Electric League of Arizona

Quality Instructors
Mean Quality Education

Carl Bartoli 
Mr. Bartoli has been in the HVCR industry for 34 years and is starting his 29th year with Donley Service as Director of Operations. Carl oversees all departments, air conditioning and plumbing service, installation, solar and call center. Mr. Bartoli takes an active role in training Donley Service’s 60 employees, for technical, marketing and customer service.
Derrick Denis, CIAQP, CAC, CIEC
Mr. Denis has been providing professional environmental consulting and industrial hygiene services for over 15 years. Mr. Denis has been Vice President of Indoor Environmental Quality (IEQ) for Clark Seif Clark, Inc. (CSC) for 9 years. Mr. Denis has performed and/or managed over 7,000 IEQ investigations. He has acquired various industryrelevant certifications in addition to a B.S. in Environmental Science. Mr. Denis is an active participant in the IEQ industry: he sat on the Indoor Air Quality Association (IAQA) Board of Directors, acts as Director of IAQA Phoenix Chapter, and is a member of the American Indoor Air Quality Council (AmIAQC) National Advisory Board.
Don Happ, Lighting Instructor
Mr. Happ is the owner of D.H. Lighting Solutions, a lighting design and consultation firm for commercial, industrial and public projects. He is Past President and an instructor for the Arizona section, Illuminating Engineering Society, a CEM, certified by the EPA and holds LC certification in lighting.
Joel Harris
Mr. Harris has worked over 20 years in the HVAC industry. Joel's extensive residential and commercial expertise in troubleshooting, special applications and design contribute to his successful training and management abilities utilized in daily operations.
  Steve Holmquist, Electrical Instructor
Mr. Holmquist holds an L-11 commercial electrical license and is a registered maintenance supervisor for the City of Phoenix. He has managed building activities for a wide variety of production and building systems for Phoenix Newspapers, Inc. for about 15 years. Mr. Holmquist has almost 20 years of experience in teaching electrical and electronic technology courses accredited with the community colleges.

Bob MacPherson

Mr. MacPherson has worked in the HVAC/R industry for over 25 years. He has an associate’s degree in Mechanical Maintenance Engineering from RSI and is a past member of RSES.  He has worked in residential, commercial refrigeration, facilities maintenance and in the educational field. He is currently semi-retired, owns a business and works part-time for an electrical company. 

Chris (Butch) Owens
Mr. Owens has worked in several capacities for the refrigeration industry for over 20 years and holds an EPA 40CFR Certification. He holds several Certifications with ABB including Authorized CSU ILT Trainer. He is Service Manager with Mech-Line Services LLC and has worked for Mech-Line for over 9 years. Mech-Line has built a solid sales, service and support reputation for ABB HVAC Drives for over 20+ years now. Mech-Line is also a UL508 Panel Shop. They build custom panel applications to suit many different custom VFD needs.

Vic Pietkiewicz

Mr. Pietkiewicz has over 45 years of experience in the engineering and construction industry. He is the Owner of Dove Valley Services, LLC a consultant to the construction industry. Previously he owned his own air-conditioning company. Many of his years included creating training programs for mechanical and electrical engineers, managers, estimators, construction workers, and technicians. He has given seminars for the Air Conditioning Contractors Association, written procedures manuals and training programs for a mechanical-electrical design build contractor in Saudi Arabia, and for a nationally ranked mechanical contractor here in Arizona. He has taught a wide variety of people at various levels of accomplishment. His expertise includes a broad knowledge of Heating, Ventilating, Air Conditioning, Automation & Control Systems, Plumbing, Geothermal and Solar Systems. He personally managed the installation of the largest Geothermal HVAC System in Arizona while Vice President of a large local mechanical contractor. In addition to holding a technical school certificate in AC Engineering, and a B.Sc. in Engineering Technology (HVAC) he holds three AZ Registrar of Contractors licenses and a Federal EPA license.


Rich F. Porter
Mr. Porter has been in the service industry for over half his life. He is a NCI CO/Combustion Analyst and is also N.A.T.E. certified in the installation and service of gas furnaces, air conditioners, and heat pumps. Rich is proud to serve on the Professional Advisory Committees for RSI, AAI, UEI, and EVIT. He enjoys working with other industry professionals to help shape curriculums and better prepare students for a career in the HVACR industry.

Marc Ramirez

Mr. Ramirez has worked in the electrical industry for over 50 years. He owned and operated Mr. Electric Service Co., Inc. located in Hicksville, New York focusing primarily on service. He sold the company and retired in 2001.  With over 40 years of business experience in service operations management, he was recruited by Hatfield-Reynolds Electric, an IES Company, as V.P. of Service Operations from 2001 - 2008. He has been an adjunct faculty member of Gateway Community College, teaching the third year Electrical Apprenticeship Program for the IEC Arizona Chapter from 2006 until 2017 and is a member of the IEC Safety & Codes and Standards Committee. He served as principle member of the NFPA National Electrical Code Panel 17 from 1993 to 2014. He is also an OSHA Authorized Construction 10/30 hour Trainer.

Elmer Tepper, Electrical Instructor
Mr. Tepper entered the electrical field as an electrician and worked in this field for fifteen years. After receiving his BSEE degree, he worked in electrical engineering design and project management for a variety of industrial, commercial and institutional facilities.
Daniel Turley
Mr. Turley has over 27 years experience in the commercial and residential electrical industry and currently works as a maintenance electrician. He has over 12 years of supervisory experience, including over 8 years as a Licensed Arizona electrical contractor, and has overseen large electrical installations. He is a certified Level 1 Thermographer. One of his current projects is to perform Arc Flash Studies on various buildings in the valley and to apply NFPA 70E to promote electrical safety in the work place. His expertise is in Commercial, Residential and Industrial electrical work but he has general knowledge and understanding of plumbing, HVAC, and maintenance procedures. He has long been interested in vocational education, completing a Master of Education degree in Educational Media and Computers. He has written several computer-based training programs. He also has a Bachelor of Science in Psychology from ASU.

Brandon Walton

Mr. Walton is a Building Performance Institute Proctor / Trainer with over 25 years’ experience in residential building and Home Performance.  He is BPI Certified in EP (Envelope Professional) and BA (Building Analysts) plus works as Project Manager for a local award-winning Top 5 Home Performance Contractor.  He has personally retrofitted thousands of homes to the highest performance of efficiency, air tightness, airflow, and super insulation.

Ed Weiss, Power Quality Instructor
Mr. Weiss has a distinguished background in Power Quality Engineering for the past nineteen years and is a published author, seminar speaker, holds two P.Q. related patents and is currently President of Applied Power Quality Solutions.