Kerith M. Cohen bought a two-bedroom, two-bath condo at 2001 Hamilton St. in Fairmount from Theresa C. Macmillan for $320,000 on Jan. 20.

Macmillan paid $223,000 for the 978-square-foot Unit #601 in April 2004.

Cohen is a senior business analyst at Avenue A Razorfish, a marketing and advertising firm.

Previously, he was a strategic marketing analyst at Reed Elsevier.

He received his B.S. in mathematics from Tufts University (2003) and his M.B.A. in marketing from Temple University (2007).

There were 192 condo sales in Fairmount in 2008, with a median sales price of $272,000.

Address: 2001 Hamilton Street
Buyer(s): Kerith M Cohen
Seller(s): Theresa C Macmillan
Sale date: Jan. 20, 2009