International Federation of BodyBuilding and Fitness professional and Mr. Olympia competitor who is recognized for having taken first place at the IFBB EVLs Prague Pro event in 2017. He has amassed more than 1.3 million followers on his roellywinklaar Instagram account.
He competed in the Arnold Amateur competition in 2009.
In 2015, he placed in 6th at the annual IFBB Arnold Classic Australia event.
He has a brother named Quincy Winklaar.
He was photographed with fellow bodybuilder Markus Rühl at an event in 2017.