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Meet Our Dedicated Team at All Seasons Pools & Spas, Inc.

All Seasons Pools & Spas, Inc. is focused on providing exceptional service to our customers in the Chicagoland suburbs. Not only do we pride ourselves upon offering some of the best products in the industry, but we also work hard to retain one of the most knowledgeable retail staffs found in any brick-and-mortar pool and hot tub store in our area. We have the distinction of having our team nationally recognized as being among the best swimming pool builders in the country.

Whether you’re a loyal customer who’s been with us since our inception in 1954 or you’re a new customer discovering the many benefits we have to offer, we encourage you to take a few moments and familiarize yourself with key members of our dedicated staff and leadership team. If there’s ever anything we can do to serve your needs better, please feel free to contact us and let us know!

Doug Mayhall

Doug Mayhall

Chairman and CEO

Doug's father, Gene Mayhall, founded All Seasons under the name National Pools of Palos in 1954. Gene Mayhall passed away at an early age, leaving his wife, Claudia, at the helm. At an early age, Doug was drawn into the pool business and has never looked back. Doug's leadership, knowledge, and concern for taking the best care of all of our customers is a driving force behind what makes All Seasons so successful.

In addition to his duties as Chairman and CEO of All Seasons, Doug has served on the Board of the Midwest Chapter of the Association of Pool & Spa Professionals (APSP), currently serves as a board member and past Chairman of the Board to Carecraft, a leading industry buying group, and is President of the Board for the Illinois State Rifle Association. Doug has numerous Genesis 3 Design Group certifications and has earned the Genesis Gold Member designation. Doug is also an APSP-Certified Building Professional, APSP-Certified Service Professional Certified Pool Operator, and a Certified Swimming Pool Facility Contractor.

Dan Lenz

Dan Lenz

Vice President

Dan joined the All Seasons team in 1987 while working his way through college, eventually finding a home in an industry that was far from his original thoughts of becoming a high school music teacher.

Through his many years in the pool industry, Dan has held almost all of the National Spa and Pool Institute (NSPI) and Association of Pool & Spa Professionals (APSP) certifications and is currently an APSP-Certified Building Professional, an APSP-Certified Service Professional, as well as an APSP-Certified Trainer. He authors many articles that are published in trade magazines, such as Pool and Spa News and Aqua Magazine, teaches seminars at industry trade shows, has served as a judge for the APSP International Awards of Excellence. Dan is currently serving as President on the board of directors for the Midwest Chapter of the APSP, and is the current Vice Chairman of the APSP's National Service Council.

Tom Sekulski

Tom Sekulski

Vice President

Tom Sekulski is a retail operations professional focused on excellence and commitment to customer service. Tom became a team member at All Seasons in 1995 at the young age of 15 years old as a part-time employee. Through working in the retail store while in high school, Tom developed his skills in customer service and quickly increased his knowledge of our products and the pool industry.

Tom’s strong work ethic led him to advance quickly within the company, first as Retail Manager. Over the years, he has taken on and retained leadership roles in retail, purchasing, and marketing operations for All Seasons, most recently as Vice President. Tom is passionate about customer service and about confidently delivering the best products and support to everyone who chooses All Seasons.

Tom has earned APSP technical certifications and has completed hundreds of hours of water chemistry training from nationally recognized leading pool and spa chemical manufacturers. Tom’s skills and dedication have earned him, on multiple occasions, both Employee of the Quarter and Employee of the Year Honors.

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