Elle Davin was named creative director of Acquity Group.
Trailer Park hired Duncan Campbell as vice president, business development, interactive television.
Arnold Worldwide hired Elaine Rizzo as senior vice president of human resources and HR/talent business partner for the New York office, ArnoldNYC.
Viacom tapped Melanie DiMemmo and Sarah Iooss to lead digital ad sales out of the company’s New York headquarters, while Sharon Silverstein will oversee West Coast business out of the company’s Los Angeles offices.
Rosabel Tao was named senior vice president, communications, for CBS Interactive.
Susan Claxton was named senior partner of content integration of MEC Entertainment, the agency’s branded entertainment division. Prior to joining MEC, she was senior director of brand engagement for Scratch, Viacom’s in-house creative team.
Ayzenberg Group hired Simon Ward as director.
BCF hired Kirsten Texler as account supervisor; Roxanne Coston as senior account executive; and Todd Aftel as digital art director.
Ypulse hired Jake Katz as chief architect.
Vladimir Jones hired Molly Matesich as a senior account executive.
Dalton Agency hired Scott Nichols as vice president, account director.
Ryan Partnership hired Joanna Peña-Bickley as senior vice president, executive creative director.
Talenthouse hired Cole Hartman as vice president, business operations.
Maria Kolosova has been named general manager of MEC Russia. She had been acting GM since January 1 following Christian Guinot’s move to MEC China.
Chris Hill has joined Minneapolis agency Solve as a copywriter.
The Regan Group promoted Natalie Diekmann to senior vice president, operations, Karlina Van Adelsberg to director, operations, and hired Cameron Samimi as director, business development.
HiveFire hired Bivha Singh as vice president of product management.
Ignited promoted Robb Hittner, Terri Simon and Jackie Stasi to senior vice presidents.
Insight Strategy Group named Mia Scelsi associate director, operations and Andi Glick senior project manager. In addition, Jillian Rodriguez joined the company as creative writer.
Value Group Direct hired Angela Menzen-Daisy as vice president of marketing.
Profero London hired Ben Clapp as executive creative director. Most recently, Clapp was the creative director of Elvis.
Emailvision hired Michael Thompson as vice president of user experience.
Radio One Atlanta hired Hugh B. Brown, Jr. as retail sales manager.
The Marketing Store Worldwide hired Christopher Brewer as vice president of strategy and analytics.