Most recently, he was senior vice president, global director of analytics at MullenLowe U.S. While there, Acosta helped establish an analytics group that secured client wins including US Cellular, Royal Caribbean and National Geographic Channel. Prior to MullenLowe, Acosta headed media services as AT&T's executive director of insights and innovation. Prior to that, Acosta worked at The Martin Agency for five years.

"Patrick is an enthusiastic strategic thinker and analytics-driven media executive," said Michelle Cardinal, CEO of R2C Group. "Two things that are critical to our client's success. That coupled with his impressive portfolio of major brand experience makes him the perfect fit for driving our media and analytics practice aggressively forward."

"It is rare, if not nearly impossible, to find a true leader, a remarkable manager, a B-to-B expert and a pure source of inspiration all in one person," said Christoph Becker, global CEO and CCO of Gyro. "Adryanna's new role marks one of the most important moments in gyro history. She will propel the U.S. to the next level."

Trey Harness was promoted to president of Gyro Cincinnati.

Mitra joins the agency from Huge, where she oversaw social media, social commerce, eCRM, loyalty, segmentation strategy for clients including Nokia Health and Kohl's. Prior to that, she worked at Edelman Digital on Dove's global online presence.

Panzarella has more than 20 years of experience in the advertising industry. He's also an adjunct professor teaching analytics and digital marketing at NYU's School of Professional Studies program. Prior to DDB, Panzarella oversaw the digital and analytics department for Javelin. He has worked on brands such as Verizon, AT&T, Avis and the 2010 U.S. Census.

"We are thrilled to have brought exceptional new talent into DDB NY; Reema and Joe have been instrumental to the realization of some of the smartest work in their fields," said Hazlewood. "They will help us take the quality of the agency's strategic product to even higher heights. The agency will be inspired by their energy, creativity and proven ability to tackle client challenges brilliantly."

Julia Hammond and Chris Furse were both elevated to North American executive directors, focusing on leading global clients, expanding relationships with current clients and driving new business.

Hammond will remain part of the VML Chicago leadership team in addition to her North American duties. She also takes on overall executive leadership duties as the first WPP client leader for Tyson Foods, leading WPP partners such as Ogilvy, Mindshare and Cavalry. Beyond North American new business efforts, Furse will continue his VML New York leadership role, leading the global New Balance and Miami Tourism accounts. Hammond and Furse report to Eric Campbell, president of VML.

Rosanne Johnson was named executive director, client engagement, responsible for leadership and development of the client engagement group as well as oversight of the New York office. She will also focus on expanding VML health clients, including the partnership with WPP Health & Wellness. Johnson will report to Chuck Searle, chief client officer.

Tomas Gonsorcik was promoted to managing director, integrated strategy, responsible for collaboration of the channel, planning, advisory and data & insights teams. Based in New York, Gonsorcik reports to Brian Yamada, chief innovation officer.

Jen McDonald was upped to executive director, client engagement, responsible for the client engagement function in Kansas City. She currently leads VML's relationships with Wendy's and NAPA AUTO PARTS. McDonald reports to Searle.

Lastly, Jason Bass was promoted to managing director, client engagement, in Kansas City. Bass has been with the agency for more than eight years, leading clients such as H&R Block and Wendy's. With his promotion, his focus will shift from the Wendy's account to Electrolux. Bass reports to McDonald.

Scharf has more than 15 years of media experience in the Atlanta market and has worked on brands such as The Coca-Cola Company, Verizon Wireless and Delta Air Lines.

In his new role, Scharf will focus on driving revenue growth and ensuring client satisfaction. In the past few years, Zenith's Atlanta office has grown from a satellite office to more than 75 employees.

"I'm excited to have Mitch lead the Zenith Atlanta office," said Sean Reardon, CEO of Zenith USA. "This shift is a great opportunity to create tighter alignment between the Zenith and Moxie brands — bringing together the power of Zenith's media capabilities and Moxie's next generation marketing solutions."