The 9,688-square-foot house was built in 1999 in the Potomac South of Democracy Blvd. neighborhood.
Mr. Gillis is the director of SciQuest, a web-based procurement software company. He is also the director for the Lawrence Transplant Foundation in Washington, D.C. Previously, he was the president and chief executive officer of SAGA Systems Inc., an enterprise software company, and an executive vice president at Falcon Systems in Maryland.
He earned a B.S. in management in 1968 at the University of Rhode Island.
According to BlockShopper.com, there have been 419 home sales in Potomac during the past 12 months, with a median sales price of $773,250.
Address: 8511 Country Club Drive
Buyer(s): W Personal Residence (Trust), H Personal Residence (Trust), Marc Wertheimer (Trustee)
Seller(s): Daniel F Gillis and Mary Anne Gillis
Sale date: Oct. 30, 2009