Michael A. Forrester joined Copper Rock Capital Partners as principal and COO, said spokeswoman Kate Barrette. The position is new. In a telephone interview, Mr. Forrester said hell be responsible for all non-investment management functions at Copper Rock, a small-cap equity manager which has gathered roughly $3 billion in client assets since setting up shop in early 2005. Mr. Forrester was COO of DDJ Capital Management through the end of 2006. In the interim, he said, he worked to raise private equity for a business venture and joined the board of the TIAA-CREF funds.