Preparing you for the adventure that lies ahead!

Staff, Crew & Boats

Who We Are

All our Instructor, Dive Master, Back-up, and Support staffs are experienced divers who enjoying sharing their love of diving with other people. Our staff of instructors alone has a combined total of over 65 years of experience in teaching people to dive. All of our instructors are certified to teach a multitude of specialty diving courses, and are recognized by SSI as either Advanced Open Water Instructors or Master Instructors, up to Dive Control Specialist (Dive Master) Instructors. In addition, we have PADI instructors on staff.

Our Fearless Leaders

Bob Karl - Contact Bob

SSI Master Instructor/Dive Control Specialist Instructor

SSI Instructor for Multiple Specialties

YMCA Silver SCUBA Instructor

University of Minnesota Faculty Instructor (Course# PE1205)

US Coast Guard Certified Captain: Great Lakes & Inland Waters

25+ year veteran of the local SCUBA industry

3000+ dives logged around the world

 

Shawn Jones - Contact Shawn

SSI Instructor: Advanced Open Water & Multiple Specialties

SSI Dive Control Specialist Instructor

YMCA SCUBA Instructor

US Coast Guard Certified Captain: Great Lakes & Inland Waters

 

 

Instructor Staff

Ricky Biga

SSI Open Water Instructor
Quote About Diving: "I scuba dive because space is boring."

 

Michelle Curci

SSI Open Water Instructor

 

 

 

Hanz Lehrke

SSI Instructor: Advanced Open Water & Multiple Specialties
SSI Dive Control Specialist Instructor

 

 

John Mazzarella

SSI Instructor: Advanced Open Water & Multiple Specialties
Manufacturer certified technician for Atomic Aquatics and Scubapro; Aqualung Master Technician

 

 

Mark Pagel

SSI Master Instructor/PADI Advanced Open Water Instructor
30+ year veteran of the local SCUBA industry
Manufacturer certified technician for Atomic Aquatics, Scubapro, Apeks, and a bunch of other brands; Aqualung Master Technician

 

Mary Radtke

SSI Open Water Instructor
Manufacturer certified technician for Aqualung and Atomic Aquatics
Advice to New Divers: "If you're looking for me,You better check under the sea, 'cause that is where you'll find me, Underneath the sea, lab, Underneath the water, Sealab, at the bottom of the sea."

 

Ken Ries

SSI Instructor Advanced Open Water & Multiple Specialties
Ken's Hokku About Diving:
"under sea
though buddied, alone - peaceful.
where I Am"

 

Brad Rolfs

SSI Instructor: Advanced Open Water & Multiple Specialties
SSI Dive Control Specialist Instructor
TDI Advanced Nitrox, Decompression Procedures, and Trimix
GUE Fundamentals of DIR / TDI Advanced Gas Blender
Manufacturer certified technician: Aqualung; Atomic Aquatics
Quote About Diving: "At all levels, dive education should be a mentoring process. The learning, and teaching, shouldn't end when a certification card is issued."

 

Andy Leidel

SSI Instructor: Advanced Open Water & Multiple Specialties
Manufacturer certified technician for Atomic Aquatics and
Scubapro; Aqualung Master Technician
Diving since 1988
Current Area of Diving Interest: "Underwater Photography."
Andy's UMN SCUBA photos

 

 

Assistant Instructors, Dive Masters & Backups

David Yang

SSI Dive Control Specialist/Assistant Instructor
Current Diving Interests: Ice Diving, Spearfishing
Quote About Diving: "Diving for me is a special feeling because of the peaceful serenity. All you hear is the whisper of bubbles, maybe the sound of a parrotfish crunching coral, or the booming of a grouper. Other than that, there are no yelling, no talking, no noise, just tranquility."

 

 

 

David Paulu

SSI Dive Control Specialist/Assistant Instructor
Manufacturer certified technician for Scubapro; Aqualung Master Technician
Favorite Place to Dive: "Isle Royale in Lake Superior. Even though the water is a little chilly the wrecks are awesome."

 

 

Erik Green

SSI Dive Control Specialist/Assistant Instructor
Favorite Place to Dive: "The warm waters of Lake Superior."
Current Area of Diving Interest: Shipwrecks and underwater technology (ROVs, drop cameras, side scan sonar)."
Quote About Diving: "The key to a good dive is a calm mind."

 

Seth Mayotte

SSI Dive Control Specialist/Assistant Instructor
American Red Cross First Aid & CPR/AED Instructor
Quote About Diving: "Maintaining mental buoyancy is essential for a good dive."

 

Mike Thompson

SSI Dive Control Specialist/Assistant Instructor
In addition to working with Superior Expeditions, Mike usually teaches the regularly scheduled SCUBA Skills Update course at Northland Scuba.
Quote About Diving: "Good divers are always learning. Whether it's refreshing old skills through an update class or learning new skills in a continuing education class, you should always try to improve your skill level."

 

Milena Sivertson

SSI Dive Control Specialist/Assistant Instructor

 

 

 

Matt Steere

SSI Dive Control Specialist/Assistant Instructor

 

Linse Lahti

SSI Dive Control Specialist/Assistant Instructor

 

 

 

Boats

Sol Mates

54’ Bluewater Cruiser with a beam of 15’, features: two private sleeping cabins; two heads with showers (one also with a bathtub); a large air conditioned/heated salon area; full galley (stove, microwave, large refrigerator); covered dive deck; and a large sun and foredeck area.

 

 

Sunshine II

30' Trojan with twin 225 horsepower engines. Equipped with a full galley, running water, and head. Sleeps six. Ready for six divers, plus Captain and crew.

 

Betsy

20' Bombard hard hull with twin 60 horsepower engines.
Carries up to six divers, plus Captain and crew.

 

Roadtrip

18' Avon hard hull with a single 100 horsepower
engine. Carries four to six divers, plus Captain and crew.