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Management Team

The management team of Mainstream Energy Solutions Limited comprises highly skilled personnel with experience from various industries.

Managing Director/ Chief Executive Officer

Engr. Lamu Audu obtained his B.ENG Mechanical from the University Of Maiduguri. Prior to that, he obtained an Ordinary National Diploma and Higher National Diploma in Mechanical Engineering from Ramat College of Technology Maiduguri and Kaduna Polytechnic respectively.


Engr. Lamu started his career with Borno State Ministry of Works and Housing in 1986 immediately after completing his One year mandatory National Youth Service Corps with WRECA in Kano. He was with Borno State MOW&H as Principal Mechanical Engineer till when he moved to National Electric Power Authority (NEPA) as Manager (Mechanical) in April 1996. He attended many professional courses and training workshops, which included NEPA pupil Engineer/Technologist Development programme, Supervised Pupilage programme at Shiroro Hydro Power Station, Supervised Pupilage Programme at Lagos Thermal Power Station, Egbin, and Management Development Training programme by Accenture.


In June 2002, he was promoted to Senior Manager (Mechanical) at Kainji Hydro Power Station.


Engr. Lamu elevated to the position of Principal Manager (Turbine) in August 2008. A position he held for a period of just a little above one year before he was transferred to Jebba Hydro Electric PLC to take on the position of Assistant General Manager (Maintenance) in October 2009. In August 2011, Engr. Lamu was appointed MD/CEO of Jebba Hydro Electric PLC, a position he held till the completion of privatizing the Electricity sector. The Board of Directors of Mainstream Energy Solutions Ltd, the successor company that acquired assets of Kainji and Jebba Hydro Electric PLC appointed him as the MD/CEO of Mainstream Energy Solutions Ltd in October 2013. A position being held to date.


Engr. Lamu holds various Professional Qualifications such as:
Ø Member, Nigerian Society of Engineers (MNSE)
Ø Member, Council for the Regulation of Engineer in Nigeria (COREN)
Ø Member, Nigerian Institute of Engineering Management (NIEM)
Ø Member, Nigerian Institute of Mechanical Engineers (NIME)
Ø Member, World Energy Council (WEC)
Ø Member, Financial Reporting Council of Nigeria (FRCN)


In the course of his professional career, he attended a number of trainings and capacity building programme. Some of them include;
Ø Course on Power Plant Management in Accra, Ghana (June 2009)
Ø Course on Theory and Application on Incentive regulation (May 2011).
Ø Maintenance Training on Vibration and Balancing of large Composite Turbine and Compressor Shaft.
Ø Course in AVIRA Program by INSEAD Business School, Singapore (September 2014)
Ø High Performance Leadership Programme, Oxford (November 2016)


To honor his achievements, he was awarded the following;
Ø Fellow, Institute for Government Research Leadership Technology
Ø Fellow Institute of Credit Administration
Ø Doctor of Science (D.Sc.) Honoris Causa from Common Wealth University

Executive Director

Siraj Abdullahi studied Law at the University of Sokoto. He proceeded to the Nigeria Law School and was called to the Nigeria Bar in 1987. Siraj also holds a Postgraduate Diploma in Management Sciences and Masters Degree in Business Administration from Bayero University in Kano.


Siraj started a career in Banking at Continental Merchant Bank Plc in 1989. He attended many professional courses and Training workshops in credit analysis, Treasury management and Corporate Finance. He moved to Broad Bank of Nigeria as an Assistant Manager, worked for 2 years in the Credit and Marketing Department and was the pioneer Branch Manager of one of the new branches of the Bank opened in Kano during that period.


He moved to Guaranty Trust Bank Plc in 1997. A well trained Banker and experienced credit analyst Siraj worked in the Banking Industry up to 1999 when he was appointed the Special Assistant to the Honorable Minister of Commerce. He worked with the Minister of Commerce traveling extensively with the Minister during those years attending International meetings, seminars and conferences. He represented Nigeria at several Bilateral and Multilateral trade negotiations.


In September 2001 Siraj was appointed Deputy Director in the Corporate Affairs Commission of Nigeria. Together with a New Management Team at the CAC worked tirelessly for the rebirth of a more efficient and customer friendly CAC and the new online company registration for the Commission.


He returned to the Banking Industry and to Guaranty Trust Bank as Divisional Head North West in April 2004. He was responsible for Marketing and General administration in his division. He became General Manager and member of Executive Management in 2008 a position he held until July 2013 when he voluntarily resigned to take up his current job as Executive Director in Mainstream Energy Solutions Ltd, operators of Kainji and Jebba Hydro power plants and strong players in the emerging power sector in Nigeria.

Company Secretary

Atinuke Taiwo is the Company Secretary and General Counsel providing oversight on Legal, Compliance and Regulatory matters.


Atinuke has over 28 years working experience and extensive expertise in Legal, Management and Operational matters and has dealt extensively in corporate law, securities law, power sector reform, corporate/project/infrastructure financing, compliance, mergers and acquisition, including managing regulatory reporting and audit, driving policies and procedures, and delivering training.


Atinuke has worked in various companies including Bear Stearns Asset Management (USA), JPMorgan (USA), GE Commercial (USA) and FMDQ OTC Plc (Nigeria). She holds a Masters of Law from Northwestern University (Chicago), and is a member of both the Nigerian and International Bar Associations.

Head, Human Resource

Usman is an Executive Management staff of Mainstream Energy Solutions Limited, the Concessionaire for the Kainji and Jebba Dams Hydro Power Generation companies with responsibility for Human Resources Management


Usman has had over 27 years cognate experience mostly in some of the leading multinational and national companies in Nigeria and in various sectors like manufacturing, Oil and Gas, telecommunications, Consulting, Banking and the Federal Public sector.


Specifically, his employment history includes working in Empire Group Limited-a Financial services holding company, Agcomex Limited, a trading outfit, in the very early 1990s. He was also at various times with Nigeria Liquefied Natural Gas, (NLNG) MTN Nigeria Communications, Accenture, UBA and the Presidency.


He has an MBA from Ahmadu Bello University and has attended several training programs locally and abroad with relevant certifications. Usman is passionate about anything he is active in.


Chief Operating Officer

Jose Villegas has more than 30 years of experience managing operations of electric power generation and transmission systems with large global companies as Rus-Hydro International AG from Russia, EGE Haina from Dominican Republic, Pueblo Viejo Dominicana Corporation a subsidiary of Barrick-Goldcorp from Canada, Statkraft from Norway, Tinguiririca Energia from Chile, PSEG from United States, REP from Peru, ETECEN from Peru and ElectroPeru from Peru.


He was the Transmission Manager of the Peruvian National Grid with the largest transmission company from Peru and Colombia and he held positions of Maintenance Manager, Commissioning Manager and Plant Manager in hydro and thermal power plants in Peru, Chile, Dominican Republic and Nigeria.


Jose Villegas graduated with a Masters degree in Business Administration from De Los Lagos University Chile and an Engineer Degree in Mechanical Engineering from Universidad Nacional de Ingenieria from Peru.