D. Ronald Harrell, P.E.
D. Ronald Harrell is an Operating Executive focused on the energy credit business within Global Credit. He is based in Houston.
Mr. Harrell is a licensed Petroleum Engineer in three states and continues to serve as Chairman Emeritus of Ryder Scott Company from which he retired after 38 years of service. He remains active in industry matters through memberships in several professional organizations and serves on several boards and advisories of public, private, university and non-profit organizations.
He has received several local, national and international awards from three universities and two professional societies.