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Board of Trustees

The school is governed by a Board of Trustees (25 members) who steward the school's long term health, hire and support the Head of School, and attend key strategic initiatives in finance and fundraising.

Seth Brenzel  Michael Feldman (Co-Clerk) Sam Mogannam
Shabnam Koirala-Azad (Co-Clerk) Rebecca Foster Mark Selcow
Will Aldrich Betsy Hambrecht Cynthia So Schroeder
Amy Baker (Secretary) Dan Hirsch Anne Stanton
Charles Bello Edgar Lopez Chris Valdez
Ed Chung Kathryn Ma Clarke Weatherspoon
Greg Dalton Maureen McAvoy (Treasurer) Sarah Wigglesworth
Michele Dilworth   Kelly McKane Clint Wilkins

Will Aldrich has been building Internet businesses in the San Francisco Bay Area for 20 years. He is Director of Product for YouTube Red, and ran product for Smule, SurveyMonkey, TripIt, parts of Yahoo!, and CNET before that. Will has co-clerked the SFFS Annual Fund twice. Will is also co-chair of McLaren Bike Park Founders, and loves exploring the outdoors on bike and on foot with family and friends. He received a BA from Georgetown University’s School of Foreign Service. Originally from Upstate New York, Will lives in the Mission District with his wife Jen and their kids Nick (SFFS Class of 2020) and Eliza (SFFS Class of 2023).

Amy Baker's (Secretary) professional home is in training and development for the technology sector, specializing in learning paths for the pre-sales engineer. Her passion for being where the learning happens has served enterprise software companies such as Guidewire, Riverbed, Cloudmark, and Critical Path. Amy’s spiritual home is in the Quaker faith, having become a member of the San Francisco Friends Meeting in the late '90s. Within the Quaker community she was an early advocate of SFFS, and served on the Quaker Life Committee, both as a San Francisco Friends Meeting member and as an SFFS parent, before stepping into her current role of co-clerk. Amy’s regional home was originally New England, where she earned a BA in English at Dartmouth and later an MBA from Dartmouth’s Tuck School of Business. Now she and her husband Skip Pile live in San Francisco with their daughter Molly (SFFS class of 2021).

Charles Bello is vice president and team director at ConferenceDirect, a Los Angeles based meeting solutions company. Charles has over 20 years of industry experience in multiple market segments, including corporate, association, religious, and nonprofit associations. Charles is knowledgeable in site selection and contract negotiations for all types of events, from senior-level board meetings to city-wide conventions with over 25,000 attendees. Charles was recognized as Rookie of the Year for his performance during his first year as a ConferenceDirect associate, and was most recently recognized as one of ConferenceDirect's Top 25 Performers. Prior to joining ConferenceDirect, Charles held various leadership positions with IHG, Hilton, and Renaissance Hotels. During his on-property hotel career, Charles spent eight years with IHG in San Francisco, first working at the InterContinental Mark Hopkins and then successfully opening the InterContinental San Francisco. He led the group sales team efforts in the position of area director of sales for the InterContinental Hotels of San Francisco. As a leader in his industry, Charles currently serves on the Board for the Northern California Chapter of Green Meetings Industry Council and is a past member of Meeting Professionals International (MPI) and Professional Convention Management Association (PCMA). A Boston native and graduate of the University of New Hampshire, Charles relocated to San Francisco in 2000. He resides in the city with his partner, Robert, their son, Jack (SFFS Class of 2025), and their rescue puppy, Ripley.

Seth Brenzel serves as the executive director of The Walden School, a summer school, camp, and festival for creative musicians of all ages. He has served on the boards of Swarthmore College, Earplay, and The Walden School. He is a past president of the Swarthmore College Alumni Association, and has served on the Development Council for the Haas School of Business. Prior to his work for The Walden School, Seth held positions as a senior consultant at Deloitte Consulting, and as both director of marketing and director of sales for Atomz (now part of Adobe). Since 1995, he has sung tenor with the San Francisco Symphony Chorus, and is currently a professional member of that Grammy Award-winning ensemble. Seth received a BA, with degrees in Music and Political Science, from Swarthmore College, and an MBA from the Haas School of Business, University of California, Berkeley. He is a 2012 graduate of Leadership San Francisco, for which he also serves as an alumni advisor. A Bay Area native raised in Sacramento, Seth currently lives in Bernal Heights with his partner, Malcolm Gaines, and their daughter, Cora.

