Sir Ken Olisa is the Executive Chairman of The Positive Transformation Initiative. Sir Ken founded and led the AIM-listed technology merchant bank Interregnum after beginning his career at IBM. He now leads Restoration Partners and is a Past Master of the Worshipful Company of Information Technologists.

His business career has included serving as the first British-born black director of a FTSE-100 company, Reuters, and on the Boards of major companies including Open Text, ENRC, Huawei (UK) and Nigeria’s Interswitch. 

His charitable roles include President of London homeless charity Thames Reach, for which he received an OBE, Chair of welfare to work charity the Shaw Trust and founding Chair of the Aleto Foundation, supporting future leaders from tough reality backgrounds. In the past he has served as a Governor of the Peabody Trust and a Director of the West Lambeth NHS Trust. 

His wider public service roles have included inaugural membership of the Postal Services Commission and IPSA (IndependentParliamentary Standards Authority). 

In 2015 Her Majesty the Queen appointed Sir Ken as her Lord-Lieutenant of Greater London – the first British-born black Lord-Lieutenant in the role’s 500-year history. He was knighted in the 2018 New Year’s Honours for services to business and philanthropy.