Senor Thomas-Sowe is the Founder and Executive Vice Chair Royal Insurance Gambia Limited. Mrs Senor Thomas-Sowe started her insurance career with Senegambia Insurance Company Limited in 1987 where she rose to the rank of Deputy Manager before which she has been head of various departments. She joined Gamstar Insurance Company Limited in 1996 before joining Global Security Insurance Company limited in 1997 as immediate Assistant to the Managing Director.

She joined International Insurance Company Gambia Limited in December 2000 as Technical Manager where she rose to be the Managing Director for 10 years. She retired in February 2013 and was promoted to the Group as Group Chief Operating Officer-Insurance to oversee all the Insurance Companies in the FIBank Group; That is International Insurance Company Limited in Guinea, Liberia, Sierra Leone and The Gambia. She left in February 2014.

She is an alumnus of the College of Insurance and Risk Management (WAII), a Member of The Chartered Insurance Institute of London as well as Fellow of The West African Insurance Institute. She has attended various courses and Seminars both in The Gambia and abroad. Mrs Senor Thomas-Sowe is a Past President of The Insurance Association of The Gambia, Past President of the West African Insurance Companies Association (WAICA) and was a Member of the Governing Council and Academic Board of the West African Insurance Institute.

She is a Member of the National Business Council of the Gambia which is the highest business body of the Gambia Chamber of Commerce and Industry. She is a Director of the WAICA Re Capital Ghana a subsidiary of WAICA Reinsurance Corporation PLC. Sierra Leone. She is the founder and Executive Chair of Prestige World Travel Gambia and holds directorships in Group Investment Gambia (GIG). Previous directorship includes First International Bank (FIBank) Group and Gambia Radio and Television Services (GRTS).