Martin Williams Advertising hired five new employees over the past month. Kathleen Heist was named engagement analyst; Carmen Nesenson as interaction planner; Michael Smith as media analyst; Bryce Wandling as motion design editor; and Laura Wiering as account manager.

Roman Paluta joined Solve as director of business development.

Centro hired Ryan Adams as affiliate sales director; David Karabag as affiliate program development director and promoted Michael Mahler to affiliate program director.

Mekanism promoted Eric Zuncic to head of strategy and Michael Zlatoper to managing director.

Project: WorldWide hired Joost Dop as CEO EMEA.

Doner promoted five employees to vice president, brand leader within the agency: Karen Cummings, Jaclyn DiCicco, Beth Ellis, Jamie Heberling and Josh Huling.

The Lippin Group promoted Donald “Don” Ciaramella to president of corporate communications.

Music Choice promoted Mark Melvin to senior vice president of national advertising sales.

Steve Anderson joined NBC News as managing director in Peacock Productions’ UK headquarters.

College Millennial Consumer marketing firm, Fluent, named Darren Ross as its executive vice president, solutions. Ross joins the company from Boston-based creative agency Cramer, where he was executive vice president in charge of strategy and sales. At Fluent, Ross will lead the new Digital and Insights groups. While at Cramer, Ross worked with brands such as Staples, Keurig, Avery Dennison, New England Coffee, EMC and Siemens. Prior to that, he was chief operating officer at InterMedia Interactive Solutions, where he worked with clients like Callaway, Pfizer, Pharmacia, Aventis, Coke of Philadelphia and Shiseido Cosmetics.