Afterwards, he attended SUNY Purchase and graduated with a degree in Lighting Design from the Department of Design/Technology of the Division of Theatre Arts & Film.

After graduation MacDevitt spent a decade honing his craft with Off Broadway and other productions, and also developed a reputation as a teacher of design.

In fall of 2009, MacDevitt began working as an Associate Professor of lighting design at the University of Maryland, College Park, where he is still teaching.

[1] He also designed the revival of Neil Simon's Brighton Beach Memoirs, Broadway Bound and David Mamet's new play Race.

In the 2010 season he designed A Behanding in Spokane, Fences, Armida at The Metropolitan Opera, and Women on the Verge of a Nervous Breakdown.