Donohue teamed up with Piper Gilles ahead of the 2008–2009 season. Making their international debut, they won gold at the 2008–09 ISU Junior Grand Prix event in Ostrava, Czech Republic. They took silver at their second assignment, in Cape Town, South Africa. Their results qualified them for the 2008–09 Junior Grand Prix Final in South Korea but they withdrew before the competition due to an injury to Gilles. They won the junior bronze medal at the 2009 and 2010 U.S. Championships.