Thoughtful design, built for the real world.

UNION is a design studio combining thoughtful design thinking with deep expertise in product development to create human-focused, user-centric products. With a belief that design should be simple and approachable, each project is executed with clarity, purpose, and a commitment to intuitive functionality.

Jeff Theesfeld, founder of Union Design and product designer

Designer & Founder

Jeff Theesfeld is an industrial designer with a background in modern furniture design and product development. Raised in a Pennsylvania community rich in design history, he studied Industrial Design at Thomas Jefferson University before beginning his career at the studio of renowned Knoll designer Richard Schultz, where he eventually became Design Director.

 

He later became owner and led product development at renowned development firm, Shea+Latone, working with major brands including Humanscale, Global, Teknion, and Knoll. A pivotal collaboration with ergonomic pioneer Niels Diffrient shaped his understanding of human-centered design and technical innovation. Jeff’s work has earned multiple patents and international recognition, including several Good Design, iF Design, Best of Neocon, and MetropolisLikes awards.