Our Team


Denver J. Stutler, Jr.

Chief Executive Officer and Co-Inventor

Denver Stutler, Jr.’s 30-year career includes a unique combination of both public and private sector experience in the water infrastructure industry at an executive level. With a background in civil engineering, Denver began his career in 1989 by joining Camp Dresser and McKee, Inc. (CDM), an international environmental engineering firm.

Dana Austin Research and Development

Dana  Austin

Manager, Research and Development

Dana Austin is the co-inventor of SediVision with over 30 years’ experience in Marine science and Industrial Environmental Management.


David Graves

General Manager

A graduate of Texas A&M University at Galveston with a bachelor’s degree in Marine Biology, David Graves is no stranger to seeing in dark water. He’s studied benthic habitats in the muddy waters of all the major bay systems along the Gulf Coast and has managed assessments of inland and marine water bodies.

David is passionate about the environment and community involvement. He serves as Chair of the Volunteer Services Committee for the Tampa Bay Association of Environmental Professionals and participates in community service projects including coastal and river cleanups, shoreline restoration, and volunteering at the local food pantry.

David and his wife, Carrie, enjoy the small-town life of Dunedin with their two dogs and cat.


Jim Spencer

Project Manager

In 2004, Jim Spencer began in the industrial waste sales division for Waste Services (now Waste Connections) and has spent 30-years focusing on the areas of bio-solids, recycling, industrial, hazardous, special wastes, and hauling and disposal.

A Florida native, Jim attended the University of Florida and has a degree in Business Administration.

He resides in Southwest Florida with his wife, Nicolina, and their two children, Charlie, and Katie.


Caroline Dunkel

Data Analyst

Caroline is from Punxsutawney, PA, home of the world-famous weather-predicting groundhog, Punxsutawney Phil. She completed her undergraduate degree at Clarion University of Pennsylvania and then served a year in AmeriCorps before getting her Master's degree in Geology at Bowling Green State University in Ohio.

Caroline applies her knowledge of sediment dynamics, hydrology, and geospatial sciences to further the research and development of SediVision to help the wastewater industry.

Caroline lives in Manatee County with her boyfriend, Spencer, and their dog, Eevee.


Matt Moran

Survey Technician

Matt is originally from Cherry Hill, New Jersey, and attended Daytona State College in Florida where he earned an associate degree in Business.  He also earned a bachelor’s degree in Business Management, with a focus on Operations, and an MBA from the University of Phoenix.

Matt is an active member of the Army National Guard, serving to protect communities here at home, and supporting our active-duty military forces abroad.  At SediVision, LLC, Matt applies his business and operations training every day, working on-site at wastewater treatment facilities performing analysis and data collection.

Matt enjoys playing golf and spending time with his family.  He and his wife, Dina, reside in Volusia County and have four children, Annabelle, Matthew, Jr., Sophia, and Zachary.