<P> When Guyana became a republic under the leadership of Forbes Burnham in 1970 , the National Assembly elected Chung as the country 's first President ; he took office on March 17 , 1970 . Ten years later , a constitutional revision transformed the presidency into an executive position , and Burnham succeeded Chung as President on October 6 , 1980 . </P>
who was the first executive president of guyana
Forbes Burnham