Garrett Greenlee | Founder
Aspiring Chef and Technical Rainmaker

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.  He is always on the lookout for the next great recipe.

Scott Elliott | CEO
Big Tech Thinker & MacGyver Bartender

Scott is not your average CEO.  With over four decades as a results-driven business leader, he has extensive experience in entrepreneurial business growth with a hard science background. Scott has been CEO of ten different companies in the Marietta, Ohio area.

He has worked on international teams that have pioneered novel solutions to problems in chemistry, transportation, and construction: from calcining Sodium Sesquicarbonate, to the recovery of valuable metals through waste pyro-processing; and from construction of rapid deployment military field shelters to helicopter tie-down installations.

His primary function in Day Arc has been to assemble the primary talent to drive the company forward in the coming rapid expansion of Day Arc’s technological advances.  Scott holds a BS in Zoology and Applied Chemistry from Denison University and a Masters in Nuclear Medicine from The Ohio State University.

During a chance meeting in 2005, Garrett met Scott at Garrett’s Jamaican restaurant/nightclub during construction.  Scott provided the sand for the outdoor beach (free of charge) and the two have been good friends ever since.

Scott makes the most of his personal time by spending it with his wife, Amy (Day Arc Advisory Board), four children, and six grandchildren.  He combines entertaining, cooking, and an inventive approach to bartending that quickly becomes a full-on race to see who can have the most fun.  Special talents include the ability to shake two aspirins from the bottle every time and consistently answering any question with a question (except with Amy).

Trent Elliott | Vice President
Versatile Performer, Business Ninja & Proud Papa

Trent began his career with a window manufacturing company in Chicago before returning home to his beloved Marietta, Ohio, where he consulted with companies to transition their Quality Management Systems from ISO 9000:1994 to ISO 9000:2000.  When a Quality Management opportunity opened at his family's business, Marietta Industrial Enterprises, Inc. (MIE), Trent jumped at the chance to work at the company his Grandfather started.

Trent graduated from Marietta College with a Bachelor's degree in business management, and a double minor in English literature and theater.  In 2003, Trent launched Silicon Processors, Inc. (SPI).  SPI acquired land and technology from MIE, and started processing Silicon Metal for the solar industry, eventually growing SPI’s market share to over 60% of all domestic photovoltaic silicon.  Years of successful growth lead SPI to expand its operations to include a river terminal, rail yard, and processing plants that supply pollution control products to the power industry.  At the same time, Trent continued learning every facet of the incredibly complex MIE business, and was eventually named President of MIE in 2018.  

Trent’s hobby is acting and he began his acting career at the age of sixteen as a professional “summer stock” actor aboard the Becky Thatcher Showboat in Marietta, Ohio where he performed in nearly 200 shows over 3 years.  He is now the proud father of three teenagers: two girls and one boy and they can often be found together in the kitchen whipping up something new.

Frank Casto | Facility Manager
Inventor, Farmer, Disc Jockey & Elvis Tribute Artist

Frank’s passion for innovation has been the driving force throughout his career. With over 30 years of collaboration with Scott and Elliott family at MIE, he has spearheaded a diverse array of specialty projects. These projects span solar-grade silicon, natural gas production and distribution, chemical processing, PVA for cosmetic and consumer grade materials and slag processing for concrete and construction industries.

Throughout his career, Frank owned and operated several companies including a paintball park and pro-shop, an air cannon manufacturer (specializing in T-shirt and golf ball launchers), and a successful DJ/Karaoke/Elvis Impersonator business.  His entrepreneurial spirit is matched by his inventive prowess, as evidenced by  numerous patents with several more pending.

As one of the founding members of Day Arc, Frank played a crucial role in refining the company’s commercial offering, leveraging his analytical thinking and creative mind.  His machining, welding, fabrication and mechanical skills make him an invaluable asset to the team.

With a background in farming and holding an Ohio hemp cultivation license, Frank oversees  the R&D facility showcasing the Day Arc Environmental system while cultivating  the highest quality hemp indoors. 

