CEO Eric K. Brandt to be its chief financial officer.
Brandt replaces Broadcom's acting financial chief, Bruce E. Kiddoo, who had served following the resignation last September of William J. Ruehle.
Avanir announced earlier Wednesday that it named Keith A. Kaitkin as its new CEO. Brandt had resigned the role on Monday, Avanir said.
Shares of Broadcom closed Wednesday at $34.05, up 1.9%.