DDB Chicago hired Ewan Paterson as chief creative officer. Paterson joins DDB from London's CHI & Partners, where he served as executive creative director and managing partner.

MEC hired Stephanie Eller as managing director, marketing and business development. Most recently, Eller was senior vice president, director of business development and marketing at MediaVest.

Hill Holliday hired Alicia Arnold and Priya Shah as senior vice presidents of its digital practice. Arnold joins Hill Holliday from Molecular where she worked on clients such as Reebok, HumanaOne and The Hartford. Most recently, Shah worked as vice president, director of experience architecture at Arnold Worldwide.

Jen Neal is joining BBDO North America as chief marketing officer on June 1, replacing Mark Goldstein. Neal previously served as a member of PHD's management team where she ran the New York office and was responsible for all East Coast client relationships including HBO, BBC, Hyatt and New Balance.

Team One hired Scott Wensman as group media director. Most recently, Wensman was group director, digital at OMD, Los Angeles.

Travel Ad Network hired Ben Lin as vice president, technology. Most recently he was a technology manager in Travelocity's media department.

Rich Terry joined Rawle Murdy as creative director.

Kate Stientjes joined ScanScout as a senior account executive. She most recently was a senior account executive at VideoEgg.

Jason Danahy was named as regional director in Centro's New York office.

Permuto hired Armin Ebrahimi as COO.