Ed Chung is the co-founder/portfolio manager of View Ridge Capital Management, an investment management firm focused on investing in publicly traded securities. Prior to founding View Ridge, Ed was a managing director at Farallon Capital Management, and also worked in private equity and investment banking. Ed co-founded Help Children with Epilepsy, a nonprofit organization dedicated to helping children and families suffering from pediatric epilepsy. Ed was born in St. Paul, MN, and also lived in Ohio and Korea. Ed graduated from the University of Michigan and earned his MBA from Stanford University. He lives in Noe Valley with his wife, Eugine, and their children, Minjae and Minyoung, both SFFS Class of 2023.

Greg Dalton started his media career managing the high school radio station at Stevenson School in Pebble Beach, where he grew up. He later worked as a journalist in China, Canada, and the United States for the Associated Press, McNeil-Lehrer NewsHour, and other news organizations. After going on a 2007 global warming expedition in the Arctic aboard a Russian icebreaker, he founded Climate One as a project of The Commonwealth Club. Today he is executive producer and host of Climate One’s radio and TV shows, which raise awareness about the urgency of the climate challenge and the availability of cost-effective solutions. Prior to founding Climate One, Greg served six years as COO of The Commonwealth Club. He holds a Master’s degree in International Affairs from Columbia University and a Bachelor’s in Politics from Occidental College. Greg and his wife Lucia Choi are parents of Kai (SFFS Class of 2014) and Claire (SFFS Class of 2018).

Michele Dilworth has over 20 years of experience raising brand profiles, building teams, and contributing to the success of both private and nonprofit organizations. Michele began her career in high tech product development and marketing before transitioning to the nonprofit sector, where she has worked in the arts, social services, global affairs, and philanthropy. She currently serves as the director of the Foundation Center’s West Coast regional office. Born and raised in the Washington, DC, metropolitan area, Michele is a graduate of the University of Virginia. She lives in San Francisco with her husband, Ed, and their three sons: Patrick (Stuart Hall High School Class of 2017), Edmond (SFFS Class of 2015), and Lacey (SFFS Class of 2019).

Michael Feldman (Co-Clerk) is a co-founder and partner of PSAI Realty Partners, a firm specializing in the investment in value-add office properties in the San Francisco Bay Area. Prior to PSAI, Michael was a partner at M&H Realty Partners (now Merlone Geier Management), a firm specializing in the investment in value-add retail properties. Before M&H, Michael was an analyst at the Yale Investments Office. Michael serves on the Board of Directors of the Slifka Center for Jewish Life at Yale (Hillel), and served on the Board of Directors of the Urban School from 2004–2010 and on the Board of Directors of Jewish Community Federation of San Francisco from 2004–2014. Michael was raised in Cleveland, OH, and is a 1991 graduate of Yale University. He and his wife, Christine Glastonbury, live in San Francisco with their two children, Felix (SFFS Class of 2018) and Elinor (SFFS Class of 2022).

Rebecca Foster is the executive director of the San Francisco Housing Accelerator Fund, a nonprofit fund focused on capital solutions to produce and preserve affordable housing. Prior to leading the Housing Accelerator Fund, Rebecca worked on public private partnerships in Mayor Lee's office, focusing on issues ranging from family homelessness to citywide broadband. Rebecca spent eight years in public sector and infrastructure investment banking at Goldman Sachs in New York and San Francisco, raising capital for governments, universities, and utilities. She received her BA from Brown University and her MBA from the Stanford Graduate School of Business. Rebecca is a board member of the Mission Preparatory School and ARTA, a whitewater rafting organization. She lives in the Castro with her husband, Doug, and three boys: Rowan (SFFS class of 2024), Henry (SFFS class of 2026), and Mattias.

Betsy Hambrecht is CFO of web publisher Salon Media Group and a partner at WR Hambrecht + Co, a boutique investment bank focused on growth companies, with responsibilities for WRH+Co's venture portfolios. Betsy has been at Salon Media Group in various capacities for the past 10 years, including CEO, CFO, and director. Before joining Salon, Betsy lived in Asia, where she founded several start-up companies, and worked as an equities analyst covering emerging markets at Goldman Sachs (Hong Kong) and at Baring Securities. Betsy has served on the board of trustees of the Asian Art Museum of SF and KQED, and was a founding board member at the SF Friends School. She graduated with a BA from Vassar College and studied Mandarin at the Taipei Language Institute. She and her husband, Robert Eu, are parents of Courtney (SFFS Class of 2011), Rachel (SFFS Class of 2011), and Jamie (SFFS Class of 2018).

