John Cromer, P.E., Solar Educator / Project Engineer
John Cromer is a graduate of the University of Pennsylvania with a BSE degree in Mechanical Engineering with 12 years of industry experience designing and installing residential and commercial solar photovoltaic power projects up to 1MW in size, with an emphasis on rooftop solar. Before transitioning into the solar industry, he worked as a control system engineer in oil and gas for Fluor Corporation. He has since obtained his Master Electrician and Residential Contractor certificate of responsibilities, as well as a NABCEP PV Installer industry certificate. Writing and teaching solar training programs in between projects, his latest programs include content on batteries and electronic load control, for both residential and commercial applications. He is the founder of the energy controller company Levll.
Dominic P. Perrotta, P.E.
Mr. Perrotta is a graduate of Carnegie Mellon University with degrees as an Electrical Engineer and Industrial Management from the Tepper Business School. He has nearly forty years of experience as a Project Manager (PM) and has been the PM for several of the largest private industrial projects in the Southern United States. He has traveled extensively throughout North and South America, as well as throughout Europe, Japan, and Southeast Asia. Mr. Perrotta is currently registered as a Professional Engineer in five states, including Texas and Virginia, and was honored as Project Manager of the Year by the ASPE.
Dr. Mark P. Rossow, P.E.
Dr. Rossow is a graduate of the University of Michigan with B.S., M.S., and Ph.D. degrees. He taught civil engineering for over 35 years, including six years at Washington University in St. Louis and 29 years at Southern Illinois University Edwardsville, where he was the Chair of the Civil Engineering Department for ten years. His areas of expertise are in civil engineering and mechanics. He has consulted for various organizations, including government agencies and an international offshore drilling company. He has published many journal articles and technical reports.
J. Paul Guyer, P.E., R.A., Fellow ASCE, Fellow AEI
Paul Guyer is a registered Mechanical Engineer, Civil Engineer, Fire Protection Engineer and Architect with 35 years of experience designing buildings and related infrastructure. For 10 of those years, he participated in the design of one of the largest infrastructure projects in history....the California State Water Project. For 17 years he managed his own architectural engineering firm specializing in the design of military facilities throughout the Pacific Basin. For an additional 9 years, he was a principal staff advisor to the California Legislature dealing with infrastructure and capital outlay issues. He is a graduate of Stanford University, studied law three years at McGeorge, and has held numerous national, state and local offices with the American Society of Civil Engineers, National Society of Professional Engineers, and Architectural Engineering Institute.
Dr. Harlan H. Bengtson, P.E.
Dr. Bengtson is a graduate of Iowa State University with B.S. and M.S. degrees and of the University of Colorado with a Ph.D. He is a licensed Professional Engineer in Missouri. He has spent 30 years in engineering education in teaching and administrative positions, including six years as Dean of Engineering at Southern Illinois University Edwardsville. His areas of expertise are environmental engineering, hydrology, and hydraulics, engineering science and renewable energy systems. He has done regular consulting work while holding academic positions. Prior to entering academia, Dr. Bengtson worked for Minnesota Mining & Manufacturing as a Product Development Engineer and for E. I. DuPont de Nemours as a Process Development Engineer. Dr. Bengtson has authored numerous publications, presentations, and technical reports.