| Stephen Chazen | |
| Birth Date: | 1946 |
| Death Date: | 22 September 2022 |
| Nationality: | American |
| Alma Mater: | Rutgers University University of Houston Michigan State University |
| Occupation: | CEO, Occidental Petroleum (2011–2016) |
| Successor: | Vicki Hollub |
Stephen Chazen (1946 – 22 September 2022) was an American businessman. He was president and chief executive officer (CEO) of Occidental Petroleum from 2011 to 2016.[1]
He was born in 1946.[2] He earned a bachelor's degree in geology from Rutgers University, a master's degree in finance from the University of Houston, and a PhD in geology from Michigan State University.[2] [3] [4]
He worked as a managing director in corporate finance and mergers and acquisitions at Merrill Lynch.[3] [4]
In 1994, he started his career at Occidental Petroleum (OXY), a publicly-traded oil corporation then headquartered in Los Angeles, California and the fourth largest oil producer in the United States.[3] [4] [5] He was executive vice president-corporate development at Occidental Petroleum from 1994 to 1999, and as its executive vice president-corporate development from 1999 to 2004.[3] [4] He was its senior executive vice president from 2004 to 2007, and as its chief financial officer from 2004 to 2007.[3] [4] He was its president since December 2007 until 2016 and as its chief executive officer since May 5, 2011 through April 29, 2016.[3] [4] [6] He replaced Ray R. Irani, who went on to serve as chairman.[5] He has denied conflict with Irani.[5]
According to a study by the Graziadio School of Business and Management at Pepperdine University, under his leadship, OXY earned US$3.4 billion in profit in 2011, an increase of $1.6 billion from 2010, making him the value-generation business leader in Southern California.[7]
He was on the board of directors of the American Petroleum Institute, Lyondell Chemical Company, Premcor and Washington Mutual.[4]
As of August 2016, he was reported to be worth over US$128 million, due to his stock holdings in Occidental Petroleum and other companies.[8]
He was on the board of trustees of the Aquarium of the Pacific and Catalina Island Conservancy.[4] He was a Republican.[2]
In 2019, Chazen was asked to rejoin Occidental as a board member.[9]
Chazen died on 22 September 2022.[10] [11]