About the People of Green Dream Group

Grace Lunsford

Executive Director, Owner

Grace Lunsford of Green Dream Group Grace is the powerhouse behind Green Dream Group's public relations and video production. As the company's owner, she is focused on improving the quality of new and existing buildings in Chicago through independent, scientific building diagnostics, and in making the city a better place for people in all living situations and all income brackets. Grace presents on business development, branding and marketing, and is an advocate within the national screen actors community.  She is also a board member for SAG/AFTRA, the executive producer for Sterling Rock Productions and the founder of the Chicago Acting in Film Meetup.

Corbett Lunsford

Managing Director/Trainer

Corbett Lunsford of Green Dream Group(NREL Energy Auditor; BPI Building Analyst/Envelope/Heating/AC/Multifamily/Installer; HERS Rater/RESNET QAD; PHIUS+ Passive House Rater) Corbett is the day-to-day leader at Green Dream Group and the Building Performance Workshop; he also serves as Executive Director of the Illinois Association of Energy Raters, and is the author of Home Performance Diagnostics: the Guide to Advanced Testing.  In addition to the hundreds of comprehensive home performance assessments he has performed, Corbett presents at home performance and energy efficiency conferences nationwide, including EEBA, RESNET, ACI, Better Buildings: Better Business, National Healthy Homes, and Green Festival. In his past career, Corbett was a professional musician, and has released 5 albums and a feature film soundtrack to date under the name Mysteriam.

John Bergman

Technical Director/Trainer

John Bergman of Green Dream Group(NREL Energy Auditor; BPI Building Analyst/Envelope/Heating/Installer; HERS Rater/RESNET QAD) John heads Green Dream's project management and high rise work, helps run the field work of the Chicago Home Performance division and is a trainer/proctor for the Building Performance Workshop. He holds a degree in Civil Engineering from Virginia Tech, specializing on structural and geotechnical engineering and construction management. John has worked in both commercial and residential contracting, and loves his career in elevating the standards of both.

Elizabeth Theiss

Associate Producer

Elizabeth Theiss of Green Dream GroupElizabeth holds a degree in Film & Video, and has been an associate producer for award-winning short films and a recent feature film, Alley Cat. She works on screen content production for both Green Dream Group and Sterling Rock Productions, including Prescription Home Performance, The Cost of History, and Beautiful Little Fools.




Rater Member/Quality Assurance Designee, Illinois Association of Energy Raters

Rater Member, Residential Energy Services Network (RESNET)

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