Our Team
Stefan Cazzonelli
Chief Executive Officer
Stefan Cazzonelli, who has been a key member of the Parameter team since 2015, has recently stepped into the role of CEO. His journey with the company began as Sales and Marketing Manager in 2017, where he worked closely with clients to understand their temperature and humidity control needs and deliver energy-efficient, cost-effective solutions tailored to their requirements.
As CEO, Stefan is set to lead Parameter into its next chapter of growth and innovation, driving the company forward with a renewed vision.
Originally from Germany, Stefan moved to the United States as an exchange student in 2008 with the aim of learning English and experiencing a new culture. He earned a Bachelor of Science in Business Administration from Montreat College in 2015, with concentrations in International Business, Management, and Sports Management. Stefan now calls Black Mountain, N.C. home.
GEOFFREY COOK
Director Of Engineering
Geoffrey Cook has been a key Parameter team member since moving to Asheville in spring 2016. His journey with the company began in the test department, followed by roles in service support, four years leading and expanding the service department, and Chief Operating Officer. After a year as COO, Geoffrey has stepped into the role as the Director of Engineering.
Geoffrey has a background in Geology and Engineering from the University of Tennessee and has pursued additional studies in Electrical Circuit Analysis, Programming, Philosophy, and Business Management. As the Director of Engineering, he oversees product development and innovation, ensuring that designs move seamlessly from concept to production. His focus is on maintaining exceptional product quality while advancing new technologies, improving processes, and supporting Parameter’s continued growth.
ADAM BREAKEY
Facilities & IT Manager
In 2013, Adam Breakey moved from Charleston, SC to join Parameter Generation & Control, marking the start of his formal role with the company. As the grandson of founder Jack Hile, Adam’s connection to Parameter runs deep, and his commitment to the company has been a lifelong one.
Adam brings extensive experience from the service industry to his current role as Facilities Manager. In this position, he oversees and maintains the facilities to ensure they operate smoothly and efficiently. His background in customer service also plays a crucial role in managing facilities to provide the best possible experience for Parameter’s clients.
Outside of work, Adam enjoys outdoor activities, traveling, and exploring the local breweries and restaurants in the area with his wife.
Cindy Hile
HR Manager
With 30 years of dedicated service at Parameter Generation & Control, Cindy Hile brings a wealth of experience and expertise to her role as HR Director. Cindy began her career with a background in social work and substance abuse, working in the mental health field for a decade before transitioning to human resources in 1995. Since joining Parameter, she has played a pivotal role in the company’s growth, contributing to a remarkable doubling of the workforce over her tenure.
Outside of work, Cindy enjoys an active lifestyle, indulging in tennis, hiking, and traveling with her family. She and her husband are proud parents of three children, with their youngest embarking on a new chapter in college this fall.
Mike Bromer
Sales Manager
Mike Bromer joined Parameter Generation & Control in 2023 as Sales Manager. He holds a bachelor’s degree in business from Champlain College in Burlington, VT, and offers a multifaceted background encompassing customer service, the restaurant industry, the beer sector, and retail. This diverse experience provides him with a unique perspective and a comprehensive skill set to best serve client’s needs.
Outside of his professional role, Mike is an avid reader of non-fiction and history, enjoys outdoor activities such as disc golf and hiking, and has a keen interest in board games and live music.
