Bachelor of Medicine, ChB, University Nairobi, Kenya, 1974. Doctor of Medicine, University Nairobi, 1985. Diploma in Psychological Medicine, University London, 1978.
Intern Ministry of Health, Kenya, 1975-1976, resident in psychiatry Kenya, 1976-1977. Registrar in psychiatry Institute Psychiatry, London, 1977-1981. Lecturer psychiatry University Nairobi, 1981-1983, senior lecturer, 1983-1988, professor, since 1988.
Consultant Kenyatta National Hospital, Mathare Hospital, Nairobi Hospital, since 1981.
Member Kenya Medical Association (director Voice of Kenya Health Program), Kenya Psychiatric Association, African Psychiatric Association, African Association Family and Sex Therapists, Royal College Psychiatrists United Kingdom.
Married Rose Mbithe Mulwa. Children: Mutindi, Nzuki, Wayua, Mulwa.