Our Team

Richard Madubunyi is the Managing Director of Mabon Limited, an international energy and infrastructure company with interests spanning power generation, oil and gas services, and real estate across Africa, Europe, and North America. With more than 28 years of international experience across energy, finance, and investment-driven businesses, he has led the development, financing, and execution of complex projects across multiple regulated and emerging markets.

Under his leadership, Mabon has established itself as a recognised participant in Nigeria’s power sector and is the Concessioner and Operator of the 40MW Dadin Kowa Hydropower Plant in Gombe State. The Group continues to pursue expansion opportunities across power generation, renewable energy, energy infrastructure, and related industrial investments.

Richard also oversees Mabon’s activities in the oil and gas sector, where the company has executed major geophysical programmes including the largest 2D seismic and geochemistry survey in Nigeria and the largest Nigerian Span Survey, covering more than 100,000 kilometres offshore. These initiatives have contributed significantly to geological understanding and resource evaluation across Nigeria’s offshore basins.

Prior to joining Mabon, Richard served for 15 years as Chief Financial Officer of Magellan E&P Holdings Inc. in the United States, where he led finance, treasury, capital raising, and strategic planning for upstream oil and gas assets. In recognition of his leadership, he was nominated by the Houston Business Journal in 2012 for Best CFO in the United States.

Earlier in his career, he worked in London as a Financial Analyst Trainee at Goldman Sachs International before joining Sky Plc, where he held roles focused on capital expenditure analysis and financial planning.

Richard joined Mabon in 2003 as Director of Investments and Planning and has played a central role in shaping the Group’s long-term strategy, project development, and international partnerships. As Managing Director, he oversees Mabon’s investments, operations, and financial performance while leading engagement with governments, regulators, lenders, joint venture partners, and international stakeholders.

He holds a Master’s degree in Finance from Imperial College Business School in London and a Master’s degree in Advanced Chemical Engineering from Imperial College of Science and Technology. He earned his Bachelor’s degree in Chemical Engineering with honours from the University of Leeds and has completed executive education programmes at Harvard Business School.

Richard is an Associate Member of the Institution of Chemical Engineers and the Chartered Institute of Management Accountants in the United Kingdom

Umar Shehu Hashidu is the Chief Operating Officer of Mabon Limited, where he oversees operations
across all business subsidiaries and departments, ensuring the effective execution of the Group’s
corporate strategy, regulatory obligations, and long-term growth objectives.

Umar is an experienced energy and sustainability professional with over a decade of progressive
leadership experience in Nigeria’s energy sector. His expertise spans power generation operations,
distributed energy resources, regulatory compliance, stakeholder engagement, corporate strategy, ESG
integration, and enterprise risk governance. He is widely recognised for translating complex technical
and regulatory requirements into practical, performance-driven outcomes that strengthen operational
resilience and financial sustainability.

Before joining Mabon Limited, Umar spent several years at Kano Electricity Distribution Company
(KEDCO), where he served in senior leadership roles, including Member of the Executive
Management Committee and Head of Health, Safety and Environment. During this period, he played
a pivotal role in corporate strategy formulation, regulatory engagement, and operational
transformation initiatives within a highly regulated utility environment.

At KEDCO, Umar served as the focal person for the World Bank–supported Distribution Sector
Recovery Program (DISREP) and was instrumental in securing the company’s eligibility. He also led
the development of the utility’s Distributed Energy Resources strategy in collaboration with
international partners (Rocky Mountain Institute) resulting in improved power reliability, regulatory
standing, and operational efficiency.

Since joining Mabon Limited, Umar has been central to strengthening regulatory compliance,
improving power generation performance, enhancing revenue assurance, and embedding ESG
principles across the Group. His oversite covers hydropower operations, renewable energy expansion,
geophysical data sales, real estate asset management, Budget performance, workforce development,
and enterprise risk management. He also leads strategic engagement with regulators, investors,
development partners, and key industry stakeholders.

Umar holds a First Class MSc in Petroleum and Environmental Technology and professional
certifications in Project Management, Health, Safety and Environment (HSE) and ISO 45001. His
strong technical foundation, combined with a governance-focused mindset, underpins his approach
to building resilient, compliant, and high-performing energy businesses.

He is known for disciplined execution, strategic clarity, and the ability to lead complex, multi-
stakeholder operations in highly regulated environments. Umar remains committed to advancing

Nigeria’s energy transition, strengthening infrastructure resilience, and delivering sustainable long-
term value for shareholders, partners, and host communities.

Bashir Sufyan is an accomplished specialist in energy, infrastructure, utilities regulation, and
law, with more than 30 years of experience. He built his core expertise in Nigeria’s power sector
and also had international internships in Argentina, Spain, the United States and the United
Kingdom.

His areas of expertise include procurement and regulatory frameworks, power-sector policy,
market design, project management, corporate restructuring and privatisation. He participated
and closed major multilateral-funded projects financed by the World Bank, African Development
Bank, European Union, United States Trade & Development Agency (USTDA), West African
Power Pool and ECOWAS.
Bashir’s professional developme

nt includes certifications from the International Law Institute (Washington DC), University of Cape Town, Harvard Kennedy School, Institute for Public-Private Partnerships (Washington DC), International School of Nuclear Law (Montpellier France), University of Florida—Public Utility Research Centre, and East & Southern African Management Institute ESAMI (Arusha- Tanzania).

His years of distinguished public-service career gives him deep strengths in consensus building,
negotiation, risk mitigation and team leadership—assets he brings to Mabon as Director, Legal
& Regulatory Affairs.

Sulaiman Paienda serves as Chief of Staff within the Executive Management Department. In
this role, he acts as a trusted advisor and strategic partner, providing executive support,
cross-company coordination, operational oversight, and leadership on high-impact initiatives
across multiple company entities. He ensures alignment between executive priorities and
departmental execution, strengthens organisational effectiveness, and supports strategic
engagement with key stakeholders across jurisdictions.

With over 10 years of experience in the energy sector, Sulaiman has served in various senior
capacities, including Business Development Manager, Chief Commercial Officer, and Assistant
to the late Founder and CEO of Mabon Limited. Throughout his career, he has led commercial
strategy, project development, contract negotiations, partnership structuring, and corporate
growth initiatives, contributing significantly to organisational expansion and operational
excellence.

He holds a Master of Science (MSc) in Energy Economics and Policy, providing him with strong
analytical and policy insight into energy markets, commercial frameworks, and long-term
infrastructure development. His combined academic expertise and executive leadership
experience position him as a strategic contributor to sustainable growth and institutional
advancement.

Nkem Offonabo, widely known as The HARMONISERTM, is a Multi-Award-Winning Global HR Leader, Author, and Organisational Transformation Consultant with nearly two decades of experience spanning Financial Services, Consulting, and Investment Management.

She is recognised as one of Africa’s foremost voices in Human Capital Strategy, Workplace Well-being, and Performance Governance, providing executive-level advisory support to Boards, CEOs, and Leadership Teams.

Nkem holds a B.Sc. in Psychology and a Special Executive Management Programme (SEMP) MBA from the Metropolitan School of Business and Management, United Kingdom. She is a Senior Professional in Human Resources (SPHRi) certified by HRCI, USA, and an Associate of the Chartered Institute of Personnel Management of Nigeria (ACIPM).