Hirtle Callaghan Hires Former Bryn Mawr College CFO to Join Its Endowment Team and Lead 3-D Risk Assessments for Clients PHILADELPHIA, Sept. 11, 2014 (GLOBE NEWSWIRE) -- Hirtle Callaghan, pioneers of the Outsourced Chief Investment Officer (OCIO) model, announced today that John W. Griffith, former Chief Financial...