Valley Executive Insights

Todd A. Stevens

Todd A. Stevens is President, Chief Executive Officer, and a Director of California Resources Corporation, California’s largest independent oil and natural gas producer. As CEO, Mr. Stevens focuses on strengthening the balance sheet, enhancing margins, and operating CRC’s resilient asset base. CRC’s entire workforce is Californian, and he drives the company’s commitment to the communities where employees live and CRC operates. Prior to CRC, Mr. Stevens worked for 20 years in various management positions at Occidental Petroleum Corporation and most recently served as Vice President, Corporate Development. During his career with Occidental, he led most of Occidental’s growth initiatives and his responsibilities included mergers and acquisitions, evaluating and developing finance-related strategic and business opportunities, restructuring alternatives and asset dispositions, land management activities and worldwide exploration activities. He earned a Masters of Business Administration degree from the University of Southern California after graduating from the United States Military Academy, West Point, with a Bachelor of Science degree.
Mr. Stevens serves as a Director on the following boards: Boys and Girls Club of Santa Clarita Valley, Henry Mayo Newhall Hospital, Los Angeles Fire Department Foundation, Los Angeles Sports and Entertainment Commission Advisory Board, Santa Clarita Valley Economic Development Corporation, Santa Clarita Valley Sheriff’s Foundation, Val Pac (San Fernando Valley Business Political Action Committee), Southern California Leadership Council, USC Marshall School of Business Corporate Advisory Board, USC Viterbi School of Engineering Advisory Board, and the Board of Counselors, Master of Business for Veterans Programs at USC.

Christina Sistrunk

Christina Sistrunk is president and CEO of Aera Energy LLC, one of the largest California and U.S. oil producers with annual revenues of more than $2 billion. Delivering 25 percent of the state’s production, Aera is one of the nation’s most active drillers and operates over 14,500 wells. Aera’s success is accomplished through the innovative application of lean manufacturing processes, information systems and company culture.
Sistrunk began her career with Amoco Production Company in Louisiana working in a variety of production, facilities and reservoir engineering assignments focused on Gulf of Mexico engineering and development.
In 1998 Sistrunk joined Shell and held a series of technical and management positions, including operations manager and asset manager in the Gulf of Mexico and a two-year assignment as health, safety and environment manager for the Americas.
Sistrunk had a global role for worldwide exploration and production based in Rijswijk, The Netherlands to lead the creation and implementation of process safety improvement programs. She returned to the U.S. in 2009 as vice president of production assets for the Gulf of Mexico and later became vice president of Arctic capability. In that role, Sistrunk led the development of technology, people and systems to enable responsible Arctic development for decades to come.
Sistrunk currently chairs the Western States Petroleum Association Board of Directors and was appointed to the governing board of the Kern County Hospital Authority. She is also a member of the California Chamber of Commerce.
Sistrunk was named a Safety in Action Icon for 2016 by DEKRA Insight, for her inspirational, influential and innovative contributions to safety that have touched lives and changed the way people work; and one of the 50 Most Powerful Women in Oil and Gas by the National Diversity Council.
Sistrunk holds a bachelor’s degree in chemical engineering from The Ohio State University. She and her husband, John, have one daughter, Nicole.

Rock Zierman

Rock Zierman, Chief Executive Officer, has worked with CIPA since October 2002. Prior to being appointed CEO, Rock served as both the Director of Public Affairs for the California Independent Petroleum Association (CIPA), and the Executive Director of the California Natural Gas Producers Association (CNGPA). Prior to joining CIPA, Rock served as Chief of Staff to Assemblyman Mike Briggs (Fresno). Rock has also served in the offices of Assembly members Chuck Quackenbush (San Jose), Tom Bordonaro (Paso Robles), and Robert Prenter (Hanford). Rock graduated from Santa Clara University with a business degree in economics.


Kevin Ricketts

Kevin Ricketts, General Manager, Asset Development. As the General Manager of Asset Development, San Joaquin Valley Business Unit for Chevron North America Exploration & Production Company (CNAEP), Kevin is responsible for Chevron’s oil and gas development opportunities in the California assets. Kevin began his career with Chevron in New Orleans in 1982 after graduating from Texas A&M with a degree in Chemical Engineering and later receiving his master’s degree in Petroleum Engineering from Tulane University. His career has included assignments in Facilities, Production, Reservoir, Drilling, Operations, Planning and Asset Management.
Kevin returned to his hometown of Houston in 2004 working as the Subsurface Manager on the Tahiti Project. In 2008, he assumed the responsibilities of Tahiti-2 Project Manager, responsible for installation and start-up of a waterflood in the main producing interval in Tahiti. In 2013, Kevin added Deepwater NOJV management to his Tahiti responsibilities.
Kevin assumed his present General Manager position in Bakersfield in January, 2014.