After a career as Consultant Nephrologist (kidney specialist) at the Queen Elizabeth Hospital and Senior Clinical Lecturer at the University of Birmingham, England. Dr. Adu returned to Ghana in 2009 to take up an appointment as Honorary Consultant Nephrologist at the Korle Bu Teaching Hospital and Senior Research Fellow at the University of Ghana Medical School.
Dr. Adu is a Principal Investigator in the Human Hereditary and Health Africa Kidney Disease Research Network grant which is funded by the National Institutes of Health in the USA to study the genetics of kidney disease in Africa. He is also the immediate past President of the African Association of Nephrology.
Dr Adu is a Fellow of the Royal College of Physicians of London and the Ghana Academy of Arts and Sciences. He is a member of the Acute Kidney Injury Committee, the Africa subcommittee and the Research Committee of the International Society of Nephrology. Dr. Adu has over a hundred and fifty research publications.