Meet Our Instructors
Industrial Refrigeration Technical College instructors are highly experienced in industrial refrigeration (ammonia & cascade systems), controls engineering, and systems integration, as well as OSHA PSM programs.
Sam Dunlap, P.E., R.A.I.
Samuel L. Dunlap is a professional engineer and RETA Authorized Instructor for Industrial Refrigeration Technical College. He has over 8 years of experience with the design, construction, and maintenance of refrigeration systems. He also has expertise in the area PSM/RMP compliance and regularly assists other facilities with their compliance needs.
Ryan Barolo
Ryan is a mechanical engineer with two and half years of industrial ammonia refrigeration experience and a passion for teaching. When not teaching in IRTC, he works as a compliance engineer helping ammonia refrigeration facilities implement and maintain their OSHA PSM programs. This includes traveling the country to conduct mechanical integrity audits, compliance audits, non-destructive corrosion tests, and PHA’s. Ryan combines his field experience with his technical knowledge of heat transfer and ammonia refrigeration systems to provide operators the knowledge they need to operate their refrigeration system safely and efficiently.
Maggie Mangene
Maggie started her career at IRTC as a Compliance Engineer in 2024, but has 4 years of refrigeration training from the Pennsylvania College of Technology. Graduating with her bachelors in HVACR Design Engineering Technologies, Maggie strives to learn more every day and continue her growth in the ammonia refrigeration industry.
Ryan Masi
Ryan joins IRTC as a new graduate from James Madison University. With studies in Integrated Science and Technology along with a background in construction and customer service, Ryan brings a unique skillset to the IRTC and thrives to grow in the ammonia refrigeration industry. His drive for quality and efficiency is demonstrated throughout his work and effort.
Jenna Magness
Jenna has over a year of experience at IRTC teaching industrial ammonia refrigeration concepts to operators. Jenna studied chemical engineering at Michigan State University, and is constantly learning more about refrigeration system operations while prioritizing safety when working with ammonia as a refrigerant. In addition to teaching at IRTC, Jenna conducts a variety of audits at refrigeration facilities around the country and helps facilities remain compliant with OSHA PSM programs.
Meet Our Staff
Cameron Brown
Engineering & Software Sales
Cameron joins IRTC as an experienced representative for the last decade in sales, customer service, and management. He exemplifies an unparalleled work ethic, consistent integrity, along with a genuine passion for this industry. Leading with a results-driven philosophy, he creates an outstanding rapport that optimizes his client and business relationships. After recently relocating to the area from Greenville, SC, he has grown exceptionally optimistic to become part of the company's success.
Cameron Brown | 540-941-2001 | cbrown@r717.net
Nick Bridewell
IRTC, Engineering & Software Sales
Nick brings a wealth of experience to IRTC as a skilled relationship builder, creative problem solver, Army veteran, and sales professional. With a strong focus on driving positive outcomes and delivering exceptional service to customers, Nick plays a key role in expanding Innovative and IRTC’s national presence. His dedication to excellence ensures that he is always ready to assist with any of your training needs, staying vigilant and proactive in supporting your success.
Nick Bridewell | 540-941-2062 | nbridewell@r717.net