ACI, The American Certification Institute, is a premier professional certification institute well-known in the United States and the world. ACI provides training, testing, and certification issuance for a number of important business-related programs, and does training for certifications issued by many professional institutes in the US. ACI maintains a close working association with US professional associations such as American Purchasing Society, International Purchasing and Supply Chain Management Institute, Global Negotiation Institute, Project Management Institute, Society for Human Resource Management and International Import-Export Institute, etc.ACI has numerous alliance partners worldwide. These alliance partners represent ACI in their respective countries and conduct ACI programs in collaboration with ACI. The alliance partner for Nigeria is ROSK & CHENE CONSULTANTS LTD.THE COMPETITIVE ADVANTAGEACI provides a "complete portfolio" of training, testing, and certification programmes. .The Certification programs of the ACI have been verified and determined to meet all the Quality Management System (QMS) requirements of International Organization for Standardization (ISO) Standard 9001.ACI instructors generally hold doctorates, most from prestigious American and foreign universities. ACI instructors are MANAGEMENT PRACTITIONERS as well as academicians and they have experience teaching students and know their learning styles.