IN MEMORIUM
Matthew R. Simmons, chairman emeritus and founder of Simmons & Co. International in Houston, and more recently, the Ocean Energy Institute in Rockland, Maine, died August 8, 2010, at his island home in Maine, of an apparent heart attack. He was 67. Simmons founded the Ocean Energy Institute in Rockland in 2007. He wrote “Twilight in the Desert: The Coming Saudi Oil Shock and the World Economy” in 2005, alerting the world to a looming oil shortage. He traveled the world to discuss the ideas in this book, which was a Wall Street Journal best-seller.

Steven H. Davis has been named executive director of the Society of Exploration Geophysicists.

T&T BISSO has appointed Mauricio Garrido as president.

Tiffany Harris has been named president of Foster Marketing Communications, succeeding company founder George Foster, who will remain as chief executive officer.

Occidental Petroleum Corp. has announced that James M. Lienert has been named executive vice president and chief financial officer, and Stephen I. Chazen has been elected president and chief operating officer.

Wood Group’s Alliance Engineering has named Roser Segarra to the position of chief financial officer.

Marathon Oil Co., a wholly owned subsidiary of Marathon Oil Corp., has announced that Michael W. Tweedy will join the company as its chief procurement officer.

Colfax Corp. has promoted William E. Roller to executive vice president of Colfax Americas.