Our Team

    We are engineers, scientists, leaders, thinkers and doers.

    Tom Grizzetti

    Chief Executive

    Tom is a co-founder of HTMS and is responsible for all strategic initiatives at the Company. Tom has responsibility for strategy, business operations and financial performance.

    Prior to HTMS, Tom led a series of investments in advanced manufacturing, infrastructure and fin-tech companies. Tom was co-founder and COO of International Fund Services (IFS), a technology and administration company acquired by State Street Bank. IFS generated $200m in annual revenues and employed 1,200 people worldwide.

    He is a graduate of Boston College with a B.S. in Accounting and is a New York State CPA.

    Prof. Arturo de Risi


    Arturo is a co-founder of HTMS and is responsible for our R&D and product development programmes.

    Arturo has over three decades of experience (including 11 patents) in nano based heat transfer products, EV fuel cell optimization, thermo PV conversion of heat, and the design of cooling systems for commercial applications in solar systems and wind turbines.

    Arturo is currently Professor for the Department of Engineering for Innovation at the University of Salento, Italy. He is also Chairman of the Board of the Distretto Tecnologico Nazionale sull’Energia and a committee member for the National Sciences and Engineering Research Council of Canada.

    Rudy Holesek

    Business Development and Product Application

    Rudy is a co-founder of HTMS and is responsible for business development and product application. He also has responsibility for sales & marketing and our strategic partner and end-user programmes.

    Prior to HTMS, Rudy was the founder and CEO of a leading supplier of HVAC solutions in the New York Metro area that designed, built and serviced HVAC and Building Automation Systems for over 20m sq. ft. of commercial and industrial buildings in the New York Metro area.

    Rudy is a Lifetime Member of ASHRAE, the former Chairman of USGBC-LI, an HIA-LI Board Member and the Vice President of BOMA-LI. Rudy is also an instrument-rated commercial pilot and has flown numerous missions transporting transplant patients as a volunteer pilot for Angel Flight.

    Jeff Wyman

    Commercial and Legal

    Jeff is responsible for all of our commercial activities. He also oversees our legal, sustainability, public affairs and ethics & compliance programmes.

    Jeff has over three decades of commercial and legal experience as General Counsel of the Centigon Security Group, a leading provider of commercial armoured vehicles and mobile security services worldwide and as Managing Director of Legal & Corporate Development for NYSE listed NTL Inc. NTL was the UK’s largest and Europe’s second largest broadband communications company.

    Jeff began his career in New York at Cravath, Swaine & Moore. Jeff holds a B.A. degree from Boston College and a Juris Doctorate from Fordham University School of Law, where he was a member of the Law Review.

    Ed Coleman

    Operations and Finance

    Ed is responsible for operations and finance at HTMS. He also has responsibility for global supply chain and manufacturing activities.

    Before joining HTMS, Ed was COO at SCFI, a developer of advanced oxidation systems for the treatment of recalcitrant wet wastes. He led SCFI from concept stage through to trade sale to Aquarion Water. Prior to SCFI, Ed spent a decade in senior operations positions at advanced manufacturing companies in Asia and Eastern Europe.

    Ed spent his early career with Ernst & Young in Ireland. Ed holds a B.Comm. (Accounting) and a M.Acc. from University College Dublin and is a Fellow of the Institute of Chartered Accountants in Ireland.

    Prof. Marco Milanese


    Marco is responsible for our engineering function. He also has responsibility for the construction of our manufacturing facilities.

    Marco has over two decades of research experience focused on nanofluids and nanoparticles for HVAC and solar systems. In addition, much of Marco’s research addressed the characterization of thermal conductivity, viscosity and stability of metal oxide nanoparticles for nanofluid based heat transfer applications.

    Marco received his PhD in Energy Systems and the Environment from the Department of Innovation Engineering at the University of Salento, Italy. He also holds a B.Eng. from the University of Bologna.

    Dr. Francesco Micali


    Francesco is responsible for the day-to-day R&D and product development activities for the Company.

    Francesco has spent the last two decades developing energy efficient solutions for both the renewable energy and HVAC industries, during this time he was responsible for nine patents. Francesco’s work includes research on the thermo-fluid-mechanical properties of heat transfer fluids and the development, formulation and characterization of heat transfer nanofluids.

    Francesco received his PhD in Energy Systems and the Environment from the Department of Innovation Engineering at the University of Salento, Italy. He also holds a M.Sc. in Mechanical & Materials Engineering from the University of Salento.

    Heather Galloway

    Investor Relations

    Heather is responsible for Investor Relations.

    Heather has over fifteen years’ experience helping companies design and deploy new market growth strategies internationally. She has worked in traditional and renewable energy, and start-up environments, and was part of the founding team at Sunray Renewable, acquired by Sunpower Corporation in 2010. Previously, Heather worked with CEB (now Gartner) providing strategy advisory to mid- and large-size corporates in Europe and the US.

    She began her career with law firm Hunton & Williams, working in project finance for traditional energy projects across the Americas. Heather has a B.S. in Foreign Service from Georgetown and a M.A. in Art Business from Sotheby’s in London.