Dan Hirsch was a managing member at Farallon Capital Management through 2016. He serves on the board of Horizons at San Francisco Friends School and on the board of The Mission Preparatory School, a public charter K–8 school located in San Francisco’s Excelsior neighborhood. Dan grew up in Washington, DC, and is a graduate of Sidwell Friends School. He has a BA from Amherst College and a JD from Yale Law School. Dan lives in San Francisco with his wife, Sue, and their daughter, Claire (SFFS Class of 2022). 

Shabnam Koirala-Azad (Co-Clerk) is dean of the School of Education at the University of San Francisco and Professor of International and Multicultural Education. She is co-founder of the first graduate program in Human Rights Education in the United States. For several years, she served as the co-chair of USF's Council on Diversity and Inclusion. Shabnam earned a doctoral degree in Social and Cultural Studies in Education from UC Berkeley and a BA from Mount Holyoke College in Western Massachusetts. Shabnam, husband Badi, daughter Alia (SFFS Class of 2020), and son Ayan (SFFS Class of 2024), are actively involved in the Baha'i faith community and inspired by its vision to promote unity.  

Edgar Lopez is the city architect and deputy director for San Francisco’s Public Works Department. He leads the Building Design and Construction group responsible for delivering a wide range of capital projects and programs totaling over $4 billion. Edgar has earned industry recognition for his successful management of several high-profile public-private partnership projects. He structured and managed the innovative public-private partnership for the $488 million California Academy of Sciences. His other PPP projects include the $25 million seismic upgrade and rehabilitation of the Conservatory of Flowers, the $55 million in tenant improvements at Moscone Convention Center, and the $525 million Moscone expansion project. His more than 25 years of experience with Public Works also includes serving as project architect and project manager on a some of the city’s most significant buildings, including the 13-story LEED Platinum, $190 million Public Utilities headquarters; the renovation of San Francisco City Hall; and the city’s Forensic Laboratory, among other projects. Edgar has served on several boards, including the American Institute of Architects – San Francisco Chapter, the American Institute of Architects California Council, and the San Francisco Parks Trust. He is also a member of the Land Economic Society Golden Gate Chapter. Edgar is a San Francisco resident living with his wife and two sons, Benji (SFFS Class of 2023) and Alex, in Duboce Triangle.

Kathryn Ma is a writer and lawyer. She grew up in West Chester, PA, where her family belonged for many years to the High Street Meeting and went to Quaker family camp in Cape May, NJ. Inspired by her parents' Quaker service and by her brother's commitment to Sidwell Friends School, where he served as a trustee, Kathryn joined with a group of entrepreneurs, parents, and educators to establish the San Francisco Friends School in 2001. She served as the founding board clerk for six years and returned to board service in 2014. She is a graduate of Stanford University and the University of California, Berkeley. Her books include a short story collection, All That Work and Still No Boys, winner of the Iowa Short Fiction Award, and the novel The Year She Left Us, published by Harper Books. She is a member of the Emeritus Board of Directors of the Oregon Shakespeare Festival in Ashland, OR, and has served on various arts and education boards. She and her husband have three daughters.

Maureen McAvoy (Treasurer) currently runs Learning and Development for the West Coast offices of the Boston Consulting Group, where she leads training program development and does leadership coaching. Prior to that, she spent over 15 years focused on strategy development and business management as a consultant at BCG, as an executive at Charles Schwab, and as a co-founder of SchoolPages. As a parent at Friends, Maureen has been an active volunteer, serving as co-clerk of the Parent Association, the Blue Party, and the Finance Committee, in addition to other roles. Maureen is a native of the Midwest and received her MBA from the University of Chicago.  Maureen and her husband, Brian Elliott, have two boys who have both attended SFFS: Connor (SFFS Class of 2014) and Riley (SFFS Class of 2016).  

