David Waldo, an honors graduate in geology from Texas A&M, has over 35 years of experience in petroleum exploration and development, with a particular focus on the creation, evaluation, and valuation of international oil and gas opportunities. He has supervised exploration teams on significant field development and due diligence projects in Africa, the Middle and Far East, the North Sea, and North and South America. Over the past ten years as a senior consultant with Gaffney, Cline, and Associates (GCA) he has been actively involved in the evaluation of shale plays in Canada, United States and most recently in South East Asia. Mr. Waldo has recently left GCA and is currently working as an independent geoscience consultant. He can be reached by his email at [email protected].