Mr. Ingriselli began his career at Texaco in 1979 and held various key executive positions with Texaco throughout the following two decades.  From 1979 until 1983, Mr. Ingriselli led Texaco’s negotiations with China for its first successful international oil Production Sharing Contract.  Under Mr. Ingriselli’s leadership, Texaco discovered Block 16/08 (HZ/21-1 oil field) in the Pearl River Mouth Basin in the South China Sea.  The contract for more than 20 produced some 100,000 bopd for the citizens of China, generating substantial revenue for China National Offshore Oil Corp (CNOOC) and Texaco/Chevron. 

In 1992, Mr. Ingriselli was named President of Texaco International Operations Inc., a capacity that directed Texaco’s global initiatives in exploration and development.   In 1996, he was appointed President and CEO of the Timan Pechora Company, a Houston-Moscow headquartered company owned by affiliates of Texaco, Exxon, Amoco, Norsk Hydro, and Lukoil, which was developing one of the largest international investments in Russia at that time.

In 1998, Mr. Ingriselli returned to Texaco’s Executive Department with responsibilities for Texaco’s power and gas operations, merger and acquisition activities, pipeline operations and corporate development.  In 2000, Mr. Ingriselli was appointed President of Texaco Technology Ventures, responsible for all of Texaco’s global technology initiatives and investments.  In 2001, Mr. Ingriselli retired from Texaco after its merger with Chevron.