Barrington is a consultant with NCS Financial Service Group, a financial service company with operations in the Turks and Caicos Islands. In 2016, Barrington retired as General Manager and CEO of the C&WJ Co-operative Credit Union Ltd after 22 years in that position.

He has over 40 years’ experience in economic research, general management, banking and finance and is a graduate of The University of the West Indies with degrees of MBA; BA; and Diploma – Management Studies. In his career in the credit union movement he served in numerous roles, including: Secretary of the Board of Directors, QNET Co-operative Society Limited; Director, and Chairman Investment and Finance Committee, Credit Union Fund Management Company; President, Jamaica Association of Credit Union Managers (JACCUM); and Director, Jamaica Co-operative Credit Union League.

Barrington has also served as Director and Chairman of the Audit Committee of HEART Trust NTA and Hon. Treasurer, Bible Society of the West Indies. Internationally, he has served the United Bible Societies (UBS) as: Vice Chairman of the Area Board of the Americas; Member of the Area Board Audit and Finance Committee; Member of the Global Board; and a Chairman of the Audit and Finance Committee of the Global Board. A Distinguished President & Charter Secretary of the Kiwanis Club of Liguanea, Barrington has served the Kiwanis Movement for over 35 years and is the Lieutenant Governor of Division 23 East for the administrative year 2019/2020.