Al Danforth is a regional geologist providing exploration consulting to large and small companies in Houston Texas. Retired after 30 years of new venture exploration in the international arena for Texaco and Chevron, he is a seasoned explorationist, knowledgeable in all aspects of the business of exploration, and experienced in many of the producing and frontier areas of the world. Focused on the regional geology of Africa and its conjugate margins, especially the historic and emerging plays of West Africa, his specialty is understanding petroleum systems in deltas, rift basins and salt tectonics provinces. Active in the International Explorationists Group of the Houston Geological Society, he is also organizer of an annual conference on Africa E&P convened jointly with the Petroleum Exploration Society of Great Britain (PESGB). Currently, he is principal geological advisor to ION-GX Technology on the design and interpretation of regional seismic surveys around Africa and its conjugate margins in the South Atlantic and Indian Ocean.