About Us

Paul Olesuk - Owner

Paul is GPS’s next generation of Olesuks. Outside of the four years that Paul lived in Las Vegas and worked as a musician, Paul has been part of the Graduate team since 2010.  Like his Dad, Paul has deep knowledge of the principles of pest management and in 2011, completed the rigorous program in Pest Management Technology through Purdue University. He holds supervisory licenses in both CT and MA, helping GPS customers solve their pest problems. Born in Chicago and raised in Western Massachusetts, Paul is a trained jazz trombonist who has played professionally on the east coast as well as in Las Vegas. He enjoys both the music world and the customer service environment of GPS.

Glenn Olesuk - Founder

Glenn is the founder of Graduate Pest Solutions. Educated as an Entomologist in the Forestry Program at Syracuse State University, Glenn has a true fascination with insects, their behaviors, and life cycles. Glenn is equally passionate about solving problems and helping people. For him, GPS’s mission says it all: Knowledge & Service for Your Comfort & Health. Over the years and under his leadership, Glenn has set the tone for Graduate’s positive culture that is both customer and employee-centric. He is well known for his practical wisdom and quirky sense of humor. Glenn is an avid hiker in his free time, drawn to the forest and the mountains.

Brenda Olesuk - Owner

Brenda is both the co-founder of Graduate Pest Solutions and an entrepreneur by nature and she presides over the marketing, finance, administration, and strategic aspects of our company. Prior to joining Glenn in building Graduate, Brenda enjoyed working with numerous companies in a variety of industries, helping them grow to the next level and has held executive positions in the accounting and finance industry.  Over the years, Brenda has shared her knowledge and passion for business at numerous regional and national seminars and conferences, serving as a training facilitator, presenter, and topic panelist.

Sheena Saunders - Customer Service Manager

Sheena is at the center of Graduate’s customer service. She enjoys speaking with people to understand their needs, answer their questions and will work to promptly schedule our technicians to serve our clients. As out "Queen Bee," Sheena keeps everything buzzin’ at GPS! Sheena lives in Monson doing what she loves best, being with her family and raising her three children.

Jabes Rosado - Service Supervisor

'Havi' is licensed in both Massachusetts and Connecticut. His prior automotive, mechanical, and customer service background is a great match for Graduate's standard for customer service. Our customers are grateful for his thoroughness, approachability, and reliability. He resides in East Windsor, CT, and spends his free time with his young family.

Tiffany Lopez - Customer Service Representative

Tiffany excels at customer service, organization, planning, scheduling, and multitasking, making her a perfect fit for tending to Graduate’s clients. You will hear from Tiffany after your service and she’ll take your feedback to ensure we’re always performing at our best. In her personal time, she loves spending time with her family and lounging in their hammocks. She has a passion for baking, cooking and and an eye for design.

Mary Muzzy - Bookkeeper

Mary has several years of accounting and payroll experience, and she enjoys working with numbers and auditing.  Mary is detail oriented and there is no task she isn’t willing to happily complete. When Mary is not working with Graduate, she enjoys the outdoors, baking, knitting and reading.