Russell grew up on Long Island, and completed undergraduate and graduate studies in Buffalo, NY attending Buffalo State College for his BFA, and the University at Buffalo, SUNY where he received his MFA in Painting. Cindy Sherman and Robert Longo had recently graduated from those schools, and established the landmark alternative spaces: HALLWALLS and CEPA. They later became associated with the Pictures Generation.

Directly after graduate studies, Floersch was awarded a Fulbright-Hays Fellowship to West Berlin, W. Germany. The host university was the HdK W. Berlin -- now the Universität der Künste, Berlin. His advisers were K.H Hödicke, and Georg Baselitz. His fellowship was capped with a one-person show of paintings and monotypes at Amerika Haus, Stuttgart.

Upon his return to the US, Russell and two partners leased an industrial space in Greenpoint, NYC. His first job was working at Metro Pictures Gallery where Sherman and Longo exhibited. In 1986 Floersch had his first one-person exhibition, at Civilian Warfare Gallery which led to a five year association at Stux Gallery showing with Doug and Mike Starn, Holt Quentel, Lawrence Carroll, Vik Muniz, Elaine Sturtevant, Andres Serrano and Cary Leibowitz. During this period Floersch had three one-person exhibitions, and participated in several group shows in the US, Europe and Japan.

In 1996 he was awarded a NYFA Fellowship in Painting, and a Pollock-Krasner Foundation Grant in Painting for 2010. In 2011 he had his first of two one-person shows at Rooster Gallery on the LES of NY, and showed at Galerie oqbo in Berlin. From 2015 to 2020, he was Adjunct Assistant Professor of Drawing at City College, CUNY. Since 2015 Floersch has shown at the project space, 57W57Arts with two one-person exhibitions in 2015 and 2019.

Floersch lives in NYC and is married to Wendy Wylegala, Director for Legal Technical Assistance at Kids in Need of Defense (KIND). Floersch maintains his studio near PS1/MoMA in Long Island City.