Pearman is to take on the role of marketing director across Europe, Middle East & Africa for General Mills, which sells brands including Yoplait, Nature Valley and Haagen Dazs.
He will leave his current job at the beginning of October and move to Switzerland for the General Mills job.
Pearman joined Bird’s Eye in 2007 as its marketing director overseeing the brand and reporting to general manager Anne Murphy.
Birds Eye Iglo is one of Europe’s largest frozen food producers and makes children’s teatime favorite Fish Fingers.
Pearman had previously held marketing roles with Heinz and Nestlé-owned Kit Kat and Nescafé.
Birds Eye Iglo, which is owned by private equity firm Permira, said it would announce a replacement for Pearman in the next few weeks.