Knowledge. Innovation. Education.
Shaping the future of African education with world-class publishing, research support, and academic materials from Ibadan, Nigeria.
GISS Knowledge Hub
Digital & Print Resources | Research Repository | African Scholarship
About GISS Publishers
Empowering minds, shaping the future — Nigeria's trusted educational publisher.
Our Vision
To be Africa's leading publishing house, fostering knowledge development globally.
Our Mission
Deliver high-quality educational materials and consultancy for lifelong learning.
Core Values
Integrity, Excellence, Innovation, African Perspective, Global Standards.

Olutunde Olabamiji Adeosun
Olutunde Olabamiji Adeosun is the Founder and Publisher of GISS Publishers, bringing years of experience in editorial and educational publishing. He has held editorial roles at World Book, Bounty Press Limited, and University Press PLC...
Olutunde holds a Master’s degree in Publishing and Copyright Studies from the University of Ibadan, a Bachelor of Arts degree in Philosophy from Olabisi Onabanjo University, and a Higher National Diploma in Mass Communication from The Polytechnic Ibadan. He built a distinguished career in publishing, including his role at University Press PLC, where he worked in the Special Publications Unit, overseeing the production of literature, curriculum-based books, biographies, autobiographies, memoirs, and other titles. In April 2025, he founded GISS Publishers with a vision to raise the standard of educational and general publishing in Nigeria.
Our Premium Services
Projects & Portfolio
Ibadan School Libraries Project
Printed 50,000+ educational pamphlets for Oyo state schools.
View Case StudyNational Literacy Campaign
Designed & published early-reader series in 3 Nigerian languages.
See ImpactPublishing Insights & News
Get In Touch
Office Address: Block C52, Scout Camp International Market, Challenge, Ibadan, Nigeria.
Phone: +234 805 593 3758
Email: adeosuntunde2@gmail.com
WhatsApp: +2348055933758
We'll respond within 24 hours.