Seth Oster, head of communications and public affairs for the Environmental Protection Agency, is stepping down for the top communications slot at KPMG.

seth osterBruce Pfau, the KPMG vice chair and human resources exec who has recently overseen communications, dubbed Osterís role as "the firmís chief communications officer," compassing all internal and external communications as well as "overall image building."

Oster is slated to join the audit giantís headquarters in Montvale, N.J., on Jan. 16 in the title of executive director of communications.

A senior advisor to EPA administrator Lisa Jackson, he exits the federal agency as associate administrator for the office of external affairs and environmental education.

He was appointed to the EPA by President Obama after leading global communications for the Motion Picture Association of America. Previous PR postings included the Screen Actors Guild, Sen. Diane Feinstein (D-Calif.), Hill & Knowlton and Napster.