Onyema was given the recognition at the recently completed West Africa Capital Market Conference held in Lagos on the 25th and 26th of October 2023. The Group CEO of NGX Group was the President of the African Securities Exchanges Association (ASEA) between 2014 and 2018. During his tenure as the pioneer chairman of WACMIC, he led the design of the journey map for Phase 1 to 3 of capital markets regional integration.
This period also saw the council securing funding partnership with African Development Bank (AfDB) for the project. The Phase 1 sponsorship access was implemented, and the first cross border transaction happened during his chairmanship.