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Commissioner Biographies


Commissioner Chung was managing director at KPMG Consulting and BearingPoint Inc. from 2001 to 2009. He held multiple positions at the Chevron Corporation from 1979 to 2001, including principal consultant, general manager, business development manager, area business development manager and technology research and development manager. Commissioner Chung formerly served as chairperson of Friends of China Camp, which operates China Camp State Park, and was a board member of the Marin State Parks Association, which operates Olompali State Historic Park and Tomales Bay State Park. He earned a doctorate degree and Master of Science degree in chemical engineering from the California Institute of Technology and a Master of Business Administration degree from the University of California, Los Angeles.


Commissioner Randle retired from IBM after 25 years in marketing. He served on the San Dimas Parks and Recreation Commission for 4 years, his last year as president of the commission. Randle was chapter chair of the Tri-Counties Black American Political Association in California from 2003-2007. From 1998-2001 Randle worked for the U.S. Census Bureau as a Government Partnership Specialists where worked with Federal, State and Local Officials to partner with the Census Bureau to ensure a complete and accurate count of California's population. He returned to the Bureau of the Census in 2008 and has since served as a Partnership Coordinator, responsible for creating partnerships with community based organizations, federal, state, & local officials, businesses, community activists, and involved citizens to help educate the public about the benefits an accurate count brings to the State of California. In 2000 Randle received the Inland Valley Newspaper's Man of the Year award for community service in the San Gabriel Valley, and in 2002 he received the Prestigious Ron Brown Business Service Award from the Los Angeles Urban League. In 2004, Randle received the San Gabriel Valley NAACP Citizen of the Year Award for political and community service. Randle is also founder and CEO of the Small Business Development Group, where he worked on political campaigns from 1992 to 2008.


Commissioner Solis Coronel has held multiple positions at REI since 2008, including program partnership manager and community relations administrator. Prior to joining REI, she worked at KPBS (the local PBS and NPR affiliate) for seven years where she managed special events, developed and implemented media and outreach campaigns. During her tenure at KPBS, Solis Coronel helped launch V-me’s, the Spanish language public television network, outreach initiative nationwide.

Solis Coronel is also committed to the community where she works and plays. She is a board member for I Love a Clean San Diego, member of MANA de San Diego and co-creator of the Latina Giving Circle. Solis Coronel was a member of Los Aztecas (San Diego State University) committee member from 2011-2013, The San Diego Foundation- Environment Working Group, 2010 HOPE Leadership Institute graduate and 2007 LEAD San Diego graduate.

Solis Coronel holds a BA in Communications from San Diego State University.


Commissioner Wittenberg served as executive director of the California Plug-in Electric Vehicle Collaborative from 2010 to 2012. She was executive director at The Climate Registry from 2007 to 2010 and president of the California Climate Action Registry from 2001 to 2006. She held multiple positions at Edison International from 1985 to 2000, including vice president of corporate communications, president of Edison EV (Electric Vehicle), president of the Edison Utility Alliances, and Vice President of corporate communications at Southern California Edison and Edison International. She currently serves on the Board of Directors of the Partners in Care Foundation.

ELVA YANEZ, Los Angeles

Commissioner Yanez has been president of Colibri Strategies since 2009, which provides consulting services to nonprofit organizations, government agencies and foundations in public policy, land conservation, urban parks and open space, public health, land use, and the built environment. Yanez also serves on the board of directors for the Prevention Institute.