Kelly McKane was raised in Denver, CO, and received her BS in Communication Studies from Northwestern University. Kelly worked in development for several nonprofit organizations in Chicago and Washington, DC, including Hubbard Street Dance Chicago, WTTW (Chicago’s public television station), and NPR. Since moving to San Francisco, Kelly has been an active volunteer with a variety of Bay Area cultural, community, and educational organizations. She currently serves on the board of Horizons at SFFS. Kelly and her husband Mark live in San Francisco with their three sons: Michael (SFFS Class of 2017), Luke (SFFS Class of 2019), and Matthew (SFFS Class of 2021).

Sam Mogannam is the second-generation owner of Bi-Rite Market, and founder of the Bi-Rite Family of Businesses. Sam co-founded and is on the board of 18 Reasons, a nonprofit community food education space committed to empowering his community with the confidence and creativity needed to buy, cook, and eat good food every day. He stepped into the family grocery business in 1997, after working as a chef at his own restaurant, and transformed the market into a culinary landmark that employs over 300 people. Bi-Rite has developed an extensive community outreach program, with two full-time staff members, focusing on work with organizations based in San Francisco with initiatives that directly help populations in need, impacting and benefitting San Franciscans. Bi-Rite’s giving and volunteerism focuses on organizations addressing youth and education; the city’s disadvantaged populations; the arts; sustainable agriculture; and supporting a good, fair, and just food system for all. Sam is the co-author of Eat Good Food: A Grocer’s Guide to Shopping, Cooking, and Creating Community Through Food (Ten Speed Press, 2011). He is on the founding board of the Specialty Food Foundation, formed in 2014, whose mission is to give needed funds to organizations around the country fighting hunger and enabling food recovery. Sam is also on the advisory board of the Seedling Projects, a nonprofit that produces the Good Food Awards, which honors American craft food producers around the country that make food that is responsible, authentic, and delicious. Sam is a native San Franciscan and is proud to be raising two more, daughters Zoe (SFFS Class of 2017) and Olive (SFFS Class of 2021).

Cynthia So Schroeder is a global community and social marketing executive who advises companies and organizations on building engaged communities. She has worked in management consulting and technology in the US, Asia, and Europe for over 20 years, ranging from Fortune 500 clients to internet startups. Most recently, she served as the head of global operations, marketing, and community at Properly Inc. Previously, she led eBay’s Global Community Development and Engagement group, and managed corporate acquisitions and divestments for eBay Inc. Cynthia is passionate about educational opportunity, especially for first-generation students, and is an active alumni leader with the University of California. Currently, she serves on Board of Regents for the University of California, and is the president of the Alumni Associations of the University of California (AAUC) for all UC campuses, representing 1.8 million alumni worldwide. Cynthia is the past president of the Cal Alumni Association at UC Berkeley, where she has served on CAA's Board of Directors since 2009 and continues to serve as a trustee with UC Berkeley Foundation. She served on the Board of Trustees of the Presidio Knolls School from 2011–2013. Cynthia received a BA from the University of California, Berkeley, and an MA from UCLA. As a San Francisco native, Cynthia loves learning and living in the city with her husband Marc and their son Christoph (SFFS Class of 2022).

Mark Selcow is general partner at Costanoa Ventures, an early-stage tech VC firm. He has spent the past 20 years in the software industry, and served as CEO of Quizlet, president at BabyCenter, and president at Merced Systems. Mark spent 10 years as a trustee of the March of Dimes Foundation and was chair of the California Chapter of the organization. Mark’s hometown is West Hartford, CT, but he has lived in San Francisco since 1987. He’s an alumni of Brown (BA) and Stanford (MBA). Mark lives in San Francisco, with his wife, Lisa Acree, and his children Lucy (SFFS Class of 2019), Andrew (SFFS Class of 2021), and Nora (SFFS Class of 2023). In his free time, Mark is a drummer currently playing in two bands.

Anne Stanton is president of the Linked Learning Alliance, a statewide coalition of education, industry, and community organizations dedicated to improving California's high schools and preparing students for success in college, career, and life. Prior to her current role, Anne served as the director of the James Irvine Foundation’s Youth Program for 11 years, leading strategic philanthropic efforts to improve educational and career outcomes for low-income youth in California. Anne's passion for equity and social justice was fueled by her work focused on creating opportunities and alternatives for homeless and runaway youth, first at Covenant House in New York City, and then for a decade as executive director of Larkin Street Youth Services in San Francisco. She holds a Bachelor of Fine Arts and a Master’s degree in Social Work from New York University. Anne grew up in Brooklyn and attended Brooklyn Friends School; she and her husband, Rik Malone (Sidwell Friends ‘74), are thrilled to continue their families’ Quaker education tradition through their daughter Stella (SFFS Class of 2017).

