1. Member, Nigeria Society for Microbiology – 1986
2. Member, New York Academy of Sciences – 2002
3. Member, American Society for Microbiology – 2004
4. Member, Science Association of Nigeria – 1989
5. Treasurer, Nigerian Society for Microbiology – 1986 — 1990
6. Secretary, African Regional Network for Microb. – 2002 — 2004
7. Secretary, Nigerian Society of Microbiology – 2002 — 2006
8. Vice-President, Nigerian Society for Microbiology – 2006 — 2010
9. President, Nigerian Society for Microbiology – 2010 — Date
