Bonnie D.Stroir
Early in 2011 , D . Stroir took time off from competitive roller derby to become the world's first full-time roller derby coach . She traveled the world to coach a wide variety of teams , and was appointed as Assistant Coach of Team USA at the 2011 Roller Derby World Cup . 
<triplet> Humboldt Roller Derby <subj> 2007 <obj> inception