Sean is a Managing General Partner at Highland Capital Partners specializing in communications infrastructure and semiconductors. Sean is a former director of AccessLan Communications (acquired by Advanced Fibre Communications), Altiga Networks (acquired by Cisco), Envoy Networks (acquired by Texas Instruments), Ocular Networks (acquired by Tellabs), Telcobuy.com (merged with World Wide Technology) and Telica (acquired by Lucent). In addition to Virtual Iron, he currently represents Highland on the boards of Casero, CHiL Semiconductor, Covergence, Mangrove Systems, P.A. Semi, QD Vision, Radiospire Networks, Starent Networks and Tatara Systems and also actively works with ANDA Networks, Innovative Silicon, Kodeos Communications and Simpler Networks. Sean has been recognized by the prestigious Forbes Midas List as one of the top venture capitalists in the industry.

Prior to joining Highland, Sean was a Venture Associate at Fidelity Capital focusing on investments in communications and electronic commerce. Before Fidelity, Sean worked as a Product Manager - Internet Services for GTE where he developed remote access and other network services for ISPs and large business customers. While at GTE, Sean led the nation's first ADSL trial for Internet access.

Sean holds a B.S. in Electrical Engineering from the University of Delaware, an M.S. in Electrical Engineering from the University of Pennsylvania and an M.B.A. from Harvard Business School.