John Winterman

05 October 2010

John Winterman is president and general manager, Occidental Petroleum Libya

John Winterman

Company: Occidental Petroleum Libya
Position: President and general manager

Biography: John Winterman is president and general manager of US-based Occidental Petroleum’s operations in Libya.

The international oil company has the largest amount of acreage in Libya, under exploration and production contracts signed since 2005. Occidental was the first US firm to re-enter Libya after economic sanctions were lifted.

Winterman was appointed to his current role in 2006 and has 30 years of experience, mostly in exploration and production.

Winterman began his career at Occidental in 1981 as a geologist, after graduating from London’s Queen Mary College, with a bachelor’s degree in geology. In 2008, he helped renegotiate Occidental’s contracts for developing the Sirte basin, extending them by 30 years.

In March 2009, Winterman was made an executive vice-president at Occidental, reporting directly to chief executive Ray Irani on a series of projects.

Contact: (+218) 21 335 1955
Company website:

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