(i) Resource Person – Scientific Activity titled “Foundation Post-graduate Course in Real Analysis, National Mathematical Center, Abuja, Nigeria, February 24 – March 7, 2014.
(ii) Participant: – Banach Algebras and Application Conference, July 29 – August 3, 2013, Chalmers University of Technology and University of Gothenburg, Sweden.
(iii) Participant: – Pan African Congress of Mathematicians (PACOM) 2013, July 1 – July 8, Abuja, Nigeria.
(iv) Problem Committee Member – 22nd Pan African Mathematics Olympiad (PAMO) 2013, June 24 – July 1, 2013, National Mathematical Centre Abuja, Nigeria.
(v) Resource Person – Scientific Activity titled “Third Session of Doctoral College” Jointly organized by CIMPA France and Department of Mathematics, University of Ghana, University of Ghana, Legon Accra April 29 – May 10, 2013. (Funded by CIMPA France and University of Ghana).
(vi) Resource Person – Scientific Activity titled “Foundation Post-graduate Course in Real Analysis”, National Mathematical Center, Abuja, Nigeria, February 11 – 22, 2013.
(vii) Participant – American and South African Mathematical Societies Satellite Conference on Abstract analysis, University of Pretoria, South African, December 5 – 7, 2011. (Funded by the University of Pretoria South Africa).
(viii) Participant – Joint Congress of the American and South African Mathematical Societies , Nelson Mandela Metropolitan University, Port Elizabeth, South Africa, November 29 – December 3, 2011. (Funded by London Mathematical Society and the South African Mathematical Society).
(ix) Resource Person – Workshop on Introduction to Index Theory via K-Theory and C*-algebras together with Applications to Physics, National Mathematical Centre, Abuja, Nigeria, June 27 – July 7, 2011.
(x) Participant – Second Buea International Conference on Mathematical Sciences and CIMPA Summer School on Mathematical Analysis with Applications to other Sciences, University of Buea, Cameroon, May 2 – 13, 2011. (Funded by CIMPA France).
(xi) Participant – Nigerian Mathematical Society Annual Conference, Lagos State University Nigeria, July 20 – 23, 2010.
(xii) Participant – Banach algebra and operator space techniques in topological group theory, May 17 – June 30, 2010. Research Visitor center, School of Mathematics, University of Leeds, United Kingdom. (Funded by FUNAAB, London Mathematical Society and the University of Leeds).
(xiii) Resource Person – Banach Algebra Workshop 2010, National Mathematical Center, Abuja, April 4 – 18, 2010.
(xiv) Participant – Second African Medal Award in Mathematical Sciences 2009 and International Conference of Mathematical Sciences NMC – ICMC – AMU – 2009, December 8 – 12, 2009. National Mathematical Centre, Abuja, Nigeria.
(xv) Participant – Sixth International Workshop on Contemporary Problems in Mathematical Physics (COPROMAPH6), (UNESCO Chair in Mathematical Physics), and Third COPROMAPH International School, October 31 – November 6, 2009 Cotonou, Republic of Benin.
(xvi) Participant – International Conference in Memory of Late Prof. C.O.A. Sowunmi, Department of Mathematics, University of Ibadan, January 15, 2009.
(xvii) Participant – Fifth International Workshop on Contemporary Problems in Mathematical Physics (COPROMAPH5), (UNESCO Chair in Mathematical Physics), and Third COPROMAPH International School, October 22 – November 2, 2007, Cotonou, Republic of Benin.
(xviii) Participant – 13th Edward Bouchet/ Abdus Salam Regional Workshop on Functional Analysis and Differential Equations and Application, University of Ghana, Accra, Ghana, July 8-15, 2007.
Participant – North British Functional Analysis Seminar, University of Nottingham, United Kingdom, March 2, 2007.
(xix) Participant – 12th Edward Bouchet/ Abdus Salam Regional Workshop on Functional Analysis and Differential Equations and Application, University of Ghana, Accra, Ghana, July, 2006.
(xx) Participant – International Conference in Mathematics in Honour of Prof. E.A. Akinrelere, Department of Mathematics, Obafemi Awolowo University, Ile-Ife, Nigeria, December 15, 2005.
