Timothy Smith and Brigette Whisnant bought a four-bedroom, 3.5-bath home at 621 Park Ave. in River Forest for $677,500 from John and Katrina Vainisi on Oct. 28.

The Vainisis paid $595,000 for the property in May 2005. The 1,760-square-foot house was built in 1916 in the South Central/Keystone Field neighborhood.

Whisnant is a senior vice president and director of film and digital production at Energy BBDO, a full-service advertising agency. She previously served as a senior producer at Fallon and worked with Cliff Freeman & Partners.

She attended Northwestern University.

According to BlockShopper.com, there have been 121 home sales in River Forest during the past 12 months, with a median sales price of $507,500.

Address: 621 Park Avenue
Buyer(s): Timothy Smith and Brigette Whisnant
Seller(s): Katrina A Vainisi and John A Vainisi
Sale date: Oct. 28, 2009