Will Palley joined MindBodyGreen as head of strategy and insights, a new position.

Wunderman New York named Toni Hess as chief creative officer.

Ansible, the full-service mobile agency of IPG Mediabrands, tapped Alice Le as vice president, client partner, a newly created role. Le will be responsible for leading and growing global client relationships. She will be based New York and report to Angela Steele, CEO of Ansible. Le joins Ansible's global leadership from IPG Mediabrands Australia where she served as head of mobile strategy since 2012.

The Barbarian Group hired Edu Pou as executive creative director. Pou joins the agency from Wieden + Kennedy Amsterdam, where he served as head of creative innovation.

Omelet LA added two executives to its senior leadership team by hiring Katrin Tenhaaf as partner and head of client services and promoting Josie Brown to partner and head of business development. Tenhaaf most recently served as global group account director at TBWA\Chiat\Day. Tenhaaf has more than 15 years of account and client leadership experience at global agencies, including Ogilvy & Mather London and Amsterdam, BBDO and 180LA. Her work has spanned 60 countries and includes brands like Adidas, Dove, Heineken, ING, Johnnie Walker, Sony and Visa. At Omelet, Tenhaaf provides account leadership for clients such as Microsoft, AT&T and …

FCB hired Tom Theys as executive vice president, global strategy. Theys will help the network's clients unlock business solutions that drive behavior change. He will report to Nigel Jones, global chief strategy officer. Theys joins FCB from Publicis Brussels where he was head of strategy and managing partner, working with clients such as BNP Paribas Fortis, Nescafe, Renault, Carrefour and P&G. Theys began his career working client-side for brands such as Canal Plus and MTV before joining Duval Guillaume Brussels as a strategic planner. While there he became head of strategy, leading a multi-disciplinary communications planning department, providing insights for …

Digital Pulp hired Dave Hadden as UX designer, reporting to Sarah Blecher, partner and director of user experience. In his new position, Hadden will be working with a cross-disciplinary team to develop a creative approach to interface navigation and create impactful, sustainable solutions for the agency's clients, including Dartmouth, Bausch & Lomb Biotrue and The Urban Institute. Hadden joins the agency after two years serving as user experience designer at Blue State Digital, where he led experience design on projects ranging from responsive sites to software applications and campaigns for groups like The Sierra Club and The Council on Foreign …

McCann Worldgroup promoted Adrian Botan to global executive creative director for its worldwide Nestle account. Botan joins three other global executive creative directors -- James Dawson-Hollis, Bill Wright and John Mescall -- in developing work for the agency's largest global clients. In addition, Botan will continue to serve as creative chairman of McCann Bucharest. Botan served as creative partner at McCann Bucharest and was the first creative director to bring a Cannes Grand Prix to Central & Eastern Europe: In 2011, McCann Bucharest won two Grand Prix Lions for the Romanian chocolate bar ROM, one in the Direct Lions category …

Pereira & O'Dell hired Matt Herrmann as chief strategy officer, charged with leading a team of behavioral, digital, social and content strategists across all of the agency's North American brands. He will report to PJ Pereira, Founding Partner of Pereira & O'Dell. Herrmann began his career at Leo Burnett in Chicago, and then moved to New York, joining Cliff Freeman and Partners and later BBH New York, where he developed the global strategy for the Johnnie Walker "Keep Walking" campaign. In 2005, he arrived in San Francisco at Goodby, Silverstein & Partners to become the deputy director of the Brand …

MediaAlpha hired Michael Foster as vice president, demand platform.