Robert A. Schriesheim

ROBERT A. SCHRIESHEIM joined Global TeleSystems, Inc. as Executive Vice
President and Chief Corporate Development Officer in February 1999. In
September 1999 he was appointed Chief Financial Officer. Mr. Schriesheim
has a 10-year track record in maximizing shareholder value through a
variety of corporate development and corporate finance initiatives,
primarily in the telecommunications and information services industries.
Mr. Schriesheim joins GTS from SBC Equity Partners, Inc. (SBCEP) in
Chicago, a private equity firm affiliated with Sanwa Bank, where he was
President and Founding Chief Executive Officer. Before his work at
SBCEP, Mr. Schriesheim was Vice President of Corporate Business
Development for Ameritech and Managing Director of Ameritech Development
Corporation. At Ameritech, he managed a US$50 million venture capital
subsidiary focused on investments in strategically related
communications, media and e-commerce companies. Previously, Mr.
Schriesheim worked at ACNielsen Corporation, where he held positions as
Vice President of Global Corporate Development and Vice President of
Acquisitions and New Business Development. He also worked in a number of
executive planning, finance and deal-making positions at Brooke Group
Ltd., a leveraged buyout firm and holding company, and at Western Union,
a Brooke portfolio company. Mr. Schriesheim received an MBA in Finance
and Business Economics from the University of Chicago and an AB in
Chemistry from Princeton University.