Leo Burnett Worldwide hired Michael Boychuk as senior vice president, creative director and Kevin Lilly as senior vice president, participation strategy director.

Cactus, Denver, hired Kate Schmitz as interactive director on all accounts. Previously, Schmitz was interactive director at Milesbrand, Denver.

Victors & Spoils named Jonathan Balck as the head of account management and strategy.

Tyson Goodridge joined Acsys Interactive as director of social media.

VEVO promoted Alex Kisch to senior vice president, business affairs & business development.

Happiness Brussels appointed Isabel Peeters and Peter Ampe as partners.

SapientNitro hired Gary Nelson as creative director at SapientNitro’s New York office. Most recently, Nelson served as an executive creative director at Organic.

Jonathan Cho has been named managing director and head of search marketing for Mindshare, North America.

MEC North America hired Abby Spatz as managing partner. She joins MEC from eBay, where she served as the senior director, integrated marketing and consumer engagement.

Allen & Gerritsen named Scott Gray as managing director of its newly formed Relationship Marketing Group.

Baldwin&, Raleigh hired Jennifer Matthews as senior art director and designer, working on the agency’s Burt’s Bees account. Titles at Baldwin& are self-assigned and Matthews’ will be “visual therapist.”

Stardust named Tania Staykova as executive producer of its New York office to oversee live action and animation work.

David&Goliath hired Todd Grant as creative director. Grant most recently spent a year at CP+B/Boulder, where he worked on Burger King, Jell-O Pudding, Microsoft and new business.

Venables Bell & Partners opened the doors of its new fourth floor space, “Lumberyard,” a studio that will produce advertising and content to be used in digital and traditional media channels. The agency hired Deva Ferar as director of content development to manage the new space.

Trailer Park's Digital, Social and Mobile division hired Scott Boyd as vice president, account services and promoted Michael Faulkner to senior vice president, account services and business development.

Jennifer Sobel joined MediaVest as vice president/director, talent acquisition.

Emanate named Kristen Massaro as vice president, social media.

DOJO San Francisco added Edwin Veelo to its roster as a senior creative. He was most recently contracted with R/GA in San Francisco.

Zooppa promoted Sarah Bott to vice president, sales.

The Visionaire Group promoted Armando Llenado and Julie Gargan to executive creative directors. In addition, the company hired Jennifer Johns as director of client services.

Cramer-Krasselt announced that Jeff Johnson would return to the agency this month to resume leadership of its New York office as executive vice president and general manager. He replaces Anne Bologna who is leaving the agency to take a corporate staff position with MDC Partners.

Taykey hired John Schneider as senior vice president of sales. Most recently, Schneider was vice president of sales at Federated Media.

Wieden+Kennedy hired Ginny Golden as interactive creative director in the Portland office. Golden joins W+K from AKQA’s Washington D.C. office, where she served as creative director.

Paulo Coelho joined Pereira & O’Dell as associate creative director.