Residing in Marietta on a country road with his family name, Frank credits his parents for instilling in him a strong work ethic and positive outlook on life. He enjoys sharing his love for cooking a good meal by hosting regular family dinners at their home all throughout the year.

Brian Harpster | Project Manager
Navy Vet and Craft Beer Enthusiast

Brian knows a thing or two about being a leader.  With a diverse array of professional titles including, veteran, business owner, entrepreneur, technician, quality assurance and sales manager, he takes immense pride of his personal roles of husband, father, and coach.

Following high school, Brian embarked on a six-year stint as a Nuclear Electricians Mate in the US Navy, where he played  a pivotal role ensuring the smooth operation of nuclear reactors aboard the USS Enterprise (CVN-65). Post-Navy he pursued higher education at The Ohio State University and Otterbein University earning both a BA and MBA while working at Intek, Inc., in Westerville Ohio.

Leveraging his Navy experience at Intek, Brian’s career trajectory saw him rise from electronics technician, to calibrator, to sales and quality assurance manager.  His tenure included a decade long role in power plants where he specialized in installing electrical equipment, conducting customer training, and providing personalized customer support.  Notably, Brian developed the RheoVac Users Training Course, a highly regarded intensive course on instrumentation and condenser design. 

Brian ventured into entrepreneurship, founding Barley Hopsters, Ohio’s pioneering craft beer and homebrew equipment/supply company.  Brian explored the intriguing relationship between hops and cannabis, ultimately leading him to discover the groundbreaking research  at Day Arc Environmental Systems. Motivated by his industrial and customer relations experience, Brian is transitioning into the cannabis industry, after selling Barley Hopsters in June 2023.

Above all, Brian takes immense pride in his marriage to an incredible woman and his role as father to three sons.  He actively coached his boys in basketball and football and proudly served as a Boy Scout leader witnessing one of his sons achieve the prestigious rank of Eagle Scout.  As an avid motorcyclist, Brian and his family also enjoy traveling the country on epic road trips…in his Jeep, with no doors. 

Tom Trout | Project Manager
Actor, Drummer & Problem Solver

Tom’s an enigmatic figure and loves acting on a stage or in front of the camera. When Tom’s not on stage banging on his drums, he’s quietly behind the scenes ensuring Day Arc is running smoothly and rhythmically. His various positions in steel mill maintenance and construction while working toward his Applied Mechanical Engineering degree.  synergistically allowed him to see the practical application of his college coursework.

As Day Arc’s first Project Manager, Tom has overseen and guided the installation at the R&D facility in Marietta, Ohio.  His attention to detail and analytical process has ensured that the project is ready for launch and mass production.

Tom has extensive experience in material processing, construction, operations and maintenance within the power industry; as well as on site consultant/engineering for a major controls company.  Tom found his work passion in water chemistry while managing the water lab and operations in several power plants.

Tom’s a natural at problem solving, drawing on his years of experience in a variety of industries and positions delivering solutions that hit just the right note!

Jeremy Miller | Project Manager
Semi-Pro Golden Tee Player and Environmental Controls Guru

With 25 years of experience in HVAC equipment and environmental controls design, Jeremy is poised to leverage his experience to merge engineering and indoor cultivation for the betterment of our shared world. Jeremy’s is responsibilities include ensuring the operational stability of grow rooms while coordinating the development of HVAC equipment and control strategies with Day Arc’s design and installation partners.

Jeremy embarked on his journey with a Chemical Engineering Degree, specializing in Environmental Studies at The Ohio State University.   He has gained extensive experience working with various HVAC manufactures includes Trane, Daikin, Johnson Controls/York, Air Enterprises, Ventrol, LG Electronics, IMI Hydronic Engineering and Optimum Energy. His focus on critical infrastructure spans multiple vertical markets including healthcare, pharmaceutical, mission critical facilities , industrial settings, and indoor cultivation.  

Over the past decade, Jeremy has redefined how the indoor cultivation market approaches the challenge of conserving water and energy while enhancing yield and quality through environmental optimization.

Having worked closely with Garrett in the construction industry for 15 years, Jeremy’s friendship and influence have been instrumental in refining Day Arc’s offering.  He is a founding member of the company.

