John Warner is one of the founders of the field of green chemistry. He wrote the book that provides the definition of the 12 principles of green chemistry with Paul Anastas. As an industrial chemist, he has over 350 patents and has worked with hundreds of companies worldwide. He received the Perkin Medal in 2014 from The Society of Industrial Chemistry. As an academic, he was a tenured full professor of chemistry and plastics engineering at the University of Massachusetts where he started the world’s first PhD program in Green Chemistry. He has over 120 publications in synthetic methodologies, noncovalent derivatization, polymer photochemistry, metal oxide semiconductors and green chemistry. In 2022 he received the August Wilhelm von Hofmann Medal from the German Chemical Society and in 2004 the Presidential Award for excellence in science mentoring the US NSF and President George Bush. As an inventor, John’s inventions have led to the founding of many companies in the fields of photovoltaics, neurochemistry, construction materials and cosmetics. In 2016 he received the Lemelson Invention Ambassadorship from the Lemelson Foundation and the American Association for the Advancement of the Sciences. John is a member of the Club of Rome, Distinguished Professor of Green Chemistry at Monash University, Distinguished Professor of Chemistry at Chulalongkorn University, and Honorary Professor of Chemistry at the Technical University of Berlin where they have named the “John Warner Center for Start Ups in Green Chemistry.” John currently serves as President and CEO of The Technology Greenhouse.