Dr. S.A. Okolo is currently the Managing Director of Zebbra Energy Limited an Oil Exploration and Production Company, with head office in Lagos. Dr. Okolo is a petroleum Eplorationist, a Geologist by training specializing in sedimentology. He worked for Texaco overseas petroleum company for 11years mostly in Nigeria but also in US and London. He also worked for Pan Ocean Oil Corporation for 20 years, firstly as the chief Geologist but subsequently as their Exploration Manager, General Manager (Exploration) and finally as the Group General Manager before, retiring to work for Zebra energy Limited as the Managing Director. He was the president of Nigeria Association of petroleum Explorationist (NAPE), a fellow of NAPE, a fellow Nigeria Mining & Geosciences (NMGS), American Association of Petroleum Geologist (AAPG) and International Association of sedimentologist (IAS). He was the chairman of oil producers Trade Section (OPTS Exploration Sub-Committee) of the Nigeria Chamber of Commerce and a Director of Nicon Insurance Corporation. Dr. S.A. Okolo studied at the university of Nigeria, Nsukka, university of Kentucky, U.S.A. and the University of Keele, Stafford Shire, England, where he obtained his first degree, Master Degree and Doctorate Degree in Geology respectively. He has attended many International Conferences in his area of specialization, author and co-author of many geological publications, and including six books. He has held several high positions in companies and organizations within and outside Nigeria since graduation.