Jeremy resides in Westerville, Ohio, with his wife, two children and three dogs. When not immersed in family or professional life, Jeremy enjoys playing Golden Tee where his user name, OSUChE03, pay homage to his degree while representing his alma mater, The Ohio State University,  GO BUCKS!

Aram Kovach | Technology Director
Digerati Elite and Music Enthusiast

As a seasoned technologist and entrepreneur, Aram brings over two decades of comprehensive experience in the intersection of technology, design, and business. He can simultaneously think creatively and analytically making him an essential asset to the team.  He has founded multiple companies leveraging cutting-edge technology to solve real-world problems and improve lives.

Aram will be leading the control interface team for Day Arc., pioneering the use of AI to manage the temperature and relative humidity of grow environment hyper efficiently, to facilitate optimal plant growth. This innovative approach not only promises to significantly enhance crop yield and quality but will make sustainable farming practices more accessible and effective with a highly intuitive user interface. 

One of his most impactful collaborations has been with CropZilla, a platform specializing in data-driven machinery management within the agricultural sector.  Compex helped design the sophisticated algorithms and digital modeling to optimize farm operations, ensuring efficiency and cost-effectiveness. 

Garrett and Aram have been close friends for over 20 years and have collaborated on numerous projects and intellectual property development.

Aram is an electrical engineer (PE) with degrees from Franklin University and 4 years of study in industrial design at The Ohio State University.  He holds numerous, wide-ranging patents focused on the technology sector.

Check out his Sound Cloud channel under his stage name Xyloquint.  He has more than 40 published songs in over 10 languages with fans all over the world.  Aram has promised Garrett a Day Arc jingle.

Yann Guezennec, PhD | Advisory Board Member
Intuitive Cooking Enthusiast & Professeur Émérite

Yann’s passion for education and mentorship stems from his extensive career as a professor at The Ohio State University.  He is a Mechanical and Aerospace Engineer  in France and the US.  His 35+ years as a professor (now Emeritus) at The Ohio State University yielded vast expertise across numerous fields.  He specialized in fluid mechanics and thermodynamics, advanced energy systems, automotive engineering, advanced batteries and control systems.  

Yann has over 200 publications in diverse technical fields and holds 15 US and 1 French patents, many of which have been used in production.  Additionally, Yann boasts a successful entrepreneurial bwork at Flocotec, Inc. (1993-1995), where he served as founder, CEO and CTO, ispearheading complex testing systems delivered to Ford (US) and Hyundai (Korea) and multiple R&D projects with (France) and NASA (US). 

His overarching professional philosophy integrates continuous learningand a strong belief in technical cross-pollination and multi-disciplinary teams.  This provides a structured environment and process for enhancing creativity, essentially ‘IP on demand’.  This philosophy is perhaps best captured by the notion: ‘What do you remember once you have forgotten everything? – Just a highly flexible framework, and an ability to connect the dots...” 

Applying engineering for a purpose to enhance life, processes, products and economic development has always been an important part of Yann’s life goals.  

Yann was Garrett’s thermodynamics professor at The Ohio State University.  They are now neighbors in a vibrant downtown Columbus neighborhood. He is enthusiastic about contributing to DayArc, as it epitomizes a life-long approach to multifaceted engineering and science career that advances the state-of-the-art.

Yann resides in a beautiful, completely restored, historic home in Columbus, Ohio with his wife, Colleen (also an advisory board member) and enjoys good food, wine and ‘intuitive’ cooking (no recipes, just good ideas) . He cherishes spending time with his two children and two grandchildren.

Colleen Guezennec | Advisory Board Member
Marketing Goddess & Cold-calling Queen

Colleen possesses a unique blend of sales management and marketing intelligence & strategy acumen. An award-winning salesperson, adept relationship builder and proficient market researcher, she excels in capturing and analyzing data enabling the development of strategies to expand market share, identify new market segments, reposition offerings, and successfully launch new products and services.   

