Martin Davidson and Will Roth, former ACDs at Mullen, have opened DavidsonRoth in Winston-Salem, NC. ... New York's Version2 promoted producer Lydia Holness to head of production for the company's new motion graphics and design division. ... Portland's @Large Films hired director Dan Self, who previously worked with clients including McMillan Agency, HP and Clorox. ... London's Absolute Post Production hired Flame artist Hani AlYousif, previously worldwide operator trainer at Discreet. ... The Sweet Shop's New York office signed director Kathi Prosser. ... UK director James Pilkington joined The Sweet Shop for global representation. ... Director Sam Holst joined the Sweet Shop's new creative collective, The Rumpus Room.