Meet Our Leadership
Guiding Mandilas with experience, integrity, and a commitment to long-term value.
Our executive team brings decades of industry expertise across mobility, HVAC, engineering, and infrastructure.
Together, they drive innovation, operational excellence, and sustainable growth across all Mandilas businesses.
Together, they drive innovation, operational excellence, and sustainable growth across all Mandilas businesses.
Leadership Built on Responsibility and Vision
At Mandilas, leadership is defined by accountability, strategic foresight, and a deep commitment to customers, employees, and communities.
Our executives guide the organization with a focus on operational excellence, ethical governance, and sustainable development across Nigeria and beyond.
Executive Team
Ola Debayo-Doherty
Vice Chairman
OLA DEBAYO-DOHERTY joined Mandilas in 2018 as the Group Chief Executive Officer charged with leading the company through its restructuring exercise....
Executive Team
Ola Debayo-Doherty
Vice Chairman
OLA DEBAYO-DOHERTY joined Mandilas in 2018 as the Group Chief Executive Officer charged with leading the company through its restructuring exercise. She is the first African to attain the position since the Group started operations 70 years ago.
Ola joined the Mandilas Group from IBILE Oil and Gas Corporation where she was the pioneer Managing Director/Chief Executive Officer. Prior to this role, she was at Shell Petroleum Development Company of Nigeria Limited, Shell International, United Kingdom and Arthur Anderson where she served in Finance, Management Consulting, Strategic Business Development and Project/Process Management functions at senior and management levels in and outside Nigeria.
She is a strong program and project management professional with a Master of Business Administration (M.B.A) from Canisius College (USA) and Bachelor of Science (B.S.) Accounting degree from D’Youville College (USA).
Vlassis Liakouris
Group Managing Director
Vlassis Liakouris accomplished MD/CEO with 25+ years of Private Equity and Operational experience in Sub-Saharan Africa and South-eastern Europe...
Executive Team
Vlassis Liakouris
Group Managing Director (G.M.D)
Vlassis Liakouris ccomplished MD/CEO with 25+ years of Private Equity and Operational experience in Sub-Saharan Africa and South-eastern Europe. Proven track record of driving profitable growth and creating sustainable shareholder value.
Pal Singh
General Manager, HVAC-R
Pal Singh is the General Manager of the Air-conditioning division.
Qualified as HVACR engineer, he is a member of the American Society of...
Executive Team
Pal Singh
Chief Operating Officer
Pal Singh is the General Manager of the Air-conditioning division.
Qualified as HVACR engineer, he is a member of the American Society of Heating, Refrigeration and Air-conditioning Engineers. Pal has 28 years’ experience in large Air-conditioning and ventilation equipment from different Companies across the globe.
He is an expert in latest and advanced technology of HVACR engineering which is a unique service that aligns comfort and technology for Corporates.
Iyabusola Olorunfemi
General Manager, Legal Adviser/Company Secretary
Iyabusola Olorunfemi is the General Manager, Legal Adviser /Company Secretary of Mandilas Groupof Companies Limited....
Executive Team
Iyabusola Olorunfemi
General Manager, Legal Adviser/Company Secretary
Iyabusola Olorunfemi is the General Manager, Legal Adviser / Company Secretary of Mandilas Groupof Companies Limited.
Iyabosola is a lawyer with a wealth of experience in Legal practice. She graduated from University of Lagos where she obtained a Bachelor’s Degree in Law (LL.B), then proceeded to the Nigeria Law School where she obtained a Bachelor at Law (B.L). She is also a Chartered Company Secretary from the Institute of Chartered Secretaries and Administrators of Nigeria (ICSAN).
In the course of her career, she worked with Oando Plc, an integrated Oil and Gas Company for several years where she garnered the knowledge and skills as she rose through the ranks, in the Upstream, Mid-stream, Downstream and Power value chain of the Oil and Gas sector. She later joined IBILE Oil and Gas Corporation (IOGC), a State-owned entity as the pioneer Legal Adviser/ Company Secretary, where her immense value and contribution to the growth of the business and Board were recognised.
She has attended a number of Management and Commercial negotiation training from University of Dundee Scotland, Oxford Princeton London, Lagos Business School, Rocky Mountain Mineral Law Foundation Houston, Texas as well as Euromoney UK Legal Training.
She is a member of the Nigerian Bar Association (NBA) and an Associate Member of the Institute of Chartered Secretaries and Administrators of Nigeria (ICSAN).
Daisi Omidiji
General Manager, Mobility
Daisi Omidiji Daisi is a professional accountant with over 20 years’ experience across the broad spectrum of corporate finance...
Executive Team
Daisi Omidiji
Chief Commercial Officer
Daisi is a professional accountant with over 20 years’ experience across the broad spectrum of corporate finance.
He was Company Treasurer and rose to Head of Corporate Planning and Strategy at Promasidor Nigeria and later joined Timeless Holdings Ltd as the Chief Operating Officer. Prior to this, he had worked with MBC International Bank
He holds a B.Sc. degree from the Obafemi Awolowo University and an MBA from the University of Benin.
He is a Fellow of the Institute of Chartered Accountants of Nigeria and the Chartered Institute of Taxation of Nigeria.
He’s also a project manager – a PRINCE 2 Registered Practitioner and an Executive Master’s Certificate holder in Project Management from the Project Management College, UK. A member of many professional bodies both in Nigeria and UK
Tunde Okeremi
General Manager, Cooling (Service)
Engineer Tunde Okeremi Engineer Tunde Okeremi is a highly dynamic and result oriented professional with over 25 years of progressive...
Executive Team
Tunde Okeremi
General Manager, Cooling
Engineer Tunde Okeremi Engineer Tunde Okeremi is a highly dynamic and result oriented professional with over 25 years of progressive management experience mainly in the Oil and Gas and IT industry. She has effectively led and managed multi-discipline teams to deliver projects on time and within budget in the America, Asia, Europe and Africa. She continuously utilizes her leadership and communication skills to make sure that the goals and objective of the projects are well understood by all stakeholders and the executive management/client is carried along.
Client satisfaction is of topmost priority, so short and long- term analytical projections and a bird’s eye-view for a successful completion is a must for all her projects.
Engineer Tunde has extensive work experience in Deepwater Subsea, Topsides and Drilling Controls. She worked in engineering and project management roles in Subsea controls, intervention, surveillance for Shell USA and Nigeria; and as Drilling Controls Consultant for Exxon Mobil and Total in Offshore Norway, North Sea; Singapore and Offshore Brunei where she managed pre-commissioning, commissioning, system integration, startup for new and overhauled drilling rigs.
Engineer Tunde Okeremi has a Bachelor’s degree in Electrical Engineering from the University of Ilorin Nigeria, Masters in Business Administration (MBA) from Houston Baptist University, Texas US and Masters of Science (M.Sc.) in Electronics Communication and Computer Engineering from Nottingham University UK. She is a seasoned administrator and innovative leader.
Engineer Tunde Okeremi is a Member of the Institute of Electrical Electronics Engineers (IEEE), Professional Member of the Nigerian Society of Engineers (NSE), Registered Member Council for the Regulation of Engineering in Nigeria (COREN), Member, Society of Petroleum Engineers (SPE), Member Society of Women Engineers (SWE), Member Women in Energy Network (WEN).
