|Membership of professional bodies:
1. Member: Technical Committee for the Implementation of the National Health Act. April 2015 -
2. Co-Chairman: National Health Care Financing and Equity Technical Working Group. Dec 2014 -
3. Lead Technical to the Federal Ministry of Health/Member: Technical Committee: The Presidential Summit on Universal Health Coverage. October 2013 to March, 2014. Abuja, Nigeria.
4. Member: Malaria Eradication Scientific Alliance (MESA) Peer Review Panel 2014
5. Member: UNAIDS HIV Economics Reference Group April 2013 till date
6. Member: Scientific Committee. International Health Economics Association (iHEA). 2012-2013
7. Member: Scientific Committee. African Health Economics and Policy Association (AfHEA), 2012 till date.
8. Fellow: Malaria Capacity Development Consortium (MCDC), London School of Hygiene and Tropical Medicine, 2010 til date.
9. Acting President: Nigerian Health Economics Association, 2010 till date
10. National Coordinator: Nigerian Malaria Control Assooiation, Nov 2009 till date
11. Co-Leader, Malaria Tract: Third International Conference for Improving Use of Medicines (ICIUM), 2010 to date.
12. Member: Initiative for strengthening health research capacity in Africa (ISHRECA), 2010 to date
13. Member: WHO Scientific Resource Group (SRG) on Equity Analysis and Research. WHO, Geneva, October 2009 till December 2012
14. Member: WHO/AFRO Task Force on Immunization (TFI), WHO, Brazzaville, September 2009 to 2013
15. Member: Technical Committee for the Development of Nigerian Strategic Health Development Plan. Federal Ministry of Health, November 2008 till date.
16. Member: WHO/TDR Thematic Reference Group on Social Sciences and Gender/TDR Think Tank, WHO, Geneva, September 2008 till date. The TDR think tank
Group comprises over 150 worldwide experts focused on a variety of scientific topics related to infectious diseases of poverty.
17. Member: Technical Working Group on the Nigerian Health Investment Plan. Federal Ministry of Health, April 2008 to November 2008.
18. Member: WHO/AFRO Scientific Committee, Pan-African Conference on Primary Health Care, Health Systems and MDGs. 2007 to 2008.
19. Member: National Committee for the Control of Neglected Tropical Diseases, Federal Ministry of Health, 2007 till date.
20. Member: National Committee on Health Research, Federal Ministry of Health, 2006 till date
21. Member: Forum on evidence-based health policy making in Nigeria. The Nigerian Academy of Science, November 2006 to 2009.
22. Member: Technical Working Group on the Nigerian Health Financing Policy. Federal Ministry of Health, 2006 to 2007.
23. Member: Steering Committee, National Health Accounts Programme, Federal Ministry of Health, Nigeria, April 2004 to 2006.
24. Member: Technical Committee, National Health Accounts Programme, Federal Ministry of Health, Nigeria, April 2004 to 2006.
25. Advisor to Anambra State Government on the Community-health care financing programme, 2004.
26. Member: Core group on sustainability analysis of community-directed treatment with ivermectin programme. African Programme for Onchocerciasis Control (APOC). 2001 to 2004.
27. Member: International Network for the Rational Use of Drugs
28. Member: American Society of Tropical Medicine and Hygiene
29. Member: American Public Health Association.
30. Member: Nigerian Health Economics Association (NiHEA)
31. Member: Health Systems Global
32. Member: Nigerian Malaria Network (NiMNET)
33. Member: West African Health Economics Network (WAHEN).
34. Member: African Health Economics and Policy Association (AfHEA)
35. Member: International Health Economics Association (iHEA).
36. Member: Sub-Committee, National Onchocerciasis Control Programme (Zone A). 1995 to 1996
Publications (Articles and Journals)