Tad Hilgenbrink was 23 in American Pie Presents: Band Camp when he played the character 'Matt Stifler'.
That was over 18 years ago in 2005.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 42, and has starred in 10 movies in total, 8 of those since American Pie Presents: Band Camp was released.
In American Pie Presents: Band Camp, I think Tad Hilgenbrink looks: