Occidental Petroleum Corporation announced new executive management responsibilities following the recent appointment of leadership for the company's California Resources Corporation (CRC) subsidiary. Effective immediately, the following executives will head key operations as direct reports to Stephen I. Chazen, President and Chief Executive Officer of Occidental Petroleum: WCW (Willie) Chiang -- Executive Vice President -- Operations; Vicki A. Hollub -- President, Occidental Oil and Gas -- Americas; Edward A. (Sandy) Lowe -- President, Occidental Oil and Gas -- International. Staff functional leaders also reporting to Mr. Chazen include the following executives: Marcia Backus will continue as Vice President and General Counsel and assume the roles of Corporate Secretary and Chief Compliance Officer.

Before joining Occidental in 2013, Ms. Backus was a partner at Vinson & Elkins, heading the law firm's Energy Transactions/Projects Practice Group and serving in key leadership positions. Chris Stavros is appointed Executive Vice President and Chief Financial Officer (CFO). As CFO, Mr. Stavros will lead the Controller, Treasury and Tax functions as well as Investor Relations and Communications and Public Affairs.

He has overseen Investor Relations at Occidental since 2006 and became Vice President, Investor Relations and Treasurer, in 2012. Glenn Vangolen is appointed Executive Vice President, Business Support, with responsibility for the Human Resources, Information Technology and Health, Environment and Safety functions. Mr. Vangolen's career at Occidental spans 30 years, during which he has held leadership positions in the U.S., Latin America and Middle East -- most recently Senior Vice President -- Middle East, since 2010.

Cynthia Walker is appointed Executive Vice President, Strategy and Development, adding Business Development and Land activities to her current responsibility for Financial Planning and Analysis. Prior to joining Occidental in 2012 as Executive Vice President and Chief Financial Officer, Ms. Walker was with Goldman, Sachs & Co. for 12 years where she served as Managing Director.

New corporate Vice Presidents have also been appointed: Ioannis A. Charalambous, Vice President and Chief Information Officer (CIO); Ben Figlock, Vice President and Treasurer; and Jennifer Kirk, Vice President and Controller.