Concrete + Clay signed directors Graeme Joyce, Paul Schneider and Kat Coiro.  Mike Brady joins the company as executive producer.

PCI named Matt Chun as vice president, digital strategy.

Greencard added Alexander Engel to its directorial roster.

Siteworx hired Lisa Brown as chief financial officer.

VideoAmp hired Jay Prasad as chief business officer.

B-Reel hired Jonathan Vingiano as creative director.

Smashing Ideas hired Bill Wright as technical director.

Knight Foundation added Sam Gill as vice president for learning and impact.

MediaBrix hired Ryan Carter as managing director, UK to head up a new office in London.

URX hired Lauren Nemeth as chief revenue officer.