At the forefront of plant physiology and engineering systems design stands Garrett Greenlee, the founder of Day Arc. He is spearheading a paradigm shift in indoor cultivation, defining and executing strategies to fulfill Day Arc’s vision of providing. the world’s most efficient, precisely controlled indoor grow environments.

With over 20 years of experience in the construction industry specializing in HVAC, DDC Building Controls, and holding Johnson Control MetaSys Certification, Garrett is an entrepreneur and expert in efficient building design.  His expertise extends to the cannabis industry, where he has dedicated the past decade designing, constructing, and operating commercial indoor grow facilities, extraction operations, and dispensaries. He holds multiple patents in the cannabis space with several more pending

Garrett’s advanced knowledge in LED lighting and high technology focus on renewable energy, including solar and geothermal technologies, showcases his commitment to innovation. He was a founding member of the US Solar Institute in Ft. Lauderdale, Florida and has played a pivotal role in advancing sustainable practices. 

Attributing much of his success to his Bachelor of Science in Mechanical Engineering from The Ohio State University, Garrett’s analytical thinking skills have been honed through his academic and professional pursuits.

Based in Columbus Ohio, Garrett enjoys hosting family dinners with his wife, four daughters, and two grandchildren.