Lieuwen, 20 years old, was drafted by the Buffalo Sabres in the sixth-round (167th overall) of the 2011 NHL Entry Draft.
Lieuwen most recently played in the Western Hockey League for the Kootenay Ice, where he posted a 27-20-6-2 record with a 2.50 GAA and .914 save percentage.
In his WHL career, he posted a regular season record of 85-59-8-7. Lieuwen also won the Memorial Cup in the 2010-11 season, while winning the Playoff MVP after going 16-2-1 with a 2.24 GAA and .923 save percentage.
Lieuwen is expected to begin next season with the Rochester Americans.