After going undrafted in the 2010 NBA draft, he joined the Indiana Pacers for the 2010 NBA Summer League. He later signed with ČEZ Nymburk of the Czech Republic. Koch played sparingly, and was ultimately released in December 2010. In February 2011, Koch was acquired by the Bakersfield Jam of the NBA Development League. He played the remainder of the 2010–11 season, averaging 6.2 points and 4.5 rebounds.