John Warner, CTO & CEO

John C. Warner is a globally recognized chemist, inventor, and educator, widely known as the co-founder of green chemistry. With a PhD in Chemistry from Princeton and a BS from UMASS Boston, his career spans industry, academia, and entrepreneurship. John coauthored the field-defining book Green Chemistry: Theory and Practice, articulating the now-standard 12 Principles of Green Chemistry, and holds over 360 patents across fields ranging from solar energy to pharmaceuticals.

Throughout his career, John has created technologies that serve as the foundation for multiple companies focused on sustainability. He has received numerous honors including the Perkin Medal, the Lemelson Invention Ambassadorship, and the Presidential Award for Excellence in Science Mentoring. Currently the CEO and CTO of Technology Greenhouse, he continues to collaborate globally to develop safer, more sustainable materials and processes.

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Justin Whitfield, COO

Dr. Justin Whitfield is the Chief Operating Officer and Co-Founder of Technology Greenhouse. He earned his B.S. in Biology from Bridgewater State University and a Ph.D. in Green Chemistry from the University of Massachusetts Boston. Dr. Whitfield began working alongside Dr. John Warner over two decades ago and was a founding member of the Warner Babcock Institute for Green Chemistry in 2007. His research spans enzymatic catalysis, polymer chemistry, thin film coatings, sustainable packaging, and advanced materials development. He has been instrumental in more than 60 patents across 14 patent families and has a proven record of guiding technologies from concept to pilot-scale testing and commercialization.

Prior to co-founding Technology Greenhouse, Justin held senior leadership roles at Zymergen and Ginkgo Bioworks, where he combined deep technical expertise with strategic insight to drive major innovations in sustainable materials. He’s led teams, managed multimillion-dollar research contracts, and played pivotal roles in lab development, partner relations, and IP generation. His work has generated substantial revenue and meaningful change in industries seeking sustainable solutions. Justin currently serves on the President’s Science and Math Advisory Council at Bridgewater State and was recently appointed to the National Academies’ Plastics Roundtable.

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Carmen Baldino, VP and Head of Chemistry

Dr. Carmen Baldino, Vice President of Chemistry at Technology Greenhouse, brings over 30 years of scientific leadership across pharmaceutical and green chemistry sectors. With a foundation in drug discovery and development, he has held senior roles at multiple biotech and chemical research institutions, leading innovation in everything from kinase inhibition to sustainable chemical solutions. Carmen is known for translating complex science into real-world impact through his deep knowledge of medicinal chemistry, team leadership, and product innovation.

His academic background includes a BS in Chemistry from Southern Connecticut State University and a PhD in Chemistry from Purdue University, followed by postdoctoral research at Yale and the Scripps Research Institute. A long-standing advocate for public health and innovation, he also serves on the Biomedical Oversight Committee in Woburn, Massachusetts. Carmen is a passionate mentor and inventor, with numerous patents, publications, and green chemistry breakthroughs to his name.

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The Team Driving Sustainable Innovation

Built On Experience, Fueled By A Shared Vision For A Safer Future

John Warner, CTO & CEO

Justin Whitfield, COO

Carmen Baldino, VP and Head of Chemistry

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