HHS chief Walsh stepping down, Mahaniah named successor New secretary has built experience in the North Shore health care sector

HHS chief Walsh stepping down, Mahaniah named successor New secretary has built experience in the North Shore health care sector

After a more than two-year tenure in which she charted the state's path through the tumultuous Steward Health Care collapse, Health and Human Services Secretary Kate Walsh will step down and hand the reins over to Undersecretary Kiame Mahaniah at…