Stephen D. Pryor was president of ExxonMobil Chemical Company (a subsidiary of Exxon Mobil Corporation) from April 1, 2008 to January 1, 2015, and was vice-president of Exxon Mobil Corporation from December 1, 2004 to January 1, 2015.

Pryor joined Mobil Corporation in 1971, and from then on held various national and international positions.

[3] Since joining Mobil Corporation in 1971, Pryor has held various financial and managerial positions with the company.

He was vice-president of Exxon Mobil Corporation from December 1, 2004 to January 1, 2015, and served as president of ExxonMobil Chemical Company (a subsidiary of Exxon Mobil Corporation) from April 1, 2008 to January 1, 2015.

[1][5] Pryor has served on the Executive Strategy Group of the International Council of Chemical Associations (ICCA), and is a proponent of the Responsible Care initiative, a voluntary global initiative to improve health, safety, and environmental performance within the chemical industry.