Mashable hired Seth Rogin as chief revenue officer.
Brian Levy has been promoted to director, direct response sales, NBCUniversal Domestic Television Distribution.
Doner hired Chad Ackley as executive vice president, executive creative director.
Thomas Nielsen joined Brightcove as senior vice president of products. Before joining Brightcove, Nielsen was the president and CEO at RealNetworks.
Joe Salvador was named chief video officer of Altitude Digital. Tim McMahon was promoted to director of ad operations.
SelectNY named Sara Fahim as director of strategy.
Hybris named Rob Rosenthal as vice president of sales east in North America.
The Magnetic Collective added Gayle Malone as a partner.
MRY tapped David Berkowitz as chief marketing officer. Berkowitz was most recently vice president of emerging media at 360i.
Manuel Segimon was elevated to COO of Y&R and Wunderman Latam. Jesus Portillo will replace Segimon as CFO for Y&R and Wunderman Latam.