Guinle entered politics as Government Secretary for the Municipality of Comodoro Rivadavia in 1986. He was appointed Minister of Government, Education and Justice for Chubut Province by the newly elected Governor Néstor Perl in 1987, and he served in the post until 1989.
Guinle began his political career as the Government Secretary for Comodoro Rivadavia in 1986. He was appointed Minister of Government, Education, and Justice for Chubut Province by Governor Néstor Perl in 1987, and held this position until 1989.