Our People Make All the Difference
Learn more about Great Lakes Window Cleaning, from our office team, to our window cleaning specialists, our founders and our industry involvement! It takes over a year for us to consider a window cleaning technician trained, even more so for a residential window cleaner, we look for responsible & experienced adults working with us. We don’t hire high-school kids or seasonal help to clean your windows; on average our window cleaning technicians have been with us over 10 years (many 15-20+ years) and are clean cut, drug and smoke free, professional Window Cleaners, accustomed to working in many of the area’s premier homes and offices.
Excellent Window Cleaning was acquired by S&K Building Services and Great Lakes Window Cleaning now oversees and manages this portfolio, upholding its enduring dedication to service excellence.
Barry Pearson
Branch Manager
Barry got his start in the window cleaning industry in 1998, working as a window cleaner for a company out of Kalamazoo, Michigan. He moved to Lansing and joined the Great Lakes team in the fall of 2002. Barry has been with Great Lakes for over 20 years. He has been involved in all aspects of window cleaning, specializing in Aerial Lifts and Water Fed Pole window cleaning. He has been operating as the Commercial Manager since 2018, handling the scheduling, bidding, and customer service for a majority of our commercial clients. He was recently promoted to the position of Branch Manager in January, 2024. Outside of work, Barry enjoys sports, fitness, and spending time with his wife and daughter.
Lupe Mena
High Rise Supervisor
Lupe been with Great Lakes Window Cleaning this year for 30 years. He joined the company in 1994 and started off as a route window cleaner that always wanted to do the high-rise buildings. The opportunity presented itself about a year into working here and he took it. He has been trained and certified in high-rise window cleaning, customer service, and scheduling of existing customers and pricing for new customers. He has been given the new role as Assistant Branch Manager.
Outside of work he’s all about his family. He enjoys playing softball, golf, and just started playing pickleball. He has a great outlook on everything and always try to see the positive in all situations. He’s always there for my fellow workers with any help he can provide to get them what they need to get their jobs done or made easier.
Mark Reinhart
Business Development
A lifelong Michigander with a wealth of experience dating back to 1983 when he began washing windows for the Amway Grand Plaza Hotel in Grand Rapids. Mark’s journey includes working for janitorial services, starting his own business in 1987, and founding Award Window Cleaning Services in 1991. His commitment to excellence led him to join the International Window Cleaning Association (IWCA) in 2001, where he actively participated in committees and eventually served as President in 2014. After 31 years of dedicated service, Award Window Cleaning Services was acquired by S&K Building Services in June 2022. Mark seamlessly transitioned into the role of branch manager and sales manager for the new Grand Rapids location. In 2023, he assumed the position of Sales Manager for Michigan, continuing to serve clients in Detroit, Lansing, and Grand Rapids. Mark’s extensive background reflects his passion for building and nurturing relationships, anticipating customer needs, and delivering exceptional service and solutions.
Tammy Nelson
Office Manager
The joy of bringing all the elements together and ensuring a smooth flow has always been close to Tammy’s heart. She has worked in the Business Management field for over 20 years, streamlining processes, optimizing team efficiency, and fostering a positive work environment. She values open communication, effective teamwork and a dynamic, challenge-driven environment.
Outside of work, Tammy enjoys baking, golfing, traveling and spending time with her husband, children and grandchildren.
Industry Involvement
Great Lakes Window Cleaning was one of the founding members of the International Window Cleaning Association (IWCA), founded in 1989. Committed to promoting the highest industry standards and enhancing education, Great Lakes Window Cleaning was involved in IWCA’s formative years.
Great Lakes Window Cleaning is or or has benefited from memberships in various other industry associations such as the Scaffold & Access Industry Association (SAIA), The National Federation of Master Window & General Cleaners (U.K.), The Greater Lansing Home Builder’s Association, Building Owner’s and Manager’s Association (BOMA), International Facility Management Association (IFMA), The International Window Cleaning Association (IWCA), Power Washers of North America (PWNA), Michigan State Chamber of Commerce.
Our active involvement in such associations not only keep us current on the regulations and improvements in window cleaning equipment, chemicals, and techniques; it keeps us in touch with the ever changing needs of our clients.
