The Okauchee Lake Sailing School prides itself on providing a safe, fun, informative, memorable experience to all students. We reflect these qualities through our instructors. Our instructors are experienced and know how to coach sailors, of all ages, to help them achieve their goals.

Below is a some more information on our 2017 staff.

Head Coach: Tom Groskopf

Tom’s sailing experience started at Okauchee Lake Sailing School when he began sailing Optis at age 5. As he continued to sail Optis at OLSS he began racing for the yacht club tomand started developing friendships and a passion for sailing. Tom would go on to sail 8 years of Optis, 7 years of X-boats and is now in his 8th year of sailing 420s. In addition to being a student at OLSS for 14 years, Tom was a member of the Oconomowoc Varsity Sailing Team and the Milwaukee Youth Sailing Team in his high school years. In those years, Tom won 3 high school state championships. Currently, Tom is a skipper on the University of Wisconsin Sailing Team and sails C-Scows competitively with his family on Okauchee Lake. Tom has been a part of numerous regattas in his career at the national and local level. Tom’s favorite part about sailing is the great friendships he has made over the years. Prior to instructing at Okauchee Lake, Tom instructed at the Oconomowoc Lake Club for 3 years. Summer of 2017 will be Tom’s 3rd year instructing and 16th year of involvement at the Okauchee Lake Sailing School.

X-Boat Assistant: Mike Didier

Mike’s family moved onto North Lake when he was ten years old, that same summer he mikestarted sailing X-Boats at the North Lake Sailing School. After six years of X-Boats he sailed for two years on the Marquette High Varsity Sailing Team. Last year Mike re-booted the laser fleet on North Lake, which went from being him alone to a fleet of eight boats and counting. For his efforts he received the Sportsmanship and Perseverance Awards, the highest honors the NLYC awards. This year will be Mike’s second year teaching at the North Lake Sailing School and Okauchee Lake Sailing School.


420 Racing Assistant: Parker Trepton

Parker Trepton learned to sail when he turned 8 and has been sailing ever since. He grew up sailing on Lac Labelle. Once he was in high school he joined the Oconomowoc sailing team. He skippered four very successful years while at Oconomowoc that included 2 state championship titles and multiple national regattas. Now he attends Parker 1University of Wisconsin Milwaukee where he still sails. Parker often says that his favorite thing about sailing is the community that surrounds it. He loves being able to teach the younger generation of sailors, while at the same time being able to compete competitively on a national level. His favorite boat to race in is the 420. When the college season of sailing is over he enjoys sailing the C scow in the summer. Sailing is one of the biggest things in his life and he looks forward to seeing where it takes him to next.

Opti, Beginner 420 Assistant: Molly Burns

Molly grew up sailing on Pewaukee Lake. She started sailing in the Opti when she was 5, and loved the water. She then decided she wanted to sail with someone else for some company, and started sailing on the X-Boat. After she aged out of that boat, she then joined the high school sailing team with Arrowhead and earned a state championship in 2013. While sailing the 420 in high school, her and her dad also sail a C boat on Pewaumollykee Lake. They continue to do this and love spending time together on the boat. They love traveling to different regattas. Molly also won the Youth Achievement Award at Pewaukee Yacht Club, for being an outstanding sailor and role model. Molly will be a sophomore at the University of Kentucky in the fall. This will be Molly’s fourth year coaching and can’t wait to see what the summer holds!

420 Racing Assistant: Gavin Burkhart

Gavin learned to sail Optis on North Lake when he was 10 years old. He sailed Optis for 2 years befogavin.jpgre sailing X boats for 3 years. Gavin attended Arrowhead High School where he sailed on the team for 4 years. After X boats, Gavin sailed Club 420s where he competed locally as well as nationally. Gavin graduated from Arrowhead in 2016 and currently attends Old Dominion University where he is on the varsity sailing team. He currently sails M17s and E scows on Pewaukee and C scows on Okauchee. This is Gavin’s 3rd year coaching and is also the head coach on Nagawicka Lake.

Opti Assistant: Margo Wohlfeil

Margo Wohlfeil started sailing off in 8th grade, a little later than most kids, but still loves it just the same. When her family moved onto Okauchee Lake almost 6 years ago, she decided to make sailing a bigger part of her life. She had the awesome opportunity tomargo race 420s all through high school on the Milwaukee Youth Sailing team where she met some amazing friends and found an even greater appreciation for the sport. She is going into her senior year at Drake University in Iowa. This is Margo’s first official year coaching, and she is so excited to spend the summer on the water!



Opti, 420 Beginner Assistant: Roger Raguse

Roger`s first sailing experience started with friends. From then on, he always sailed a sunfish during his time in cub scouts and boy scouts. Once he started at Oconomowoc High School, he got recruited by close friends to join the sailing team. Roger sailed all four years of high school for Oconomowoc Varsity sailing team doing as many Fall and rogerSpring regattas as he could. He became very tightly knit with sailors from all different schools. Roger has competed in national level Regattas in the 420 such as Mallory`s, Atlantic Coast challenge, and won a state championship in 2012. Roger has made lifelong friends that no other sport could have given him and he feels very strongly about creating the same experience for other sailors. Roger went on to coach at Okauchee starting after he graduated high school and was the head instructor at Oconomowoc Lake Club during the Summer of 2016. His passion for the sport and enthusiasm helped create a fun and good learning environment for all levels of sailors. This will be Rogers 4th year instructing at Okauchee. Roger acquired a C-Scow in the summer of 2016 and plans to race it this summer and compete in the CWYA.