SLMP Mission Statement

To foster an appreciation for and enhance the management of ponds and lakes, managed by private companies, with particular concern for the aesthetic and recreational uses and stewardship of such waters. Using tools such as innovation, education, representation, accreditation, and standardization of best management practices. Advocate wise stewardship of privately owned water, promote and recruit fishing opportunities in private water environments, and protect our environment. Learn more about SLMP – download our Code of Ethics and Brochure.

Board of Directors

Matt Rayl has over 20 years of experience in the lake and pond management industry.  He has extensive experience in product development, personally and together with manufacturers bringing hundreds of products to market.  Matt was Lake Manager for one of the largest lake and pond companies in America, where he was responsible for managing a large team of experts.  He has been a member or on the board of the South Carolina, Florida, Northeast, Western, Texas, Midwest and National Aquatic Plant Management Society, as well as the Indiana, Illinois, Florida and National Lake Management Society.  Matt is or has been a part of the Indiana, Ohio, and World Aquaculture Society. Matt now lives in Indiana, where he consults for Lake and Pond owners, Industry manufacturers,  in the world of aquaculture,  lake, and fisheries management.

Mark Litwiler received a degree from Saint Leo University in Business Management graduating Cum Laude. In 1989 he started his career in pond/lake management with The Lake Doctors on the West Coast of Florida. After 12 years in the field and in management, went to work with the SePRO Corporation as their West Florida Aquatic Specialist. In 2002, he was transferred to the Midwest, as the rep for the 13 states. In 2005, Mark left SePRO to start his own company, Ponds Rx. Ponds Rx is a full-service management company located in Fishers, In. Mark has served two terms on the Board of Directors for the Midwest APMS. He is very excited to join the Board of SLMP and thinks it is a great group promoting pond/lake management groups from all over the country.

Mitchell Morton is the Vice-President and Head of Fisheries for Foster Lake & Pond Management in Garner, NC. Mitchell graduated from N.C. State University in 1996 with a degree in Fisheries and Wildlife. He began his career with Foster Lake & Pond Management in 1997 and has never looked back. In addition to managing a fast-growing company, Mitchell supervises of all trophy and balanced fisheries projects, lake design, fountain and aeration installations, and regulated SCM (Stormwater Control Measure) maintenance. He is an NC Stormwater SCM Certified Inspector, Certified SCM Construction Inspection Professional, and a Licensed Landscape Contractor. Mitchell has also been featured in NC Wildlife magazine for his skills with small pond fisheries management and is proud to serve as a Director for the Society of Lake Management Professionals. Foster Lake & Pond Management is also active in other organizations such as Stormwater Association of North Carolina, North Carolina Lake Management Society, and South Carolina Aquatic Plant Management Society. In his spare time, Mitchell enjoys coaching youth sports with his two wonderful sons, spending time with his wife, and writing/performing music with his bands.

Tim Wood began his career in aquatics eighteen years ago with the Virginia Department of Game and Inland Fisheries. Eight years ago he founded Aquatic Edge, a lake management company and full-service water garden design, repair and installation company operating in the Pittsburgh, Pennsylvania area. He is a two-time Water Artisans of the Year winner and a Master Certified Aquascape Contractor. Tim also serves on the board of directors for the Society of Lake Management Professionals, a national group of private pond and lake management companies working to advance the industry of Lake Management.

In his spare time, Tim enjoys coaching youth sports, fishing and spending quality time with his wife and two children.

Sue Cruz holds a BS in Fisheries and Wildlife from North Carolina State University. She began her career as an Aquatic Biologist with Aquatic Systems, Inc. before moving into a sales manager position with their sister company, Vertex Water Features. For 15 years, Sue has been working closely with pond and lake management companies to design and propose aeration systems to meet their clients goals based on proven scientific research. She is a member of all chapters of the Aquatic Plant Management Society, North American Lake Management Society, Vice President of Women of Aquatics as well as a founding member of the Society of Lake Management Professionals.

Robinson holds degrees in water resources with a fisheries emphasis and in biology from the University of Wisconsin-Stevens Point. He is a board of director’s member of the National Aquaculture Association, US Aquaculture Suppliers Association, the Society of Lake Management Professionals, and Mason Lake Improvement district. Other membership includes:

  • US Trout Farmers
  • US Tilapia Farmers
  • Midwest Aquatic Plant Management Society
  • Optimists International
  • National Aquatic Plant Management Society
  • Board of Directors Badger State Winter Olympics
  • Catfish Farmers of America
  • Aquaculture Engineering Society
  • Wisconsin Aquaculture Association
  • Wisconsin Lakes Association
  • North American Lake Management Society
  • American Society of Landscape Architects
  • Trout Unlimited
  • B.A.S.S.
  • National Rural Water Association
  • Wisconsin Rural Water Association
  • International Irrigation Association
  • American Fisheries Society – Fish Culture Section
  • American Farm Bureau
  • American Water Works Association

Past positions included work for the Indiana Department of Natural Resources, BLM- Colorado, State of WI., Aquatic Eco-Systems – FL., Purina-Rangen Fish feeds, Currently employed by Kasco Marine for the past 18+ years.

