Buy-side finance professional Richard Brent Mattis, CFA, has the research ability to go broad in asset class range and deep in investment complexity. He looks off-the-beaten-path for the opportunity. At the Cleveland Clinic Investment Office, he specializes in idea generation, manager selection, and financial modeling for the CCIO's investment portfolios. CFA Charterholder. Mr. Mattis is a generalist involved in all aspects of managing a very large, institutional-quality multi-manager portfolio on behalf of the Cleveland Clinic's Investment Office (CCIO). He also spearheaded the due diligence and underwriting of eight funds: a global private equity fund, an infrastructure private equity f