 In November 2017, Olisa succeeded Adedotun Sulaiman as the Chairman of Interswitch and in 2018 he joined the Board of Huawei (UK).Olisa was appointed as an Officer of the Order of the British Empire in the 2010 Birthday Honours for services to Homeless People in London, a Commander of the Order of St John in 2017, and a Knight Bachelor in the 2018 New Year Honours for services to Business and Philanthropy.Olisa was appointed Lord-Lieutenant of Greater London on 29 May 2015.