Chair of the Delta Stewardship Council. Previously, he served as a Sacramento City Council member from 1971-1974, Mayor of Sacramento from 1975-1982 and as a member of the California State Assembly representing portions of Sacramento, Contra Costa and San Joaquin Counties from 1982 to 1996. His state legislative district contained major parts of the Sacramento-San Joaquin Delta. His subject area focus as an elected official included land use planning, water and resource issues, state budget and fiscal matters, redevelopment reform and healthcare issues.
Isenberg holds a Doctor of Jurisprudence from the University of California, Berkeley Boalt Hall School of Law and a Bachelor of Art in Social Science and Government from California State University, Sacramento. He was in private practice and also served as President of Isenberg-O’Haren Government Relations from 2004 to February 2010. He is currently an inactive member of the California State Bar.
Isenberg served as chair of the California Marine Life Protection Act Blue Ribbon Task Force from 2004 to 2006 and served as chairman of the Delta Vision Blue Ribbon Task Force from 2007 to 2008. The recommendations of the Delta Vision Task Force provided much of the structure of the major water/Delta policy changes adopted by the legislature in 2009 and signed into law by Governor Schwarzenegger.
He was appointed by Governor Schwarzenegger to a six year term on the Delta Stewardship Council, and elected Chair of the Council by his colleagues.