(xxi) Participant – Workshop on Representation Theory in Geometry and Physics, August 12 – 17, 2005, IMSP, Porto-Novo, Benin Republic.
(xxii) Participant – 11th Edward Bouchet/ Abdus Salam Regional Workshop on Functional Analysis and Differential Equations and Application, University of Ghana, Accra, Ghana, 11 – 22 July, 2005.
(xxiii) Participant – 24th Annual Conference of the Nigerian Mathematical Society, Olabisi Onabanjo University, Ago – Iwoye, Ogun state, Nigeria, April 12 – 15, 2005.
(xxiv) Participant – 4th Symposium on Training and Research on PAN African Mathematics OLMPIANDS, University of Agriculture, Abeokuta, Nigeria, April 5 – 9, 2005.
(xxv) Participant – International Conference in Mathematics in Honour of Prof. E.O. Oshobi, Department of Mathematics, Obafemi Awolowo, Ile-Ife Nigeria, December, 2004.
(xxvi) Participant – 1st International Conference on Science and National Development, UNAAB, Nigeria, October 25 – 27, 2004.
(xxvii) Participant – Summer School and Conference on Non – Commutative Geometry, in ICTP Italy, August 9 – 27, 2004. (Funded by ICTP Italy).
(xxviii) Participant – West African Training School in Senegal between August and September 2003. (Funded by ICTP Italy and CIMPA France).
(xxix) Participant – Research Seminar in Functional Analysis, National Mathematical Center Abuja, Nigeria, December 1 – 4, 2003.
(xxx) Participant – African Mathematical Union / International Conference of Mathematical Sciences, University of Agriculture, Abeokuta, Nigeria., November 16 – 22, 2003.
(xxxi) Participant – International Workshop on Algebra, University of Agriculture, Abeokuta, Nigeria, December 1 – 7, 2002.
(xxxii) Participant Nigerian Mathematical Society Conference, UNAAB, Nigeria, September 29, 1999
(xxxiii) Participant – R.F.A. Abiodun Memorial Conference, UNAAB, Nigeria, May 21 – 23, 1998.
(i) Fellowships and Visiting Positions
1) London Mathematical Society Research Scheme 5 Fellowship to visit United Kingdom (January 28 – March 15, 2007). Visit to Queen’s University Belfast, University of Glasgow and University of Leeds, and a seminar is presented to functional analysis group in each of these Universities.
2) London Mathematical Society and University of Leeds Fellowship to visit University of Leeds, United Kingdom for Leeds Semester in Banach algebras, May 17– June 30, 2010.
3) CIMPA France Fellowship to attend the Summer School on Mathematical Analysis with Applications to other Sciences, University of Buea, Cameroon, May 2-11, 2011
4) London Mathematical Society Fellowship to attend the Joint Meeting of American and South African Mathematical Societies in South Africa (Nov/Dec. 2011).
5) University of Pretoria Research Visit Fellowship December, 2011.
6) University of Pretoria Research Visit Fellowship August/September 2012.
7) Visiting Researcher – African Institute of Mathematical Sciences (AIMS), South Africa, August 5 – September 30, 2013.
8) Invited Talk: Topological Seminar, University of Cape Town, South Africa, August 12, 2013. Title: Various Notions of Amenability in Banach Algebras.
9) Invited Talk: Department of Mathematical Sciences, Mathematics Division, Stellenbosch University Colloquium. August 30, 2013. Title: Notions of Amenability in Banach Algebras.
10) Invited Talk: Department of Mathematical Sciences, Mathematics Division, Stellenbosch University Colloquium. September 6, 2013. Title: Relations Between Notions of Amenability and the Structures of the Algebras.
11) Invited Talk: University of WITS South Africa, School of Mathematics and John Knopfmacher Centre for Applicable Analysis and Number Theory. September 10, 2013. Title: Relations Between Notions of Amenability and the Algebras.
12) Invited Talk: University of WITS South Africa, School of Mathematics and John Knopfmacher Centre for Applicable Analysis and Number Theory. September 12, 2013. Title: From Amenable Groups to Banach Algebras Amenability.
13) Research Visit: University of Witwatersrand, South Africa, September 8-11, 2013
14) Research Visit: University of Pretoria, South Africa, September 12 – 15, 2013