Can we draw the following hypothesis from the context? 

Context:

Sebo Walker (born April 28, 1988) is a professional skateboarder and artist living in Venice, Los Angeles who is best known for winning the Red Bull Manny Mania Amateur U.S. Championships in 2011 and for living in his Chrysler Town and Country van in West LA from 2010–2015.

Hypothesis: Sebo Walker is not an amateur skateboarder.
Yes