Dan Cannan

Dan Cannan is the president of Cannan Alexander & Scott, an independent manufacturer’s representative firm that services and supplies the Upstate NY area with commercial and industrial building envelope products. Our mission is to educate, inform and consult with owners, architects, developers, and contractors to increase the awareness of premium products that emphasize “green” technology. We assist in system design, development, specifications, and installation trainings.

Dan Cannan managed a commercial roofing and waterproofing contracting company from 1977 until 1983 with many installations from Buffalo to Syracuse as well as projects in Virginia and New Jersey. In 1983, Dan was asked to be the Carlisle Roofing and Waterproofing Representative for the Upstate NY area. The firm was then asked in 1989 to also be the Soprema Roofing and Waterproofing Representative. Dan has been involved with many projects in the Upstate NY area, including Cornell University, RIT, Syracuse University, St Joseph’s Hospital, Geneva Hospital, Thompson Hospital, to name a very few.

Dan, is authorized to give AIA accredited presentations in Single Ply Roofing, Modified Bitumen Roofing, Garden Roofing, Waterproofing, Air Barriers and Metal Roofing, and he has given these presentations to hundreds of architects and designers in the Upstate New York area.

Dan graduated from SUNY Brockport with a Bachelors of Science degree. He has been a member of the Construction Specifications Institute since 1987 and has been a board member since 1992. Dan is also a Professional Affiliate member of AIA.

Brock Alexander

Brock Alexander started in the roofing and waterproofing industry in 1980.
He is a graduate of Northern Arizona University with a bachelor’s degree in Civil engineering.

Brock and Dan teamed up in 1999 to start Cannan & Alexander, which has now grown to be CAS. Brock has been involved with single-ply roofing sales and installations in western & central NY since 1987 as well as being the technical manager for Soprema in upstate NY in the 1990s.

Today Brock continues to share his technical and sales expertise for all product lines with the team at CAS. He is qualified to give AIA presentations to the architectural community, provide contractor training and perform infrared moisture scans in roofing & wall systems.

Paige Holenbeck

Paige Holenbeck, a Rochester, NY native and proud Saint John Fisher alum joined Cannan, Alexander & Scott in 2008. With a wealth of experience in commercial roofing and a commitment to integrity she specializes in delivering well-informed, strategic roofing solutions by collaborating closely with contractors, architects, and building owners. In her spare time she enjoys spending time with her family, trying new restaurants, working on her golf game & playing paddle.

Kevin Sullivan

Kevin joined the CAS Team in September of 2007, he is responsible for relations with K-12 Superintendents of Buildings & Grounds, hospital engineers, and other owners, offering complete roof system evaluations. Additionally he represents Specialty Products Group / VAPOR LOCK (MVRA), IMCO Technologies / MG KRETE and Marathon Drains.

Prior to joining CAS he began his career in the Roofing industry in the late 70's installing roof systems with a company from Lexington, Massachusetts.

His first foray into the world of commercial roofing supply started with a rep / distributor in the Boston area in 1987.

Kevin relocated from Boston to Rochester in 1990 and has held various positions both as a representative and as a distributor.

Mark Benson

With decades in commercial roofing since 1987, I bring deep expertise and trusted guidance as a Registered Roof Observer (RRO). Recognized as Carlisle-Syntec’s 2019 Sales Representative of the Year , I’m known for strong client relationships and dependable results.

Griffin Alexander

Griffin Alexander joined the CAS team in 2019. He earned an Associate’s degree in construction management from Alfred State College where he developed a strong foundation in building systems & project coordination. Prior to joining CAS he gained hands on experience installing low slope commercial roofing systems thought the Rochester area. This practical background, combined with his technical knowledge, allows Griffin to provide well-informed, solution-driven support on every project. He works closely with contractors, architects, and building owners across Western New York.

Tyler Cannan

Tyler Cannan, a Rochester native, joined CAS in 2019. He is a commercial roofing specialist with CAS, supporting contractors, architects, and building owners across Central New York. He brings a practical, solutions-driven approach to every project, specializing in system selection, bid analysis, and helping clients make confident, informed decisions. Outside of work, Tyler enjoys spending time with his wife and two sons. He grew up playing hockey and continues to compete in a men’s league, and also enjoys getting out on the golf course whenever he can.

Evan Countryman

Evan joined the CAS team in 2022. He will learn from and work alongside Kevin Scott to assist with projects involving air barriers, exterior insulation, securement systems and interior and exterior wall claddings. He will work to establish and maintain relationships with contractors and architects. Evan has spent the last 15 years working for American Rock Salt in Livingston County where he lives with his wife. While this territory is new to Evan, he comes with a desire to learn and a passion for success. Oh, and his golf game isn't too bad either.

Tyler Thauer

Tyler Thauer, an Alden, NY resident, recently joined the CAS team. His focus will be the promotion of commercial roofing products thought Western New York collaborating with contractors, architects and building owners. He is pursuing a degree in business management at Erie Community college part time. Outside of work Tyler enjoys staying active by golfing, staying in the gym, and playing in his local men’s hockey league.