New America Foundation President Steve Coll to step down later...

New America Foundation President Steve Coll to step down later this year when a successor is named, will be senior fellow position with foundation’s National Security Studies Program; David Bradley, Atlantic Media Co., leading board committee that’s looking for new president … Mobility Ventures hires Lothar Pauly, ex-Siemens Communications and Deutsche Telekom, as managing partner-Europe … National Cable Television Cooperative hires Shannon Sommers, ex-Starz Entertainment, as senior director—programming analysis, new position … International Datacasting Corp. board adds Del Lippert, ex-Med-Eng Systems, and Georges Ata, Intelcan Technosystems.