He will stay on with the AOL Time Warner division as a consultant.
For over a decade, Mr. Reisenbach has been in charge of all worldwide film marketing, as well as overseeing Warner Bros. Family Entertainment, Warner Bros. Animation, children's programming and theme parks.
Mr. Reisenbach joined Warner Bros. in 1979 after a long run working at Grey Advertising as an executive vice president and the as president of Grey's Leisure/Entertainment Division.
Executives close the company said Mr. Reisenbach's position will not be filled.