The Keystone Group, a management consulting firm in Chicago, announced the following promotions:

David Hohman has been promoted to senior principal at The Keystone Group. Since joining Keystone, he has worked on numerous projects in Profit Improvement, S&OC and M&A integration. Hohman joined the firm in 2008 after serving in various management roles at Sun Chemical Corporation. Prior to Sun Chemicall, he spent six years in the banking industry. He earned his B.A. in Economics from the College of the Holy Cross and his M.B.A. in Finance from the University of Chicago.

Greg Hasty has been promoted to senior associate. Hasty