About PCS

About Us
Building and improving

Phase Change Solutions (PCS) is a global leader in the development and supply of phase change materials (“PCMs”). Our proprietary family of BioPCM® products can be designed to store and release thermal energy at temperatures ranging from -75°C to 175°C. This tuning capability enables customers worldwide to use BioPCM® products to reach their sustainable development goals (SDGs).

Since its founding in 2011, PCS has helped maintain optimum temperatures and save energy in a range of industries: transportation of perishables and pharmaceuticals, buildings and structures, telecom and data centers.

The company continues to be recognized globally for its scientific achievements, innovative products, and approach to sustainability. PCS was most recently recognized as a 2020 Global Cleantech 100 company and one of ten Bloomberg BNEF Global Pioneer award winners for 2020. Join PCS on this journey to create a sustainable future.

Our Vision

Pioneering and inspiring innovation in smart materials for a sustainable future

Core Values


Respect For All

Uncompromising Integrity

Environmental Consciousness

Leadership Team

Govi is a visionary thought leader and seasoned business growth architect with over 25 years of leadership experience, scaling businesses globally, and transforming eco-systems across several industries including specialty chemicals, building materials, lighting, energy and the rapidly evolving Fourth Industrial Revolution. Mr. Rao is a co-founder of CARBON Group Global - a sustainable impact enterprise and a graduate of Villanova University. Govi serves on several boards including the Undergraduate Research and Innovation at NJIT, the department of Chemistry and Chemical Biology at Rutgers University, and the Center for Great Expectations. Govi is a contributing author of the Sustainable Enterprise Fieldbook (AMACOM 2008) and has testified to the U.S House of Representatives on IP and Innovation.

Govi V. Rao

Chief Executive Officer

Dr. Rhodes is a strategic thinker and innovation champion with a proven track record of delivering profitable growth in small and large-sized companies. He has held global leadership positions in R&D, technical service, and operations and has practiced in diverse areas of material science such as high-performance synthetic fibers, coatings technology, polymer synthesis, and heterogeneous catalysis. He obtained a Ph.D. in Chemical Engineering from the University of California, Berkeley, and a B.S. in Chemical Engineering from North Carolina State University. Most recently prior to joining PCS, Mike served as head of Technology for Fiber-Line, a component manufacturer for fiber optic cable, industrial safety gear, and sporting goods, and helped spearhead significant company growth which culminated in a strategic acquisition by a large multinational corporation.

Michael Rhodes, Ph.D.

Chief Operations Officer

Dr. Sawafta is a serial entrepreneur starting his first company in 2004, developing smart materials for water and energy applications. He obtained his M.Sc. and Ph.D. in Quantum Physics and Nuclear Physics from the University of Alberta, and held various positions of increasing responsibility in academia, the US Department of Energy, and the private industry. He is a recognized global expert and thought leader in smart materials, phase change technology, computational science, biotechnology, and nanotechnology. Dr. Sawafta has served on several advisory committees and boards and has received many prestigious awards. He holds numerous patents and patent applications, authored more than 175 scientific papers and has delivered over 200 invited talks worldwide.

Reyad Sawafta, Ph.D.

Co-Founder and Chief Technology Officer

Mr. Owens began his professional career serving in the United States Air Force focusing on electronic systems.  Since then, Mr. Owens has pioneered many disruptive new temperature management technologies and is one of the nation’s foremost experts in temperature-controlled food delivery.  The recipient of numerous patents, he was integrally involved in early efforts to improve food delivery system performance for major US pizza chains and other restaurants.  In addition, he has served as the exclusive inventor and supplier of temperature-controlled catering systems for one of the nation’s top quick serve restaurants (Chick-fil-A) for over 20 years, a relationship that has continued at Phase Change.

Byron Owens

Co-Founder and Chief Commercial Officer

Wendy brings over 30 years of experience in accounting, finance, and IT leadership roles across several manufacturing and distribution organizations. Wendy received her Bachelor of Science degree in Accounting and Management from the University of Kansas and is a Certified Public Accountant. She has expansive experience from public, private, and start-up companies leading projects to improve financial performance, reporting, and controls. Wendy was most recently the Division Controller for ITW Fluids North America, where she was a core member of the management team, successfully leading and profitably growing domestic and international business.

Wendy Dickey

Vice President, Finance

Manoj is a well-recognized leader in the Energy & Sustainability industry and brings over 27 years of extensive experience spanning six continents. He has deep knowledge of HVAC design, energy engineering, renewable energy, green building design (LEED), emissions management, and utility programs. He has managed corporate-level relationships with key customers, global non-governmental organizations, industry associations & government entities, and has worked across many markets such as telecom, pharmaceuticals & healthcare, commercial, retail, education, and municipal. Manoj is a recipient of numerous awards and recognition for his stewardship and dedication to the industry. Manoj has a master's degree in HVAC Design & Energy Engineering from Oklahoma State University and an MBA from Kellogg, Northwestern University.

Manoj Raathor

Vice President, Business Development

Dr. Zimmer approaches business from his roots in science and the law. Trained as a chemist, he has authored many papers appearing in peer reviewed scientific journals and holds seven patents as an inventor. He received a Ph.D. in Inorganic Chemistry from MIT, a J.D. from the University of South Carolina School of Law, and a B.S. in Chemistry from Washington and Lee University. Prior to joining PCS, Dr. Zimmer was a partner at two large US law firms. He served as Practice Area Leader of his firm’s Intellectual Property Practice Group and was recognized as a leader in his field by various bar and trade associations, such as Legal Elite of North Carolina, North Carolina Super Lawyers, The Best Lawyers in America, Charlotte Business Journal, and North Carolina Lawyers Weekly.

John Zimmer, Ph.D.

Vice President, Corporate Development

Join Us

We are looking for talented individuals who want to have a positive impact on the world. If that’s you, visit our Careers page.

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