During his 10 years at Transwestern, Mark's primary focus has been on landlord representation. He has negotiated leases with an aggregate value in excess of $325 million. Mark's clients include Digital Systems International Corporation, Delta Airlines, the University of Southern California, Anheuser Busch, Harcourt, Inc., Thompson Publishing and Corestaff Services. He has also leased major downtown office buildings for Prudential Real Estate Investors, Mitsui Seimei American Corporation, Citicorp and Riggs Bank, N.A.

Prior to joining Transwestern, Mark served five years as vice president in the tenant advisory services group of the Hunter Companies. He is a 12-time winner and life member of the Greater Washington Commercial Association of Realtors' (GWCAR) Million Dollar Leasing Club. In 1990, 1992 and 1994, he was cited by GWCAR as a top producer in the region.

Mark graduated from Georgetown University,
where he earned his Bachelor of Science degree
in business administration (finance). He also
completed studies in international finance and
comparative business policy at Brasenose
College, Oxford University in England.