James C. Johnson has served as President of Chesapeake Energy Marketing, Inc., a wholly-owned subsidiary of Chesapeake Energy Corporation, since 2000. He served as Vice President - Contract Administration for the company from 1997 to 2000 and as Manager - Contract Administration from 1996 to 1997. From 1980 to 1996, Mr. Johnson held various gas marketing and land positions with Enogex, Inc., Delhi Gas Pipeline Corporation, TXO Production Corp. and Gulf Oil Corporation. Mr. Johnson is a member of the Natural Gas & Energy Association of Oklahoma and graduated from the University of Oklahoma in 1980.