Dean Mastrojohn, who formerly led global media relations at Pfizer, has come on board at Y&R PR, where he will serve as senior VP, integrated media.
At Pfizer, Mastrojohn worked with C-level executives and chief scientific officers to plan and manage media activities across the enterprise.
Before coming to Pfizer, he was communications director, North America at Reckitt Benckiser and corporate media relations manager, North America at Unilever.
He has also worked as corporate communications manager at KPMG and was an account supervisor at MWWPR.
In his new post, Mastrojohn will be responsible for leading scientific and corporate media relations across accounts and growing the Y&R PR integrated media team alongside senior vice president Jenifer Slaw.