Jeffrey S. Peachey began bookbinding at Goshen College, and entered the field of conservation in 1989. He spent six years conserving books, works of art on paper, and archives at Columbia University's Conservation Lab.

In 1996 he established a private practice conservation studio in New York City, serving institutions, collectors, and individuals.

He is a Professional Associate of the American Institute for Conservation of Historic and Artistic Works. He has taught bookbinding at Pratt Institute, The School of Visual Arts, and The Center for Book Arts.

His artist books are included in the Marvin Sackner Collection of Concrete and Visual Poetry. Since 1997 he has been inventing and producing specialized tools for bookbinders, including a corner cutting jig, lifting knives, paring knives, and a resharpenable scalpel.