About Interstate Architects

For 70 years, IAL has successfully delivered numerous landmark projects; with at least one major Building Project in every State of Nigeria including the Federal Capital Territory. Our clients include major Public and Private Sector Institutions.

Seven decades of investment in Personnel Development and Technology has resulted in a high standard of Professional Service. We believe in the efficient management of resources for the development of the Built Environment of Architecture, Urban Design and Planning.


Our Projects

Our Management

Festus Adeleke Adesina
Chairman of the Board

Joined Interstate Architects Ltd, then known as Watkins Gray Woodgate, Nigeria in June 1972 as a Project Manager. He later rose to the position of Managing Director of the company from January 1987 to 2000, by 2001 he had become the Executive Chairman, of the company.

With over fifty years involvement in the building Industry, he is highly experienced in project administration and management.

Olusegun P. Adetokunbo Ladega, FNIA
Managing Director, CEO

A Chartered and Registered Architect with 40 years’ consultancy practice experience in Architectural Design, Construction Contract Administration, Project Management, Facilities Management, Arbitration and Dispute resolution. His portfolio of successfully completed projects cover a diverse range of Building Types.

Well-known in the construction industry, Olusegun is a Past President of the Association of Consulting Architects Nigeria (ACAN), former National Treasurer Nigerian Institute of Architects (NIA) and a member the Board of Trustees, Guild of Adjudicators in Nigeria (GAIN).

Tubotamunonimi Ekine Ekine
Executive Director

Joined IAL as a Graduate Architect in 1992 rising to become Studio Manager, Resident Architect, Associate Director and currently, Executive Director in charge of our Abuja Office. Was responsible for the Supervision and Management of the CBN Head Office Project in Abuja.

The Project team under him then metamorphosed into our Abuja office. With three decades of Design, Contract Administration, Project and Facility Management experience. A member of the NIA, ARCON and an Associate Member of the Chartered Institute of Arbitrators, Nigeria.

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