Faculty and Staff

  • George Callas
    George Callas Energy Efficiency Instructor

    George Callas has passionately developed processes and controls for high valued-added systems for 30 years. Beginning with financial operations, he then moved on to investment management and now to building energy systems and green jobs development.

    His specialties include process control mechanisms, building science and sustainability.

  • Mike Hopper
    Mike Hopper BPI and Solar Energy Instructor

    Mike Hopper has a degree from Chaffey College and has provided BPI and solar energy training to hundreds of individuals ranging from engineers and architects to entry-level installers and displaced workers.

  • Sean White
    Sean White Solar Energy Instructor

    Sean White is an IREC/ISPQ Certified Independent Master Trainer, as well as a licensed solar and electrical contractor. He is certified by the NABCEP as a PV Installer and in Technical Sales.

    His specialties include explaining complex theories in ways that are understandable and exciting.

  • Will Helfricht
    Will Helfricht Director of Business Development

    William Helfricht has been with Ecotech Training since 2011 and has worked on all facets of the company's growth model.

    He graduated from the New York-based Hofstra University with a B.A. in marketing and psychology.

  • Martin Jutres
    Martin Jutres Corporate Account Manager

    Martin Jutres manages education programs in the central region of the United States.

    He graduated from Hampshire College with a B.A. in environmental economics and entrepreneurial studies.

  • Mike Garraffa
    Mike Garraffa Corporate Account Manager

    Mike Garraffa is responsible for developing Ecotech Training's partnerships in the west coast region. His partnerships include corporations, municipalities, and collegiate institutions.

    Prior to joining Ecotech Training, he worked in marketing and promotions at Sony BMG.

  • Hemant Patel
    Hemant Patel Corporate Account Manager

    Hemant manages corporate partnerships for Ecotech Training. He is responsible for both developing and delivering strategic methods training suited to client's specific needs across the country.

    Hemant hails from London and holds a B.A. degree in Mechanical and Aerospace Engineering from City University.