Chris Valdez is a Bay Area native who has worked in education for over 20 years. His career started in Madrid, Spain, where he and his wife Kathleen taught English for two years before settling back in San Francisco. Since then, Chris has worked at many levels of high school administration, most recently serving as principal of Marin Catholic in Kentfield since 2009. He holds a BA in English from UC Santa Barbara, a Secondary Teaching Credential from San Francisco State University, and a Master’s in Educational Leadership from the University of San Francisco. Chris considers his son Jesse (SFFS Class of 2012) and daughter Georgia (SFFS Class of 2014) two more San Francisco Friends School success stories. 

Clarke Weatherspoon currently serves as the dean of equity and inclusion at the Urban School of San Francisco, where he teaches Identity and Ethnic Studies and Junior Service Learning. At Urban, he directs the Multi-Culti Team, a group of 29 student-leaders, and partners with other administrators to mentor students and teachers on how to make the school more inclusive and enjoyable. In 2017, Clarke earned The Hero Award from A Better Chance for his youth empowerment and advocacy work. Clarke previously taught on the faculty of Marin Academy and Sacred Heart Preparatory School in Atherton. He holds a Master’s degree in Education from Teachers College at Columbia University and dual bachelor’s degrees from the University of California at Santa Barbara in History and Black Studies. He is also a graduate of Phillips Exeter Academy. A nationally recognized youth water polo coach, Clarke has worked at three major USA water polo clubs in the last 19 years. He is currently the Age Group Program director at the Stanford Water Polo Club, where he mentors coaches and guides the training for 80 youth athletes. Clarke has twice worked for the USA Men's Water Polo National Team and won the Ted Newland Distinguished Coaching Award in 2014. His teams have won numerous state and national titles. He has been a certified yoga and meditation instructor since 2008, and has taught in a broad range of settings from The Ohio State University to the San Francisco County Jail. He is a native of Exeter, NH, and lives in San Francisco with his wife, Joanna Ro.

Sarah Wigglesworth was born and mostly raised in Kansas.  She worked for 10 years as a management consultant in New York, with a focus on strategy and organizational performance, after starting her career in diplomacy and IT business development in Central Europe. Since moving to the Bay Area, Sarah has become deeply involved with Full Circle Fund, a local philanthropic network of active volunteers, where she co-founded the Global Economic Opportunity Circle in 2008 and has served on the Board since 2011. She is also a member of the Board of La Cocina, a food-business incubator in San Francisco, and a partner with Acumen Fund, a New York nonprofit that invests in social enterprises around the world. Sarah holds an AB in Soviet Studies from Harvard/Radcliffe Colleges, and an MIA in International Business from SIPA at Columbia University. She enjoys travel, books, maps, food, and being outdoors, and lives in San Francisco with her husband, Asiff Hirji, and two sons, Alexander (SFFS Class of 2018) and Daniel (SFFS Class of 2020).

Clint Wilkins, an educator and social entrepreneur, has a long and distinguished career in nearly all areas of schooling, in both independent schools and public education. Early in his career he was as a teacher, coach, college counselor, dean of students, principal, and assistant headmaster at Sidwell Friends School in Washington, DC. After serving as chief executive officer of two outstanding independent schools on both coasts—Moorestown Friends School in New Jersey and The College Preparatory School in Oakland—he was able to realize his lifelong dream of founding a school: Sage Hill School, the first nondenominational, independent high school in Orange County, California. Sage Hill is thriving, and now educates 450 students and enjoys a national reputation. Clint has taken time throughout his career to reflect on his practice and to develop an ever-widening set of interests. In the mid-'90s, he was a visiting scholar at Stanford University School of Education, where he researched the then-fledgling charter school movement. For three years, he was a nonresident associate with the Skoll Centre for Social Entrepreneurship at the Said Business School, University of Oxford, where he pursued his interest in social entrepreneurship and civic engagement for older Americans. Currently he is starting a new initiative, “enCourage,” which develops programs for schools and nonprofit organizations in the field of social and emotional learning. Clint received his BA in History from Williams College, Master's in Religion from Harvard University, and his secondary school teaching credentials at Princeton University. He is married to Carla Woscoboinik Wilkins, a Chilean, and has three grown children.