Lieutenant General (Ret.) John S. Kolasheski Brings Army and NATO Leadership Experience to Diverse Systems Group

The former V Corps commander advises DSG on defense and federal opportunities, drawing on a career leading U.S. and allied operations.

Lieutenant General (Ret.) Sean A. Gainey Brings Defense Integration Expertise to Diverse Systems Group

The former Army Space and Missile Defense Command leader advises DSG on federal growth, mission priorities, and opportunities in the defense market.

Brigadier General (Ret.) Johnnie L. Johnson Jr. Brings Decades of Defense Leadership to Diverse Systems Group

The retired Army general and former CENTCOM operations leader leads growth and business development for DSG’s defense and federal work.