Mark has earned several certifications from the Building Performance Institute and is a Certified Super Proctor and Trainer, Building Analyst, Envelope Professional, and Healthy Building Evaluator. The National Center for Construction Education & Research also lists Mark as a Certified Master Trainer, Certified Assessment Administrator, and Certified Accreditation Visitor.

Mark is a long-time resident of Nevada but has conducted dozens of workshops training building
energy contractors and subcontractors across the U.S. for more than 3 decades. He is recognized as a national expert in the Principles of Building Science, Building Energy Systems Integration and
Optimization, HVAC, and other areas of energy. Mark has testified at several legislative hearings on
energy issues in Nevada and has worked with many key energy stakeholders in the Silver State for many
years.

John Mitchell has served as Director of Energy for New England Total Energy as well as The Dean of Education for the Home Performance Institute of New England. John’s responsibility was to oversee the energy division of New England Total Energy. As Dean of Education, with the Home Performance Institute of New England, John developed and had oversight on all home performance training and protocol. John was also the owner and CEO of JLC Green
Technologies is an International Training and Testing Center for Home Performance.

John is a National Speaker for Industry Conferences in both the Energy and Environmental Industries. He is an Ambassador for The Building Performance Industry and is an IREC Master Trainer for HEP/BPI instructions for Energy Auditor and Quality Control Inspector. John participates and conducts Train the Trainers to align and standardize training protocols in the Home Performance Industry. He is a certified Building Performance Institute Certified Super Proctor, Building Analyst, and Envelope Profession and has other related certifications from the National Center for Construction Education & Research.