William A. Old holds the position of Secretary & Chief Legal Officer for Dollar Tree, Inc. and Secretary, Director & Chief Legal Officer at Greenbrier International, Inc. (a subsidiary of Dollar Tree, Inc.). Mr. Old is also on the board of Dollar Tree Management LLC and Member of Society for Corporate Governance, Inc., Member of Virginia State Bar and Member of The Virginia Bar Association.

In the past Mr. Old held the position of Director & Vice President at Williams Mullen PC President at Hofheimer Nusbaum PC and Vice President for Williams Mullen Clark & Dobbins PC (both are subsidiaries of Williams Mullen PC).

Mr. Old received a graduate degree and an undergraduate degree from the University of Virginia and a graduate degree from William & Mary School of Law.