Abraham Adewale Alade Osinubi was born on May 12, 1963, in Abeokuta, Ogun State, Nigeria, to Chief Zacchaeus Adeyemi Osinubi and Chief (Mrs.) Alice Afolake Osinubi. He attended All Saints' Anglican Primary School in Yaba from 1969 to 1975 and Government College, Ketu, Lagos, from 1975 to 1980, where he served as Head Boy and graduated with a Division One Distinction in the West African Examination Council examinations. He pursued Medicine and Surgery at the University of Ibadan, earning his M.B.,B.S. in 1987. He later obtained a Master of Science in Anatomy from the University of Lagos in 2000, a Ph.D. in 2086, and an MBA from Ahmadu Bello University, Zaria.^[1]

Professor Osinubi began his academic career at the University of Lagos on March 1, 2001, as a Lecturer II. After the completion of his doctorate in 2006 and the outcome of a peer-review assessment of his academic standing, the Lagos State University (LASU) appointed Osinubi as an Associate Professor and served as the Head of Department (HOD) of the Department of Anatomy, Lagos State University College of Medicine (LASUCOM) from 2008 to 2009. Following his return to the University of Lagos, Osinubi served as Head of the Department of Anatomy from 2010 to 2012. He held the position of Secretary-General of the Nigerian Society of Endocrinology and Metabolism (now known as the Endocrine and Metabolism Society of Nigeria) from 2009 to 2014 and was Treasurer for the American Association of Clinical Endocrinologists - Nigerian Chapter from 2009 to 2018. Osinubi was appointed Sub-Dean of the Faculty of Basic Medical Sciences at the University of Lagos from 2012 to 2014 and served as the Pioneer Editor-in-Chief of the University of Lagos Journal of Basic Medical Sciences from 2012 to 2016. He also held the position of Vice-President of the Endocrine and Metabolism Society of Nigeria from 2014 to 2017. He chaired several committees, including the Committee on Staff Training and Development for Non-Teaching Staff in the College of Medicine from 2015 to 2018 and the Faculty Committee for Biomedical Research from 2016 to 2020. In recognition of his contributions to academia, Osinubi was promoted to full Professor in 2015^[2] and delivered his inaugural lecture titled “The Anatomist: Jack-of-all-Trades, Master of all” on November 8, 2017.^[3] He is also noted for his role as Team Lead and Academic Leader for Case-Based Learning at the College of Medicine. In January 2023, he was appointed Director of the Medilag Consult Board. Osinubi currently serves as the Dean of School of Postgraduate studies, University of Lagos, and Vice-President of the Lagos University Medical Society. Throughout his career, Osinubi has supervised numerous doctoral theses and master's projects, authored over 120 scientific publications, and written two textbooks on Anatomy.^{[4] [5]} He is an expert on Teaching Innovations, especially in the design and use of Student-centred Learning and is the Team Lead for Case-Based Studies in the College of Medicine of the University of Lagos (CMUL).
Prof. Osinubi is also an Entrepreneur and Organizational Strategist teaches Leadership and Organizational Dynamics in schools and different fora around the world.

As the Pioneer Executive Director of the University of Lagos Business School (ULBS) from June 2018 to May 2022, Professor Osinubi led the school to secure approval from the National Universities Commission in July 2019. Under his leadership, ULBS became the first Nigerian school inducted into the Business Graduates Association, London, in August 2020, and was recognized by the Association of African Business Schools in May 2021. His tenure saw the commencement of programs such as the Executive MBA, Doctor of Business Administration, Executive Master of Public Health and Executive Master of Non-Interest Finance.^{[6] [7] [8][9] [10]}

Professor Osinubi’s research interests include Reproductive Endocrinology, Neuroendocrine Biology, and the role of free radicals and glutathione in health and disease. He co-authored the first and second editions of the National Clinical Practice Guidelines for Diabetes Management in Nigeria in 2012 and 2013, respectively.^[11] Between 2000 and 2006, Dr. Osinubi developed the quinine-testicular model, which has become the model of choice for studying fertility, male infertility and spermatogenesis. In addition, Osinubi described the biological rhythm of packed cell volume and blood glucose in the rat in Nigeria (2002; 2003); very important concepts in the management of anaemia and diabetes mellitus. For over two decades, Osinubi has passionately explored the intricate balance between oxidants, antioxidants, and other vital molecules in the pursuit of understanding health and disease. ^{[12][13] [14]} World Scientist Rankings 2023 ranks him among the top 2% of researchers in Nigeria and Africa.

He is a Fellow of the American College of Endocrinology (2009), the Anatomical Society of Nigeria (2016), the Society of Experimental and Clinical Anatomists of Nigeria (2019), the Academy of Medicine Specialists in Nigeria (2021)^[15], the Nigerian Academy of Medicine (2021)^[16], and the Endocrine and Metabolism Society of Nigeria (2022). On November 20th, 2021, Osinubi was presented the Global Impact Award by Max International, USA and was also given the Professor Herbert Nagasawa Global Award, for Consistency, Dedication and Integrity by Max International, USA on the 16th January 2022.^[1]

Professor Osinubi is married with children. He is actively involved in community service and contributes to national development through health awareness initiatives and seminars.^[1]