Our Company

Our Company  |  Our Process  |  Testimonials

Our Commitment to You

“Our focus is on providing guidance based on our many years of experience coupled with a commitment to conservation and intelligent design. So much of our success has come from a commitment to people, not only to our clients, but also subcontractors, vendors and fellow business professionals. Every day I ask for performance above and beyond on our projects. Our success is based on the this willingness to serve.”
– Ken Larison

Your Expert team

Pools by Design has an excellent and highly skilled team with a passion for quality design and construction and true dedication to customer service. Your team will provide comprehensive services, from design through completion, of swimming pools, spas, and outdoor living features. Our company’s success is created one happy client at a time.

Kenneth Larison

Ken Larison


ken@poolsbydesignaz.com 520.906.1920
Ken Larison is a graduate from the University of Arizona with a Bachelor of Science degree in Landscape Architecture. Ken enjoys working with customers and existing site conditions to create a design that flows comfortably while enhancing the view and surrounding architecture. Ken pushes to develop new technology, conservation and construction techniques, and products to better serve customers each and every year. Each project is an opportunity to provide a better overall experience. After 40 years in the industry Ken still rushes to his first project each and every day because he is so excited to see how the process brings his ideas to life.

Maryanne Larison

Designer | Vice President

maryanne@poolsbydesignaz.com 520.780.3034
Maryanne Larison is a graduate from California Polytechnic University and finds great satisfaction in the design process. Her favorite part is seeing the look on her client’s face once their dream backyard has become a reality. Maryanne enjoys working on new ideas and technologies and developing designs that complement the needs, desires, and unique spaces of each individual client. Maryanne grew up always wanting a beautiful backyard with a swimming pool so working in this industry is a dream come true.

Mark Ragel

Chief Operating Officer

mark@poolsbydesiganz.com 520.797.6675
Mark brings over 40 years of industry expertise to the team and has served as Chairman of the Board of the International Master Pool Guild, President of the Executive Association of Tucson, and President of the local chapter of the Association of Pool and Spa Professionals.

Candis Adams


candis@poolsbydesignaz.com 520.977.8905
Candis is a graduate from Cal State Fullerton. Candis has been working with Ken since Pools by Design started and followed him from two other pool construction companies bringing over 15 years of experience to the team. Candis enjoys working with people and strives to create a pleasant experience while going through the process of building your dream backyard. Candis is happily married with three sons, one daughter, and Patch Adams, their dog. Candis enjoys running and has completed three marathons and many half marathons.

Nick Fiello


nick@poolsbydesignaz.com 520.245.9923
Nick is a graduate of the University of Arizona and when he joined Pools by Design he already had 10 years of experience and over 400 pools completed. Nick’s goal is to bring integrity, experience, and creative vision to every phase of the process from to better help bring your dream to life. He designs pools to satisfy his creative itch but loves his job because he gets to build something from concept to completion and have a long lasting impact on people’s lives. Nick grew up in Tucson and remembers many laughter filled summers with family and friends around the pool. He is looking to spread that joy and revels in knowing that he is making this world a little happier one pool at a time.

Ashlynd Tahy


ashlynd@poolsbydesignaz.com 520.248.9729
Following an extensive dual master’s program in architecture and landscape architecture at the University of Arizona Ashlynd worked in landscape design where she came into contact with Ken Larison on multiple projects. Ashlynd was so impressed by Ken and Pools by Design that she ended up joining the team.
As a pool designer Ashlynd’s first priority is always to get to know the customer and their needs. She loves the challenge of using her extensive design experience to create a landscape, water feature, pool, or spa solution that is a perfect fit for each customer.

Sherri Rotchford

Project Coordinator

scheduling@poolsbydesignaz.com 520.797.6675
Sherri is married with two children and three sweet greyhound rescues. She loves helping others, and complicated puzzles – both of which serve her well as construction scheduler. Sherri strongly believes that her highest mission is exceeding customer expectations, and she takes it seriously.

Tracy Johnson

Project Manager

tracy@poolsbydesignaz.com 520.850.1420
Project management at Pools by Design is Tracy’s dream job. She loves the constant challenge and the magic of turning a design into a real functional part of our client’s lives. Her 30+ years of experience in pool construction and her drive for perfection has made her our dream project manager as well!

Alyssa Horger


alyssa@poolsbydesignaz.com 520.797.6675
Alyssa is originally from Texas but quickly admits she now considers herself a permanent Tucson resident. Alyssa has a knack for organization, efficiency, & accuracy that serves her well with accounting, but her true passion is customer service.

Scott Culver

Service | Project Manager

scott@poolsbydesignaz.com 520.260.6230
Scott is a happy husband and father of three and a true jack of all trades – if it is about pools he knows it! His extensive experience in the industry allows him to quickly resolve any pool issue, and his focus on customer service gets a smile from every customer. Even as the temperature breaks 110° Scott is out around town teaching people how to use their equipment, performing repairs, and generally keeping things moving.

Jim Dahnke

Renovation Manager / Project Manager

JD@poolsbydesignaz.com 520.797.6675
Jim is the local pool spa and water feature renovation expert behind Pools by Design’s renovation department. Renovation requires in depth knowledge of current technology, techniques, and materials, as well as experience with previous pool technologies. Jim is a master of both – a fact his many happy customers can attest to.