Currently, he serves on the board of directors of the Chevron Philips Chemical Company as well as the chair of the board of the Western States Petroleum Association.

Yesavage has received a bachelor of science degree in Chemical Engineering from Newark (New Jersey) College of Engineering in 1974. He has worked for Chevron for nearly 35 years. During the course of his career he has held many manufacturing assignments in locations including Perth Amboy, New Jersey; Belle Chase, Louisiana; Richmond, San Francisco and San Ramon, California; St. James, Louisiana; Port Arthur, Texas; and most recently, El Segundo, where the Yesavage family has resided for over nine years.

Yesavage has been very active in the communities in which he’s lived, serving as a board member to many organizations and associations.