Our Team

At OPII, we believe that our people are our biggest strength. Our aim is to be an equal opportunity employer, nurturing and developing a team of qualified nationals with the capabilities and shared vision to initiate and execute sustainable transformational change in Sierra Leone through infrastructure development.

Dr John E. Tambi

Dr John E. Tambi, Chairman

Dr John E. Tambi has over 40 years of experience as a leading aviation and transport infrastructure specialist consultant, advising national governments, the United Nations and International lending institutions. He worked for the UN, reporting directly to the UN Security Council Committee, the African Union, and other international institutions where he gained valuable experience in foreign policy, diplomacy and international partnership building. Prior to his position as Chair of OPII, he was the Senior Advisor for Transport Infrastructure at the AU/NEPAD Planning and Coordinating Agency as well as the Coordinator of the Presidential Infrastructure Champion Initiative (PICI) – an AU Initiative which entails the selection and championing of strategic regional and continental infrastructure projects with high developmental impacts by African Heads of State

He has served in senior and executive-level positions with one of the world’s leaders in the management of airports, ports, rail and transportation facilities – the Port Authority of New York and New Jersey, and in major international consulting firms. Dr. Tambi was the Chairman and Transport Expert for the UN Monitoring Group for Somalia and a member of the UN Panel of Experts for Somalia.

Dr. Tambi is also a registered aviation and transportation expert with the African Development Bank, the International Civil Aviation Organization, the UN Economic Commission for Africa, and the UN headquarters in New York.

Dr. Tambi has a PhD and MSc in Transportation Planning and Engineering from the Polytechnic Institute of New York University Brooklyn, New York, USA, and an MBA and MAS (Masters of Business Administration and Masters of Aeronautical Science) from Embry-Riddle Aeronautical University, Florida, USA, and a BSc in Aerospace Technology from the Indiana State University, Indiana, USA. He is a Fellow of the African Scientific Institute (ASI), a member of the Sierra Leone Institution of Engineers, and a former Board member of South African Airways (SAA), Mango Airlines, and Airlink Swaziland. He has a commercial pilot’s license with instrument and multi-engine ratings, having received his training at the Oxford Air Training School, Oxford, England, and is an expert on African aviation and transportation infrastructure development. His published work is regularly featured in international journals and he is a sought-after speaker for international aviation and transport infrastructure conferences and seminars.

Ing. Abdul Njai, Design and Project Management Engineer

Abdul Njai is a graduate of Fourah Bay College and Drexel University in Philadelphia, USA. He has over 25-years’ experience in Engineering Projects Management specialising in Civil/Geotechnical Works. He has worked extensively in various states along the East Coast of the USA as a Field Engineer, and he has designed and provided supervision for the construction of various high-rise buildings (commercial and private), bridges and site improvement programmes. He is a member of the American Society of Civil Engineers – the largest professional civil engineering network in the world, and the Sierra Leone Institution of Engineers.

Engineer Njai
Ing. Abdul Njai
Design and Project Management Engineer.

Desmond Abu
Business Development and Resource Mobilisation

Desmond Abu, Business Development and Resource Mobilisation

Desmond Abu brings over 25 years of experience in financial strategic planning, project management and leadership development from a range of organisations including HSBC Bank, JP Morgan Chase Bank and UNDP. He has a degree in Business Administration and an MBA in Executive Management. He has also gained qualifications in project management, digital marketing and management development and brings cross-cultural relationship building, business development and financial accountability and compliance to his role at OPII.

Ing. Magdalene Peters, Mechanical Engineer

Magdalene Peters holds a B.Eng. Honours in Mechanical Engineering from the University of Sierra Leone and is a Business Development and Engineering Professional with over 11 years’ experience. Before joining OPII, she held several roles, including Head of Operations at CeeDee Investment Co. Ltd a telecommunications company; and at the Sierra Leone Brewery Ltd as a Mechanical and Maintenance Engineer attached to the Engine Room and Packaging Hall. In 2015, Magdalene participated in the TechWomen programme, a US Government initiative which provides the next generation of female STEM leaders from Africa, Central and South Asia, and the Middle East with mentorship and career development opportunities. During this period, she worked with video conferencing firm – Polycom Inc. where she gained experience in project management.

Ing. Magdalene Peters
Mechanical Engineer