​Clem Efevawere-Onowotu is a law graduate from the University of Portsmouth, England, United Kingdom. Also, Clem holds an LLM in International Dispute Resolution specialising in international commercial arbitration. Clem's professional career was preceded by a career in business as the chairman of Sparrowserve Nigeria and a consultant at Sparrowserve in the United Kingdom. In 1995, Clem established the Clem Efevawere-Onowotu Foundation and has been President of the Foundation, which holds annual youth events on career talks, conferences, and sporting activities. The Foundation now owns and runs a nursery/primary and secondary school, which were founded on 30th September, 2024. Clem volunteers at the Greater London Authority - Team London Ambassadors, and the yearly Legal Walk organised by the London Legal Support Trust. In 2012, Clem became a Guinness World Record holder after his participation in the Team London Ambassadors Treasure Hunt. Clem is an associate member of the International Law Association, British Branch, member, and Young Legal Aid Lawyers.