David Lawrence is an expert geologist who has applied his expertise at Royal Dutch Shell in positions ranging from chief geologist to executive vice president. In addition to his work with Shell, David Lawrence presented as a Halbouty Keynote Plenary Lecturer at the 2011 Annual American Association of Petroleum Geologists (AAPG) meeting. Lawrence is also the recipient of the Wallace Pratt award for best paper in the AAPG Bulletin and a past AAPG Distinguished Lecturer.