During Wojciechowski's career, the Duke Blue Devils achieved an 87-44 record, won the ACC regular season championship in the 1996-97 season, and played in the NCAA South Regional final in the 1997-98 season. During his senior year, Wojciechowski earned NABC Defensive Player of the Year honors, and was an honorable mention All-American.
He is ranked eighth at Duke for career steals (203) and eighth for career assists (505). He also achieved the second highest number of steals in a single season with 82 in 1997.
Following his graduation from Duke, Wojciechowski was undrafted in the 1998 NBA Draft, and played professional basketball in Poland for a year. He returned to Duke in 1999 as an intern in the Duke Management Company and was a basketball analyst on the Duke Radio Network.
Wojciechowski was then offered a coaching job by Krzyzewski and began his career as an assistant coach in 1999, and was promoted to associate coach in 2008. Wojciechowski coached Duke's frontcourt players. The Blue Devils won the NCAA championship in 2001 and 2010.