About Us

Dimension IV Office

Dimension IV Madison Design Group
provides services to clients throughout the Midwest. We are licensed to practice in Wisconsin and 14 other states and have project experience across the country. One or more principals is always actively involved in the design of every project we undertake, which covers the spectrum of new construction, renovation, historic preservation, adaptive reuse, tenant build-outs, landscape architecture, and interior design.


Jim Gersich, AIA, RLA, WRID
Jerry Bourquin, AIA
Ron Siggelkow, AIA
Ray White, AIA
Tina Gordon, NCIDQ
Sheila Ace

6515 Grand Teton Plaza, Suite 120 
Madison, Wisconsin 53719
p 608.829.4444 | f 608.829.4445