Lall Ramnath Sawh CMT, FRCS (Edin) (born 1 June 1951) is a Trinidadian urologist in the Caribbean and Latin America. Based in Trinidad and Tobago, Sawh was a pioneer of kidney transplantation in the Caribbean in 1988 and is a recognized leader in the field of urology.

Based on that paragraph can we conclude that this sentence is true?
Sawh based his work in Trinidad and Tobago 
Yes