TPH Colorado - Denver
- Colorado native.
- Colorado Thunderbirds Alumni
- Following his time in youth hockey programs in Denver, Kostolansky played two seasons of prep hockey at Shattuck-St. Mary’s.
- He then played for the Chicago Steel of the USHL for one season before beginning his college career at the University of New Hampshire.
- Assistant Captain at UNH.
- Continued hockey career after college in the ECHL for three seasons.