Valerian did not enter a boxing gym until the age of 30. She went on to compete in 64 fights, beat 3 olympians and became a world top 20 boxer. She was Dominica's first boxer to win a medal at a continental championship and the first female boxer to represent Dominica on an international platform. She medalled at several international tournaments, boxed in 2 Commonwealth Games, 1 Pan American Games and is an England Boxing National Champion. In 2016, she was awarded Dominica's 'Sportswoman of the Year'. She is now an England Boxing Level 2 Boxing Coach.