in Europe. 2013–2019 He was the assistant Bishop, Chelmsford, Vicar of Barking, St. Margaret of Antioch, Barking. Bishop Mwamba was also a member of the civic ministry to the London Borough of Barking and Dagenham. 2005–2013 He was the Bishop of Botswana and the Church of the Province of Central Africa - comprising Botswana, Malawi, Zambia, and Zimbabwe. He performed all spiritual and temporal functions of a Bishop. He presided at official state occasions, including the Inauguration of the President of Botswana, Seretse Khama Ian Khama, the Annual Openings of the Judicial Legal Year of the High Court of Botswana. Bishop Mwamba maintained excellent working relationships with all levels of government which he still holds to this day. He forged strong relationships with diplomats from many countries. Officiated at diplomatic functions, as speaker and leading prayers. 2008 Bishop Mwamba was a participant in a foreign policy discussion with two former American national security advisors, General Brent Scowcroft and Professor Zbigniew Brzezinski, at the Washington National Cathedral. During this time he also acted as mediator for the province of Central Africa, focusing on conflict resolution. He has cultivated strong working relations with international organizations, served on the UN Civil Society Advisory Committee and officiated at the Southern Africa Development Community Parliamentary Forum (2007). Bishop Mwamba was regularly invited to speak on global issues by various institutions. He was the official liaison for the All Africa Conference of Churches to the Southern Africa Development Community and facilitator at the 2008 Lambeth Conference. He also coordinated the amendments to the constitution of the Council of Anglican Provinces in Africa. Bishop Trevor Mwamba was responsible for the increase of the Diocese of Botswana's Real Estate portfolio significantly by purchase and development. 2002–2005 Bishop Mwamba was Vicar General, Diocese of Botswana, he performed all spiritual and temporal functions in the Diocese in the absence of the Bishop. He drafted constitutions for the Botswana Council of Churches and Young Women’s Christian Fellowship. 1999–2005 Bishop Mwamba was the Head of Legal & Compliance, Corporate Affairs and Company Secretary for Standard Chartered Bank Botswana Limited. (Concurrent roles) He ensured the Bank operated to highest standards of conduct and compliance with all regulatory requirements of the Bank of Botswana (Reserve Bank) and Group Compliance policies. He initiated and managed pro-active advisory service in regard to issues which could have a significant legal impact, to ensure compliance with regulatory framework