Jenkins owned an advertising agency from 1972 to 1981, when he became executive director of the Council for National Policy. From 1985 to 2005, he was president and general manager of WBTR-TV in Baton Rouge. Since 2005, he has served as editor of the "Central City News", a community weekly newspaper. At WBTR-TV, he produced a daily television news program from 1991 to 2005, "Baton Rouge Today", which won first place as the Best Community News Program in the nation from the Community Broadcasters Association. The "Central City News" has won more than twenty national and state awards from the National Newspaper Association and the Louisiana Press Association, including General Excellence, Best Feature Writing, Best Columnist, and Best Local News Coverage. Jenkins is an inductee of the LSU Journalism School Hall of Fame.