 He has coached Haven Denney / Brandon Frazier (from Autumn 2012 to February 2015 and since 2018 again) and Vanessa James / Morgan Cipres (from June 2016).In December 2019, Zimmerman, Fontana, and fellow coach Vinny Dispenza, were named and accused in a United States Center for SafeSport investigation of covering up alleged sexual abuse committed by Ciprès via intimidation tactics.