About Rin Robyn Pools®

Over half a Century of Excellent Service and Design

Rin Robyn Pools offers design, consulting, and construction for custom inground swimming pools as well as major repairs and renovations throughout the Northeast and Mid-Atlantic Regions. We also work with Partner companies across North America and around the world. With over 60 years of experience in the industry, we are happy to provide you with the best swimming experience in the region.

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Our Team


Laura Vonderosten

Retail Manager

Laura is the retail manager here at Rin Robyn Pools, where she is the team leader to all the retail associates. She handles all of our retail customers and helps out wherever she can! In Laura's free time she likes to spend time with family and friends. She enjoys hiking, running, snowboarding, and travelling to see new places.


Ryan Harmer

Project Manager
CBP Certified Pool and Spa Building Professional ℠

Ryan Harmer, a native of Hamilton Square, NJ, has been with BioNova and Rin Robyn Pools since 2017 and is a CBP Certified Pool and Spa Building Professional ℠. He graduated from Virginia Tech in 2001 with a degree in Communication and a minor in Leadership Studies. He then went on to receive the degree of Master of Professional Studies in Leadership Education and Development from the University of Maryland. Ryan was commissioned as an Officer in the United States Navy through the Virginia Tech Corps of Cadets. During his 14 years in the Navy he earned his “Wings of Gold” as a Naval Flight Officer and flew aboard the P-3 Orion as both a navigator/communications officer and the Tactical Coordinator. He deployed to several locations including Sigonella, Curaçao, Kinloss, Scotland, and various countries throughout the Middle East. Following his naval service he worked with the Federal Government with the Department of the Interior and has private sector experience in sales and logistics. Ryan currently resides in Robbinsville, NJ with his wife and two children.

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Mary Long

Accounting Manager

Mary has been the Accounting Manager at Rin Robyn Pools since 2014. She graduated from Rutgers University with a B.A. in Economics and accrued credits toward a MBA in Finance from Fairleigh Dickinson University. Mary held positions as a financial reporting analyst and manager at Fortune 500 companies in the mass media, electronics and insurance industries. She was a competitive swimmer and lifeguard certified. In her free time Mary enjoys reading, gardening and going to the beach.  A avid dog lover, Mary has owned and fostered several beagles.

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Donovan Marhold

Landscape Designer/Project Manager
CBP Certified Pool and Spa Building Professional ℠

Donovan Marhold is a Landscape Designer and Project Manager for Rin Robyn Pools with over 20 years of experience in the swimming pool industry and is a CBP Certified Pool and Spa Building Professional ℠. He is passionate about assisting you in creating the perfect custom swimming pool, pond, outdoor kitchen, fireplace, spa, gazebo or pergola (to name just a few things) for your backyard sanctuary. If you can dream it, Donovan and his team can make it happen! In his spare time Donovan enjoys gardening, sculpting and antique repurposing.


Sam Rudy

Associate Project Manager

Sam, a native of Fairfax, VA, is a recent graduate from the University of Pittsburgh, receiving a B.S. in Ecology and Evolution. He lived several places growing up, most notably Hawaii and Germany, which helped develop his love of nature and biodiversity. Sam is an Associate Project Manager for Rin Robyn Pools, helping with the design and construction process of Natural Pools and wherever else he can in the company. In his free time, he enjoys hiking, kayaking, and disc golfing. 



Retail Associate
Renan is one of our retail associates here at Rin Robyn Pools. He's very customer oriented and strives to help out where he can. In Renan's free time he enjoys hiking, attending concerts, travelling to new places and meeting new people!


Retail Associates
Victoria just graduated from Hackettstown High School, she will be attending Centenary University majoring in forensic science with a minor in chemistry. In her spare time she enjoys hiking, reading, and listening to new music!


Retail Associate
Rocco went to Montclair State University and received his undergraduate degree in communication and media. He will be returning to Montclair in the fall to get his masters in speech pathology. In his free time he enjoys watching sports and listening to music.
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Service Technician
Humberto is from Peru and has been working with Rin Robyn Pools since 2019. He helps in our service and installation departments and has always been a great help! Humberto enjoys spending time with his wife and kids on his days off as well as playing soccer.

For more information fill out our contact form or schedule an appointment

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