SunTrust Robinson Humphrey has hired four finance industry executives to its capital markets team. The firm hired Ron Caldwell and Akis Psarris as managing directors, and Ricardo Simon and Matt Holbrook as directors. Caldwell joins SunTrust Robinson as head of Healthcare Syndicated & Leveraged Finance after 14 years at Bank of America Merrill Lynch. Psarris has joined the firm’s Liability Management practice from Lloyds Bank. Simon, who will head up SunTrust Robinson’s Commercial Real Estate & REIT Syndicated Finance practice, came from Wells Fargo, and Holbrook joins the Syndicated & Leveraged Finance group from Bank of America Merrill Lynch.