Josef Ruef is an entrepreneur and executive with 20 years of experience developing and growing businesses. Currently, Mr. Ruef is Founding Partner of September Capital, an investment and consulting firm that assists early stage technology companies. Previously Mr, Ruef was Co-Founder and CEO of Verical Inc., an online marketplace for electronic components that was acquired by Arrow Electronics (NYSE:ARW). Mr. Ruef is also a graduate of the University of California at Berkeley, 1993, where he earned a B.A. in English and played football for the Golden Bears. Mr. Ruef serves as President and Executive Director of the Big C Society®.
Min Ta is Treasurer of The Big C Society® and sits on its Executive Committee and is its Liaison to the Field Hockey Team. Ms. Ta graduated from Cal in 1994 with a B.S. in Business Administration from the Walter A. Haas School of Business and was honored with the Anna Espenschade Award for Athletic and Academic Achievement as a graduating senior. Ms. Ta was a four-year letter winner in Field Hockey and earned All-Nor Pac Conference and Regional All-American honors her senior year. Ms. Ta has over 20 years of experience in financial management and holds a Chartered Financial Analyst designation and a Master of Corporate Real Estate. Ms. Ta now works at Visa overseeing Real Estate Analytics, Corporate Events, and Global Travel.
Sarah Schwartz is a Director and the corporate Secretary of The Big C Society® and serves on its Executive Committee. Sarah is also co-Liaison to Women’s Rowing. Ms. Schwartz lettered four years in rowing from 2012 to 2016, and was a member of the 2016 NCAA National Champion 2V8+ and Team. She graduated from Cal in 2016 with a B.A. in Political Economy. After graduating from Cal, Sarah began working for ABD Financial Services, Inc. in addition to co-founding Oakland Athletic Rowing Society (OARS), a youth rowing club in Oakland on a mission to create the next generation of leaders.
Chris Carpenter serves as the Executive Director Emeritus of The Big C Society® . Carpenter earned his first varsity letter in 1962 and became a three-year starter on the Golden Bear basketball team. After graduation, Carpenter stayed in Berkeley to earn his JD degree at Boalt Hall School of Law. Following a short stint working in Hawaii, Chris returned to the East Bay and began a 35-year career as a prosecutor with the Alameda County District Attorney’s Office. For the final 10 years, he was in charge of the office's Consumer and Environmental Protection Division. Since retiring in 2007 Chris has devoted his time to The Big C Society®, and has been the Executive Director since July 2015. Previously, Carpenter was President of The Big C Society® from 2009 to 2010.
Clif Mayne, Jr. was Treasurer for The Big C Society® through the end of 2018, and serves on its Board of Directors and Executive Committee . Mayne played Tennis for the Golden Bears.
Director and Executive Committee Member of the Big C Society®
Executive Committee Member and Liaison to the Athletic Department. Maurita Toler is currently a development officer for the Cal Athletics Fund; serving as a liaison between the fundraising arm and programs including track & field, gymnastics, and The Big C Society®. Ms. Toler works closely with coaches, donors, alumni and current student-athletes to gain support for the various programs. Ms. Toler ran for the Cal track & field team and graduated from UC Berkeley in 2011 with a B.A. in Sociology. In 2016 she earned her M.A. in Sport Management from the University of San Francisco.
Kyson Bunthuwong is a Director of the Big C Society® and liaison to the Men's Gymnastics. Kyson is also the chairman of the Revenue Committee. Mr. Bunthuwong graduated from Cal in 2009 with a B.A. in International Political Economy. Representing Cal's student-athletes, he was chosen as a delegate for the 2009 NCAA National Student-Athlete Leadership Conference. He earned multiple All-American and All-MPSF Academic honors throughout his tenure and served as co-captain. Mr. Bunthuwong was honored as a Nissen-Emery Award Finalist and with the Pac-10 "Living the Dream Leadership Award". Since then, he's worked in the nonprofit sector across various national and international causes, including co-founding a nonprofit social venture in Malawi. Currently, Mr. Bunthuwong is the board of various local Bay Area organizations and is an Executive Director at CCS Fundraising, a strategic consulting firm that partners with non-profit organizations on transformative fundraising campaigns.
Vanessa serves as Director and Co-Liaison to Women’s Rowing. She is also the Chair of the Student-Athlete and Young Alumni committee and is a member of the Executive Committee of The Big C Society.