Mark J. Rittenbaum
Mark J. Rittenbaum is Executive Vice President, Commercial and Leasing, a position he has held since February 2016. Prior to this role, he served Greenbrier in various roles including Executive Vice President and Chief Financial Officer, Senior Vice President and Treasurer, Vice President and Treasurer from 1994 to 2001, and Vice President of Greenbrier Leasing Company LLC. Mr. Rittenbaum also serves on the board of GBW Railcar Services Holdings, L.L.C. and Greenbrier-GIMSA, LLC.