Richard P. Marra was named senior consultant at Pavilion Advisory Group, according to spokeswoman Deanna Allen.
The position is new. Mr. Marra is based in St. Louis.
Mr. Marra will work with pension fund, foundation, endowment and not-for-profit health-care clients, Ms. Allen said.
Mr. Marra was partner and health-care segment leader at Mercer Hammond. Charles Salmans, Mercer spokesman, said his duties will be assumed by others at Mercer Hammond.