As managing member of Great Lakes Diving Center and Sharkfinder CCR I welcome you to our group of companies. A little background on me, I started diving in high school and ended up being a fully certified commercial diver in my mid 20's. I have enjoyed dive travel and have created a multitude of connections in the public safety and commercial diving world

Mark is a member of the business! He has a lengthy resume for diving including many dives to famed wrecks like the Andrea Doria and USS monitor! He also has participated in film projects for the Military Channel and Discovery Channel and is a current member of the Explorers Club. He is on staff as an instructor for both recreational and tech and Is currently certified to teach the AP rebreather platform! He is also a captain! He splits his time between Wisconsin and the Florida keys!

Marty Watson is a tech instructor associated with the shop. he has a long resume including dives of over 600 feet deep and many cave penetration dives. He is currently a Meg CCR instructor with Innerspace systems Meg rebreathers!

Captain Coleman has worked with us for the last 5 years. He is a seasoned captain who runs our dive boats and maintains them! He is a diver also and former USCG rescue swimmer! He is ready to take you out diving on Lake Michigan and Lake Superior!

Brian is the shop general manager, instructor, and service technician. He has been an instructor for nearly 20 years and recently joined us and switched over to SSI. If he isn't at the shop he is normally snow boarding or enjoying winter sports!

Ray is a shop divemaster who enjoys doing deep dives all over the Great Lakes! He is currently certified on the JJ-CCR and Meg rebreathers! Ray is also the website's webmaster.