lawrenceDallas Lawrence, who led corporate affairs for toymaker Mattel, has moved to the Rubicon Project, the online advertising technology company, in a top PR role.

Lawrence takes the title of SVP and head of corporate commumnications for Los Angeles-based Rubicon, which went public in a successful IPO in April that raised $101.5M.

He left Mattel in August after a year with the El Segundo-based toy giant. He was chief global strategist for Burson-Marsteller and senior VP for Levick guiding the Washington firm's social and digital media operations.

Rubicon posted first quarter revenue of $23M.

James Aldous is director of PR and corporate comms. at Rubicon.

Lisa Marie Bongiovanni heads strategic marketing and communications for Mattel.