Greg Randall was born and raised in Milwaukee, and earned his professional degree at University of Wisconsin, with a certificate from Ricardo Bofill’s Taller de Arquitectura in Barcelona. Greg moved to Chicago in 1984 and received his Illinois professional license in 1987. In Chicago, Greg has designed and managed projects for Nagle Hartray, Himmel Bonner, and was a founding member and Principal with Chicago based DeStefano+Partners where he worked in the US, Europe and the Middle East. Greg joined two of his long time friends and current partners to form GREC in 2004. With his in-depth design and management experience, Greg has led the GREC team in commercial developments, resort and hospitality planning and design, mid- to high-density residential projects, and corporate interiors throughout North America, Europe, the Middle East and Asia. Greg has strong professional affiliations as a longstanding member of the American Institute of Architects, the International Interior Design Association, American Society of Interior Designers, the Urban Land Institute and the US Green Building Council. Greg holds professional licenses in Illinois, Wisconsin, Florida, Michigan, Montana, Texas, and California.

On sabbatical from practicing architecture, Greg served as Senior Program Manager for this major real estate development company executing projects such as the Democratic National Convention Venue, Federal Express Delivery Facility Restructure, and in support of the company's Corporate Services Group managing Interior Fit-out programs.