Troika named Bonnie Rosen as account director.

Mastercard named Christine Elliott as executive vice president, global communications.

Interana added Aditya Vempaty as vice president of marketing.

Cohn & Wolfe named Jim Joseph as worldwide president and promoted Chad Latz to chief innovation officer; Brooke Hovey to chief client officer and Stephanie Howley to executive vice president, global talent manager.

Apester named Remy Wasyluk as vice president of UK sales and Julian Soler as head of global marketing.

Discovery Communications named Alex Kaplan as executive vice president, commercial for Eurosport Digital.

Preston Kelly is promoting Jennifer Gove to president to serve as key leader of the agency, helping to drive evolution and next-generation thinking, including fostering breakthrough and strategic brand and digital work. Among her responsibilities will be leading business development and account management. She replaces Chuck Kelly who previously served as both CEO and president but decided to split the role as Preston Kelly "looks at the vision and future of the agency." Gove has more than 20 years of agency experience in consumer and business-to-business marketing and branding.  For the past nine years, she has served as vice president …

McCann named Kris Shaffer executive vice president, chief strategy officer of McCann Detroit and Veda Partalo as executive vice president, head of brand strategy for McCann New York. Shaffer most recently served as executive vice president, global chief strategy officer of Hudson Rouge in Detroit and New York, where she led the business and communication strategy across markets in the U.S., Canada, China and the Middle East. Prior to that, she was executive vice president, chief strategy officer, at Blue Hive Shanghai. She also held senior strategy roles at Team Detroit and Young & Rubicam. Partalo most recently ran advertising …

Joan Creative hired Dan Treichel and Dave Canning as co-executive creative directors, reporting to co-founder/chief creative officer, Jaime Robinson. The duo join Joan from 180 Amsterdam where they worked with clients such as Asics, DHL, PlayStation, Replay Jeans and United Colors of Benetton. Prior to that, they worked together at Barton F. Graf 9000 where they created the award winning "Climate Name Change" campaign for 350 Action. Before that, Canning worked at Wieden + Kennedy and Young & Rubicam, and Treichel at Crispin Porter + Bogusky and Droga5. "We're over the moon that Dave and Dan have joined us," said …

Industry veteran Adam Levite is joining Madwell as its new creative director and Frank Zoller as media director. In these newly created roles, Levite will work closely with chief creative officer, Chris Sojka to evolve the company's creative strategy and production. Zoller will work closely with CEO David Eisenman and is charged with putting together recommendations that maximize the effectiveness of the agency's clients investments and ensuring that media is fully integrated into the agency offering. Both will also play key roles in driving the company's national expansion with a new office in Colorado and west coast clientele, as well …