The Canton (Mich.) native has led the Lincoln Stars to the USHL's Western Conference finals. Willimas put together a stellar regular-season for the Stars in 2011-12 as he posted a 20-4-3 overall record with a 2.61 goals against average and a .907 save percentage. His four losses were the fewest among USHL goaltenders that appeared in at least 25 games while his four shutouts tied for third in the league. He originally broke into the USHL during the 2009-10 campaign with the Des Moines Buccaneers and won eight games during his tenure with the team. He then recorded a 27-10-6 mark with the NAHL's Owatonna Express in 2010-11 while registering a .921 save percentage.