Mr. Devlin is the President and owner of Viking Resources of Wichita, Kansas. He is also President of Westland Oilfield Supply. He attended the University of Kansas and graduated with degrees in geology and petroleum engineering in 1955. He served as an infantry officer in the Marine Corps from 1955 to 1958, and then joined Conoco in 1958 and worked as a staff geologist. In 1963, he became a consulting geologist and independent oil operator, with Jayhawk Oil Company. In 1982, he formed Viking Resources, Inc. with Tom Wesselowksi.

In addition to serving on the PAG for the North Midcontinent RLO, Mr. Devlin is also a member of the Advisory Board for the Tertiary Oil Recovery Project (TORP) at the University of Kansas.