He made his professional debut at the 2006 Brian Boitano Skating Spectacular and has also worked as a coach .
Jahnke retired from competitive skating after the 2006 U.S. Championships .
Jahnke made Jahnke 's professional debut at the 2006 Brian Boitano Skating Spectacular and has also worked as a coach .
Jahnke retired from competitive skating after the 2006 U.S. Championships .