Sonya is a director of the Bank of Nevis Ltd., an indigenous bank on the Island of Nevis and the Bank of Nevis International Ltd., an offshore bank which is the subsidiary of the Bank of Nevis Ltd. She is the chairperson of the Audit Committee and a member of the Human Resources and Compensation Committee and the Marketing Committee for both banks.
Sonya is also one of the Governors of the Board of Governors of the Clarence Fitzroy Bryant College, St. Kitts and a member of the Academic and Student Affairs standing committee of the Board of Governors. She has served on the executive of the St. Kitts Nevis Chapter of the Red Cross. Sonya is also a Rotarian and a volunteer with the Nevis Cycling Club which in March 2011, successfully hosted on the Island of Nevis the first TriStar sponsored triathlon to be held outside Europe.
Sonya is a Notary Public in the Federation of St. Christopher and Nevis.