Adrian Stewart will join Pacific Investment Management Co. in Sydney as executive vice president and head of PIMCO Australia.
Mr. Stewart will replace John Wilson, who left PIMCO in mid-2013, said a spokeswoman.
Starting in August, Mr. Stewart will report to Eric Mogelof, who was appointed Wednesday as head of PIMCO Asia-Pacific.
Mr. Stewart joins PIMCO from Macquarie Group, where he served as head of wholesale distribution and marketing, said a PIMCO news release. Macquarie spokeswoman Navleen Prasad couldn't immediately be reached for comment.