Thinkingbox promoted Troy Graham to executive creative director, Justin Desjardins to associate director and Christine Clark to senior producer.

Viamedia promoted Rick Tarvin to executive vice president of sales.

IgnitionOne added Dr. Ken Rona as chief data scientist.

Metamarkets added Casey Steele as vice president of sales.

Gyro is naming MC Martin as its first global chief talent officer to ensure the agency's culture continues to be strong and unique, or what it calls 'Uno.' Her responsibilities include attracting and retaining the best talent in the industry, amplifying gyro’s global culture and enhancing the agency’s benefits and other employee offerings. Although she will be based in New York City, she will manage more than 600 workers across 14 offices.  Martin has more than 20 years experience working in human resources. Most recently, Martin served as senior vice president, people and talent at the 4As and has spent time …

Omnicom Group's DDB Worldwide promoted Jim Cunningham to general counsel. In his new role, Cunningham will oversee the agency's global legal department, and advise DDB's senior leadership in all aspects of its business, including commercial, employment, litigation and intellectual property matters. Cunningham will report to Keith Bremer, worldwide chief financial officer of DDB. He has served as assistant general counsel at DDB since 2005. Prior to that, he was a senior associate in the corporate department of Ropes & Gray LLP, where he advised private equity clients in the areas of leveraged buyouts, venture capital investing and fund formation.

Jellyfish is promoting John Mohr to serve as the newly created senior director, web content strategy. He will direct the digital marketing agency's overall digital content strategy and user experiences for the shop's U.S. clients. He will be based in Baltimore and report to Kevin Buerger, executive vice president, managing director, Jellyfish's U.S. Agency. Since joining Jellyfish in June 2014, Mohr has helped to build Jellyfish’s U.S. content strategy team, leading a team of web content strategists, digital content editors and a director of email marketing. Prior to joining Jellyfish, Mohr was director of content strategy at Mercy Medical Center in Baltimore …

Rasmus Bjurstrom will join Perfect Fools this August as head of strategy. He will report to Ann Ysten, CEO of Perfect Fools, and sit on the agency management team. He is tasked with developing new strategic tools and processes with the creative and technical teams. Bjurstrom joins the agency from OMD Sweden where he was creative director for PepsiCo, Orkla and Disney. Prior to that, he was chief digital officer for OMG working with both OMD and PHD across all teams and clients. He also served as global partnership director at Hyper Island. "Rasmus brings valuable knowledge both from the …

barrettSF hired Conor Duignan as head of production. He will be leading the production charge for the agency's roster of clients including Rubio's Coastal Restaurants, 2K Games, Bleacher Report, goSeek, AliveCor, Golf Channel, the Redwood Association and Exchange Bank. Duignan spent the last nine years at Goodby, Silverstein & Partners, where he produced award-winning campaigns for the NBA, Xfinity, the California Milk Processor Board ("got milk?"), and Chevrolet, to name a few. "Conor is an amazing producer who has learned under the best producers at one of the best agencies in the world," said Jamie Barrett, founder and executive creative …

Tribune Broadcasting named Paul Rennie to president and general manager of WGN-TV in Chicago.