Kiselak attended Pine Bush High School, where he played as a two-way player (defensive and offensive tackle).
[3] He was a regular starter as a senior and after his game against Wake Forest University, he was named the Atlantic Coast Conference Offensive Lineman of the Week.
[4] Kiselak was signed as an undrafted free agent by the Kansas City Chiefs after the 1990 NFL draft on May 1,[5] and was waived on August 27.
[6] In 1991, he was selected by the San Antonio Riders in the fourth round of the WLAF Draft, playing in the inaugural season of World League of American Football.
On April 4, 1996, he was traded before the season started to the Toronto Argonauts in exchange for offensive tackle John Terry.
[12] Kiselak played center for the Argonauts, where he protected Doug Flutie and helped the team win two Grey Cups.
[14] In 2001, he came back from his knee injury and was selected in the 14th round of the XFL supplemental draft by the San Francisco Demons.