Alex Costantino was born in Baltimore, Maryland and attended the Kansas City Art Institute as a printmaking student, earning a BFA. He also attained an MFA some years later at the University of South Florida. He lives in Vermont.

In addition to bouncing around the US, he has worked in a variety of media, focusing most recently on ceramics. Most of his newer work features sgraffito, an ancient decorative method, to create imagery that carries a graphic aesthetic. He is represented by Maison Kasini in Montreal.