Andrew Hall, formerly VFX and animation supervisor at CreoCollective, has joined L.A. effects house A52 as CG supervisor. ... Dutch director Paul Vos has signed with Beverly Hills' Saville Productions for exclusive commercials representation in North America. ... In preparation for next month's departure of CEO Charles Day and COO Christine Tardio, postproduction company The Whitehouse -- which has offices in London, New York, Chicago and Los Angeles -- has announced a new management structure. Company veteran Melissa Thornley will become managing director, Dan McGraw will serve as director of strategic development and technology, Sue Dawson will become director of post production, Lacey Halama will serve as director of operations, and Joe Ruble will be the company's director of finance.