In 1978, the same year he graduated from the University of Ibadan, he joined the
University College Hospital, Ibadan. In 1979, he left the hospital for
Sokoto for a compulsory year of service in the
National Youth Service Corps. On completion of his service, he worked for a year as a medical officer at Adeoyo Maternity Hospital, Ibadan, before returning to the college hospital as a senior house officer of the department of obstetrics and gynaecology. He held the position for one year before he was appointed registrar in 1982. In 1985, he left Nigeria for a research fellowship in the department of
medical oncology at
Charing Cross Hospital in London. Following completion of the fellowship programme, he returned to Nigeria to join the Royal Crown Specialist Hospital, Ibadan, where he spent four years before returning to the University College Hospital as Consultant obstetrician and gynaecologist. He began his academic career as lecturer grade I at the
College of Medicine, University of Ibadan, where he became a senior lecturer in 1992. On 1 October 1997, he was appointed a professor of medicine at the University of Ibadan, the same year he was appointed as a member of the University Senate. In 1999, he was appointed as acting head of the department of obstetrics and gynaecology. He served in that capacity for one year. On 1 August 2000, he was appointed as the Dean, Faculty of Clinical Sciences and Dentistry, a position he held until 31 July 2002. On 1 August 2002 he was appointed as provost, college of medicine and was succeeded by Professor Akinyinka Omigbodun. While serving in this capacity, he was member of the committee of provost and deans as well as chairman, university campus committee on
AIDS. He also served as chairman of the committee on evaluation of academic staff in 2004. On 1 May 2010, he became an adjunct professor at
Northwestern University in
Chicago. In December 2010, he was appointed as the 11th substantive vice-chancellor of the University of Ibadan, succeeding
Olufemi Bamiro, a mechanical engineering professor and member of the
Nigerian Academy of Engineering. Between 1989 and 1992, he was an editorial adviser to the
Nigerian Medical Journal and in 1997, he became a member of editorial board of the
Nigerian Journal of Medicine. He is currently serving as a member of oncology clinical reviews. He is also a member of the editorial board of
The Global Santé Journal. He has published over 180 scholarly articles and tens of books and has contributed to hundreds of other books as well.
Advocacy and medical politics Adewole is a
health advocator. He is a coordinator of the Campaign Against Unwanted Pregnancy, a multidisciplinary not-for-profit organisation consisting of medical practitioners, social scientists, nurses, and teachers. He organized a free cervical cancer screening campaign and was part of the team that introduced sexual rights into the curriculum of medical schools in Nigeria. He is involved in Nigerian medical politics. He was influenced by Dr. Kayode Obembe, the former president of the
Nigerian Medical Association, When Buhari declared him a wanted man, Adewole went into exile. In 1990 he was elected Secretary-general of the Nigerian Medical Association. He held the position for two years, and in 1993, he was elected chairman of the Oyo State chapter of the Nigerian Medical Association. In March 1992 he was elected assistant secretary-general of the Confederation of African Medical Associations and Societies, and after his tenure ended in August 1997 he was elected secretary of the African regional task force on the control of gynaecological cancers. ==Keynote speeches==