Brittany Hansen Cassin of John Daugherty Realtors is cofounder of Young at Heart, a young professionals group for the American Heart Association. This year was the first Young at Heart – After party in conjunction with “The Beat Goes On” Heart Ball at the Hilton Americans on Saturday, February 13^th. The successful after party was chaired by Brittany and Travis Cassin and Laura and Ryan Zehl, which drew more than 125 people.