Exhibit Works, Walnut Creek, CA, appointed Mark Adams project director for the Museum Services Division. Elsewhere, Kathleen Loesch joined Detroit-based Treehouse Events, a division of Exhibit Works, as senior program producer.

Grand Central Marketing, Inc., New York City, promoted SeeLun Mak to VP.

DGWB Advertising and Communications, Santa Ana, CA, hired Michael Shudak as CFO and Ed Collins as CMO.

Andrew Benett named executive VP and chief strategy officer of Euro RSCG Worldwide's New York office.

David Strandberg joined GEM Group, Minneapolis, MN, as executive creative director.

Denver, CO-based Cultivator Advertising & Design named Justin Salvas designer

Rory Odani named art director at Boone/Oakley, Charlotte, NC.

Kerri Ewing joined San Diego, CA-based Oster & Associates, Inc. as production artist

Portland, OR-based eROI, Inc., promoted Dylan Boyd to VP-sales and marketing, Aaron Puritz to creative director and Jeff Mills to regional sales manager. Also, April Iverson joined as controller.

Daniel Avina named account executive and Gretchen Solorio media supervisor at Vertical Marketing Network, Tustin, CA.

The Cotter Team, Ellicott City, MD, named George Wielechowski associate creative director, Mark Kubat art director and Philip Conrad agency assistant.

Steve Roth promoted to VP-new business development for Ethnic Marketing Group, Inc., Valencia, CA, a leading independent Hispanic advertising and promotions agency.