Aspen Technology, Inc. announced that Stephen M. Jennings has resigned from the company's Board of Directors. Mr. Jennings was originally elected to AspenTech's Board in 2000, and served as Chairman of the Board since 2005. The company also announced that the board has elected Robert M. Whelan, Jr., as Chairman.

Mr. Whelan was originally elected to the Board of AspenTech in 2011 and also serves on the Audit Committee.