Investment Committee. In addition, Quoc serves on the Investment Committee Board of the Marin Community Foundation.
Quoc and his wife Denise reside in Kentfield with their daughters Ciara (Branson ‘21) and Fiona (Branson ‘23).

Constance Treadwell grew up in Ross and is a second generation graduate of Branson and also a second generation Trustee.

Connie founded her practice C A Treadwell Architecture in 1994 focusing primarily on residential projects. Prior to starting her practice she worked in critically acclaimed offices in New York and San Francisco with stints in Paris and Zurich. She taught at CCAC (now California College of the Arts) for six years becoming an adjunct professor, and was a lecturer at UC Berkeley teaching and critiquing undergraduate architectural design studios. Her work has been published in various national and regional publications. She received a BA in Architecture from Yale University and an MArch from Columbia University, where she was awarded a William Kinne Fellows Traveling Fellowship.

An active member of the local community, Connie has served on boards and committees such as the Ross Valley Nursery School Board; Marin Country Day School Master Planning Committee, Building and Grounds Committee, and Arts Advisory Council; and Lagunitas Club Board.

Connie and her husband Eliot Lippman live in San Rafael with their daughters Lillie Lippman (Branson ’20) and Julia Lippman (Branson ‘22).

Gregory Tusher is the Founder and Managing Partner of Greenstone Partners, a private investment partnership based in Marin.  Founded in 2005, Greenstone Partners employs a value-biased philosophy, limiting the allocation of capital to a select number of high-conviction investment opportunities with a long-term time horizon.  Greenstone targets great businesses characterized by durable competitive advantages, attractive economics and first-class management teams.
 Prior to Greenstone Partners, he worked as a Principal at JGE Capital and in the private equity and investment banking divisions at Morgan Stanley.  A Branson graduate, he holds a B.A. in Economics and Political Science and an M.B.A. from Stanford University.  He previously served on the Stanford University Athletic Board and the Stanford University Libraries and Academic Information Resources Advisory Council.

Gregory and his wife Virginia live in Belvedere and are the parents of Luke (Branson ’22), Logan and Lucy.

2019-20 Representatives to the Board

SYLVIA HARRIS CAHILL ’05 – Alumni Council President
Sylvia is a Marin County native and proud alumna of the Branson School, Class of ’05. A licensed real estate professional, Sylvia began her career with a boutique brokerage specializing in the management and marketing of bank-owned properties throughout the Bay Area. Cultivating her transactional skills in a demanding environment, she mastered the deal-making process and developed a keen eye for design. From valuation to supervising renovation to property presentation, Sylvia has demonstrated an enduring commitment to maximizing value for her clients. She and her business partners are one of the top-producing teams at Vanguard Properties.
She volunteers at the Golden Gate Park Senior Center, a recreation center dedicated to providing seniors with programs that help them to improve and maintain their physical, intellectual, and social well-being.
Sylvia graduated from UCLA with degrees in World Arts and Cultures, Global Studies and Italian Language and Literature. She resides in San Francisco with her husband Billy Cahill (Branson ’04).

ERIC OLDMIXON – Faculty Representative
Eric Oldmixon has served many roles in his eighteen years at Branson. In addition to his primary work as an art teacher and Arts Department Chair, he has also served as Faculty Representative to the Honor Council and Environmental Action Club leader.  Additionally, Eric’s passion and curiosity for innovative development in education led him to participate and chair many educator sub-committees including PEDAL projects, the creation of the Garage project learning space, Learning Management System selection, and multiple Strategic Planning and Facilities expansion committees. 

Eric continues to develop his creative practice focused on environmental curiosities and concerns, including work in traditional drawing and print media, digital media and wood-based sculpture. 

Eric holds an MFA from Columbia University.  He lives in Inverness with his wife Sarah and daughters Olivia (Branson ’19) and Ginger.  Eric serves as Secretary of the Board for Community Land Trust of West Marin; he and his wife Sarah are passionate supporters for affordable housing.

KRISTIN KEEFFE – Parents’ Association President
Kristin Keeffe hails from the East Coast. She grew up primarily outside of Washington, DC and attended Princeton University where she studied public policy with a focus on education. Between college and graduate school, Kristin spent a year in San Francisco and fell in love with the Bay Area. After graduating from Georgetown University Law Center in 1997 and completing a federal clerkship, Kristin returned to the Bay Area and has called the West Coast home every since.

Kristin practiced corporate and securities law at Wilson Sonsini Goodrich & Rosati for several years in both their Palo Alto and Seattle offices before landing in Marin where she transitioned to working directly with founders and start-ups.  She served on the Mark Day School Board of Trustees for eight years and is honored to serve as the Branson Parents’ Association Chair for the 2019-2020 school year. Kristin and her husband, Brian, live in Novato with their three children, Miles (Branson ‘21), Ellis (Branson ‘22) and Finley.