Rentsch’s work has been exhibited worldwide, including a solo show at the Musée de l’Elysée in Switzerland, and is part of The Polaroid Project, a seven-museum exhibition of artists who have used the Polaroid film. His work is in many museum collections such as the Museum of Fine Arts in Houston, the Chrysler Museum of Art in Norfolk, the Musée de l’Elysée in Switzerland, the Musée de la Photographie in Belgium, the Museet for Fotokunst in Denmark, the Heckscher Museum of Art in Huntington, the Swiss Foundation of Photography, and the Polaroid Collection. He is the recipient of two New York Foundation for the Arts fellowships and two grants from the Polaroid Corporation. Aperture published an eight-page portfolio. Other pieces have been published in numerous books and magazines, including The Polaroid Project, a book published as part of a seven-museum exhibition.
He received his MFA from Stony Brook University. He is currently a Professor of Photography at Lycoming College.