Guest writer for Fish Farming News for every issue for the past 20+ years.
Author of over 200 different publications and articles in scientific magazines and journals.
Guest lecturer for over 150 trade/science meetings on the topic of ponds/water quality/aeration.
Married for 30+ years, with one child (teaching in Miami).
Expertise: Pond/lake water quality, Aeration, Aquaculture in North America, The Green Bay Packers.

Bob Robinson Cell: 715 574 4784, office 715 241 8227


Director of Sales and Marketing/Fisheries Biologist

Kasco Marine –

Trent Lewis earned his Bachelor of Science in Agricultural Economics in 2000 from Texas Tech University. After a few years of experience in other industries, Mr. Lewis began PondMedics in 2004 with his wife, Emily Lewis – civil engineer and lead hydrologist for PondMedics. Mr. Lewis is a Senior Consultant with PondMedics, specializing in areas such as hydrographic surveys, dam/spillway rehabilitations, stream and stormwater conveyance management, hybrid shoring solutions, multi-scale dredging and wetland/riparian surveys using fixed wing and multirotor drones equipped with a payload of infrared sensors.

Mr. Lewis has been the President of the Upper Trinity Conservation Trust the last seven years. Additionally, Mr. Lewis serves as the Aquatic Plant Management Society, Texas Chapter President. Mr. Lewis also serves on the board of directors of the Society of Lake Management Professionals. Mr. Lewis is active and often presenting to groups such as Texas Floodplain Managers Association, Texas Rural Water Association, Texas Parks and Recreation Society and the American Society of Civil Engineers.

Trent resides in Grayson County, Texas with his wife, Emily, and their six kids. When Trent is not busy at PondMedics, he’s enjoying spending time with his family doing things like hunting, fishing, sporting clays, riding motorcycles and traveling.

Troy Goldsby joined Aqua Services, Inc. in 1999. Troy’s Dad, Terry Goldsby, founded Aqua Services in 1982 after working for the TVA and the state of Florida. With a Masters degree in aquatic botany, Terry founded Aqua Services primarily as an aquatic plant control company. Even though Aqua Services is widely regarded as one of the best, and largest, aquatic plant control companies in the world, Aqua Services is also widely respected as a great fisheries management company as well. Along with Terry, his brother Bryan, and several great employees, Troy has worked diligently to push Aqua Services to the forefront of the industry. Working for thousands of private clients, government agencies, power entities, international governments, and currently utilizing 20 airboats and multiple service boats and vehicles, Aqua Services is leading the way in the aquatics industry. Known for practicing sound science and helping to push the industry and science forward, Aqua Services continually strives to meet the highest standards in the profession. Troy is an avid outdoorsman, and when not working, or on the computer (which seems to be rare these days), he can be found hunting or fishing with his kids. Along with his wonderful wife Noelle, of 20 years, easy country life is what he enjoys most. Troy has served on the board and president of the Society of Lake Management Professionals, The Midsouth Aquatic Plant Management Society, the Alabama Fisheries Association, and the Tennessee Vegetation Management Association. Troy is looking forward to another 18 years in the industry with Aqua Services, working to provide clients with the most cutting edge fisheries and aquatic plant management techniques. He is also very excited about Aqua Services being a founding, accredited member of SLMP, and how this society can improve this industry in a profound and lasting fashion.


Society of Lake Management Professionals


The name of this Society shall be the SOCIETY OF LAKE MANAGEMENT PROFESSIONALS.


To foster an appreciation for and enhance the management of pond and lakes, managed by for profit companies, with particular concern for the aesthetic and recreational uses and stewardship of such waters. Using tools such as innovation, education, representation, accreditation, and standardization of best management practices. Advocate wise stewardship of privately owned water, promote and recruit fishing opportunities in private water environments, and protect profitability.


The principle place of business shall be located at the address of the Treasurer or at such other place as the Board of Directors may decide.



Private lake management is an important and learned profession. As members of this profession, SLMP Accredited Member Companies are expected to exhibit the highest standards of honesty and integrity. Private lake management has a direct and vital impact on the quality of life for all people. Accordingly, the services provided by SLMP Accredited Member Companies require honesty, impartiality, fairness, and equity, and must be dedicated to the protection of the public health, safety, and welfare. SLMP Accredited Member Companies must perform under a standard of professional behavior that requires adherence to the highest principles of ethical conduct.


SLMP Accredited Member Companies, in the fulfillment of their professional duties, shall:

  • Hold paramount the safety, health, and welfare of the public.
  • Issue public statements only in an objective and truthful manner.
  • Act for each client as faithful agents or trustees.
  • Avoid deceptive acts.
  • Conduct themselves honorably, responsibly, ethically, and lawfully so as to enhance the honor, reputation, and usefulness of the profession.