Mark Percy

Regional Philanthropy Advisor, Excellence in Giving

For the past decade, Mark has served as a philanthropic advisor to individuals and families making significant investments to positively impact education, health care, and other areas of common purpose. 

He is the (California) Regional Philanthropy Advisor for Excellence in Giving (, one of the leading full-service philanthropic advisory firms in the U.S.  Mark also is the Vice President, Strategic Relations for KNET, a consortium enterprise that serves as the family office for the Kay family in Orange County, CA., and is a Board member of the Marvin Buzz Oates Charitable Foundation in Sacramento. 

Mark Chairs the Workforce Development Committee of the OC STEM Initiative, a coalition of leading foundations spearheading STEM (science, technology, engineering and mathematics) literacy in OC.  He is the Chairman and one of the co-founders of OC Advisors in Philanthropy ( as well.  

Mark received his BA from Stanford University, MBA from Yale University, and is a Chartered Advisor in Philanthropy (CAP®).  He and his wife, Leslee, live in Aliso Viejo and they have two married children and two grandchildren.