Chris Henderson has rejoined Minneapolis-based agency Olson as creative director. ... Modernista! welcomed Matt Howell and Michael Tabtabai as director of interactive production and interactive ACD, respectively. ... Chicago/New Zealand-based agency TimeZoneOne hired Lor Gold as global chief creative officer. ... Former Taxi art director Jason Hill and copywriter Michael Murray joined the Toronto office of zig as ACD's. ... Tarah Feinberg joined New York-based agency Brand New World as creative director. ... Deutsch, Los Angeles alum Matt Jarvis joined 72andSunny as managing director. ... Toronto production company La Fabrique Films signed London-based comedy director David Wood to its roster. ... Ryan Dunn and Elliot Lim of Chicago-based production studio vitamin have formed the directorial team D?ppler. ... New York-based firm Broadway Video Entertainment added Dan Fisher to its editorial staff. ... Bi-coastal music house Yessian Music welcomed Howard Wulkan as director of creative development. ... Post-production studio Bionic and branding firm Flying Machine have formed a partnership in which the latter company's Micha Riss will serve as creative director on campaigns and projects.