As a founding member of The Orchard Group, Colleen contributed to a team of consultants dedicated to leveraging their extensive business acumen and world-class marketing talent to assist clients in understanding strategic and competitive challenges; build and grow strong brands that attract loyal customers; communicate critical messages; and drive incremental revenue and bottom-line profitability. Together with fellow Advisory Board and Orchard Group member Margot Suszek, Colleen adeptly leveraged their expertise in cold-calling to establish numerous co-marketing programs with Fortune 100 & 500 company brands.  

Colleen’s passion for learning is evident throughout her academic journey, having studied biology and chemistry at Loyola University; having earned an undergraduate degree in accounting from DePaul University; and having obtained both MS and MBA degrees from The Ohio State University. She enjoys learning about advances in medical cannabis research from über knowledgeable Day Arc founder Garrett Greenlee.

Beyond her professional endeavors, Colleen boasts a diverse range of interests and activities. An avid gardener and competitive Irish Step Dancer, she graced stages for years at events such as the Dublin Irish Festival. She has renovated a number of homes from top to bottom; and currently resides in one of her historic, meticulously down-to-the-studs renovated homes with her husband Yann and two rescue dogs. Colleen hung up her tool belt to spend time with her two young grandchildren, feeling immensely grateful for their close proximity and frequent visits.

Margot Suszek | Advisory Board Member
Serial Entrepreneur, Self-Proclaimed Marketing Guru and Secret Fiction Author

Margot is an accomplished sales, marketing, and business development leader bringing over three decades of experience to the table. Specializing in driving growth for major consumer brands, and businesses of all sizes, Margot is renowned for her expertise in crafting impactful marketing campaigns, building high-performance teams, and devising strategies that rapidly increase market share and revenue.

Previously, Margot served as a Founding Partner and President of Integrated Marketing Resources, offering strategic consulting services to clients across several industries including CPG, government, logistics, and many others. With a focus on data-driven planning, process optimization, and operational excellence, Margot consistently delivers results that exceed client expectations. 

During her tenure at Kraft and Borden Inc., Margot held key leadership roles, managing multi-million-dollar marketing budgets and leading cross-functional teams to launch innovative products and programs. 

Margot holds a BS in Business from Western Michigan University. She completed Executive MBA management coursework at The Ohio State University. She remains committed to staying up to date on best practices through ongoing executive education.

Residing in Gahanna, Ohio, Margot shares her multigenerational home with her husband and extended family including one grandson. Consistently failing at retirement, Margot is still going non-stop, channeling her passion for learning into cultivating side gigs, while also traveling, writing, attacking home improvement projects, hosting parties, and spending quality time with her grandson. Margot is known for her penchant for offering great advice wherever she goes.

Kurt Lohrmann | Advisory Board Member
Marine Ironman & Technical Cave Diver

As an experienced and accomplished leader, Kurt brings a passion for adventure to the team.  He is a Senior Mechanical Engineer and Project Manager with over 30 years in the construction industry.  He has established himself as a respected expert in HVAC, Plumbing, and Fire Protection design for a wide range of facilities, including healthcare, educational, industrial, manufacturing, commercial, governmental, data center and institutional projects.  

Kurt’s commitment to excellence and his leadership abilities are evident as he guides his project teams to deliver high-quality designs that are on time, within budget, and precisely tailored to meet the unique needs of each client. His extensive portfolio showcases his versatility, spanning from conceptual studies to the complete design of a 33,000-ton cooling plant.

In addition to his engineering prowess, Kurt brings a rich background to his professional journey. He proudly served as a member of the United States Marine Corps, a testament to his dedication and discipline.

Among his professional qualifications, Kurt is a Certified Commissioning Professional and holds licenses as a Professional Engineer in an impressive twenty-six (26) states. With his multifaceted background, extensive experience, and unwavering commitment to excellence, Kurtis prominent figure in the world of engineering and a well-rounded individual who continually seeks new challenges and adventures.

Beyond his work in the engineering field, Kurt is a man of diverse interests and hobbies. He is an avid cave diver, a passionate big game hunter, and an enthusiast of upland bird hunting. His dedication to physical fitness is exemplified through his participation in Ironman and Marathon athletic events.

