Skip to content


A. Curtis Wilsey, P.E., President

Curtis (Curt) Wilsey is a seasoned mentor and design engineer who strives to provide exemplary services to meet every client’s goals. After listening to his clients’ needs, Curt is able to design the most efficient systems solution possible. Curt subscribes to the belief that sometimes simple is best, and that an over-designed system is an overly complicated system.  Curt’s designs takes into consideration the limitations imposed by practicality, regulations, safety, and cost. While enjoying to design systems for many types of buildings, Curt’s passion is providing fresh, innovative, and  inspired solutions to the difficult problems faced in the field of historic preservation.

Curt is involved in the day-to-day aspects of each project and reviews all documents for completeness and quality. Curt also monitors projects to ensure the final designs meet the client’s needs, expectations, and budget.

Curt has always had a passion for engineering and is a graduate of Rensselaer Polytechnic Institute (RPI) and Hudson Valley Community College (HVCC).

Married and father of two children and grandpa to Graham and Stella. Curt enjoys collecting and preserving history in many shapes and forms, working in his vegetable garden, traveling, and visiting cultural sites.

Professional Engineering Licenses:
New York, Connecticut, Maryland, Massachusetts, Virginia, Pennsylvania, Tennessee, Florida, and Ohio.

Professional Memberships:
American Society of Heating, Refrigerating and Air‑Conditioning Engineers (ASHRAE), Past President of Local Chapter (1996-97),
The National Council of Examiners for Engineering and Surveying (NCEES)
National Fire Protection Association (NFPA)

HAZWOPER – Hazardous Waste Operations and Emergency Response

Andrew R. Wilsey, P.E., Vice President

Andrew Wilsey is Vice-President of Quantum Engineering Co., PC.   Andrew designs, plans, and supervises the construction and commissioning of building systems large and small. He works closely with architects, construction managers,  facilities staff, and contractors to ensure projects are completed to the agreed specifications.  Andrew is highly detail oriented, disciplined, and is able to evaluate complicated projects in an attempt to find opportunities that work best for the project and the client. Andrew is creative and has an intuitive ability to solve problems.

Andrew understands and enjoys working with facilities planning  and maintenance staff to understand their unique challenges. He then designs the systems to be safe, maintainable, and fiscally beneficial to the client.

Andrew especially enjoys spending time with his wife, son, and daughter plus during his spare time enjoys trivia, renovating his home, and traveling.

Professional Engineering License:
New York State

Professional Memberships:
Illuminating Engineering Society of North America (IESNA)
American Society of Heating, Refrigerating and Air‑Conditioning Engineers (ASHRAE)

American Society of Plumbing Engineers (ASPE)
Institute of Electrical and Electronic Engineers (IEEE)

NFPA 70 – National Electric Code
NFPA 70E – Electrical Safety in the Workplace
IEEE 1584 – Performance of Arc Flash Hazard Calculations
HAZWOPER – Hazardous Waste Operations and Emergency Response

Katie Wilsey, Lighting Designer

Katie Wilsey has more than twelve years of experience in the lighting field.  She began her career in lighting sales before joining Quantum Engineering Company. In 2012 Katie successfully completed the Intensive Course at the International Landscape Lighting Institute under the guidance of Jan Moyer.  Katie has since volunteered her services each year at illi’s intensive course as a mentor team member, docent, and lecturer.

Katie has extensive lighting product knowledge which allows her to efficiently create lighting solutions for any project. Using AGi32, Katie is able to render and calculate illuminance levels and energy usage to ensure code compliance, user comfort, and pleasing aesthetics for any project.  Her proficiency in AutoCAD and Revit allows her to create the documents needed for each project.

Katie has experience designing lighting control systems from the simplest relay-based solution up to complex, automated systems with AV integration.  As energy codes become more stringent and complicated, Katie is able to recommend the right solutions for our clients.

Katie enjoys spending time with her family, reading, gardening, knitting, and cooking in her spare time.

Professional Memberships:
Illuminating Engineering Society of North America (IESNA)
International Landscape Lighting Institute (illi)
Mentor, 2013-present
Docent, 2013-2015

Mitchell Marcin, Mechanical Engineer

Mitchell Marcin is a Mechanical Engineer. Mitchell focuses on designing and drafting for plumbing and fire protection systems. Mitchell works closely with Curt to learn the tricks of the trade and design the best systems possible.

Mitchell graduated from Rensselaer Polytechnic Institute (RPI) in 2019 with a Mechanical Engineering degree.

Mitchell enjoys playing disc golf, going to the movies, and walking his dog.

Professional Memberships:

American Society of Heating, Refrigerating and Air‑Conditioning Engineers (ASHRAE), Co-Chair of Local Chapter of Young Engineers in ASHRAE (YEA)

American Society of Plumbing Engineers (ASPE)




Denise Wilsey, Office Manager

Denise has been with Quantum Engineering Co., PC since its inception in 1989. Her experience and knowledge ensure the smooth day-to-day operations of the office. Her responsibilities include but are not limited to bookkeeping, secretarial, administrative, and human resource services.

Denise enjoys spending time with her family (especially her grandson) and friends, traveling, hiking, snowshoeing, entertaining, and dancing. She is also the coordinator for both a local Brown-Bag-It Mission Program and an annual charitable Teddy Bear Drive.