Managing Partner: Associated Partners, LP; Liberty Associated Partners, LLC; focused on communication infrastructure activities, specifically building, operating and acquiring fiber networks to wireless cell sites, and building and acquiring wireless towers. Member of the board of Empire State Reality Trust; Former Member of the Board: CMGI; IAC; Liberty Satellite; Technology; Corporation Mobilcom; Teligent. Member of the Board, Partnership for New York City; Board Adviser, New Mountain Capital. Operator/Investor across technology, media and telecom space, including: Radio Station Group; Cellular Telephone Systems; Cable Television Systems; Location Systems; Teligent; Cellular One; Cibernet; Current Group; Nextwave Communications.