Don Butler | Advisory Board Member
Consummate Buckeye Fan & Home Automation Technophile

With over 40 years in the automotive industry, Don has seamlessly blended his passion for cars and technology throughout his career.  He has held roles at renowned companies such as General Motors and Delco Products where he notably served as Head of Production, Electronics Department.  

From 2006 to 2014 Don returned to his alma mater, The Ohio State University, as Project Manager at the Center for Automotive Research (CAR) in Columbus.  He concluded his tenure in 2017 as the Manager of Engineering Services.

As a proud OSU alumnus, Don’s passion for Buckeye athletics has no bounds. As a lifetime member of the Buckeye Club, he fully funded a football scholarship and boast decades-long football season ticket holder status. Additionally, he holds a 40-year Personal Seat License for basketball games, ensuring he never misses a moment of Buckeye action.  Don’s dedication extends beyond sports. As a lifetime member of OSU’s Presidents Club, he generously supports university campaigns and student projects; and yes, he has prime seats for every game.

Don holds Bachelor’s degrees in Business Administration and Electrical Engineering from The Ohio State University, followed by Master’s in Business Administration and Electrical Engineering from the University of Dayton.

Ever the engineer, Don enjoys dabbling in home automation, audio/video home entertainment systems and home security systems. Robbers beware: it would be wise to not underestimate his capabilities.

Tom Migliaccio | Advisory Board Member
Aspiring Grill Master & Avid Outdoorsman

With over 25 years of experience in the geothermal industry, Tom has made significant contributions to the industry’s quality growth  throughout the United States. He began his journey as an outreach representative with the original Geothermal Heat Pump Consortium, Washington, D.C., where he provided foundational information and resources to help jumpstart effective, efficient geothermal designs and installations nationwide..

Tom’s experience and reputation have continued to flourish through his ongoing collaboration and engagement with  recognized leaders in geothermal energy.  As the Project Development Director at Jackson Geothermal, in Mansfield, Ohio, Tom has amassed an impressive portfolio of installations, fostering a vast network of industry specialists, patent holders and leading experts – utilities, architects, engineers and governing boards. 

Known for his adeptness in assembling and directing successful teams for   various geothermal applications, Tom’s expertise extends to innovative projects and programs utilizing the technology beyond building space conditioning. The application of geothermal wells in Day Arc’s projects perfectly aligns with his unique skill set.

From early conceptual stages to field installation and commissioning, Tom consistently strives to deliver the highest professional standards and outcome for clients, navigating the complexity of disciplines, specialties and personalities involved with each project.  Whether as a team member or leader, Tom’s versatile expertise ensures   successful project outcomes.  

Residing in Florida with his family, Tom’s has a Sunday mission... Crafting the ultimate lasagna masterpiece. Armed with secret family recipes and a dash of Italian culinary flair, he’s on a delicious quest for perfection.

Amy Elliott, PhD | Advisory Board Member
Luckiest Girl Alive Contender & Top Tier Homebody Adventurer

Committed to Leadership Development no matter the sector, organization or individual, Amy has been helping people, teams and companies make important leadership transformations for 27 years.  As part of Day Arc's advisory board, she is excited to bring her vast experience to the organization along with her meet-them-where-they-are philosophy.

Amy is currently the Director of the Office of Community Engagement and an Assistant Professor of Leadership Studies at the esteemed McDonough Center for Leadership and Business at Marietta College developing the leadership skills of undergraduates.  She also lends her expertise to local nonprofits as a board member at LEAD, Hunger Solutions, The Memorial Health Foundation and Veritas Classical Academy.

Amy will assist developing the future leaders of Day Arc, refining the wealth of existing talent while cultivating other talented individuals for future positions.

Amy is passionate about her home life, family and dog.  Married to CEO Scott Elliott, entertaining and hosting fantastic parties is part of the Elliott DNA, where all are welcome at their table.

Amy holds a Bachelor's Degree in Communications and Technical Writing, a Masters in Communications and a Ph.D. in Clinical Hypnotherapy.  Yes, she can.