Meet Our Pros
RTC is fortunate and prides itself on having one of the best teaching staffs in Minnesota. Most of our tennis professional have not only excellent teaching backgrounds, but extensive experience and success playing tennis at a national level. Our staff can provide excellent instruction and coaching to players ranging from novice to players with national rankings.
Tim Butorac
- Two summers – National Tennis School
- 24 years Head Tennis Coach John Marshall High School
- Five years – Northbrook Racquet Club
- Thirty years – Director of Tennis, Rochester Tennis Connection (formerly Rochester Indoor/Outdoor)
Josh Heiden
- 1996-99 (3 years) - Aberdeen, SD Parks & Rec
- 1999-02 (4 years) - Tennis and Life Camps
- 2002-07 (5 years) - Rochester Tennis Connection
- 2007-11 (4 years) - Happy Hollow Club (Omaha, NE)
- Presently - Rochester Tennis Connection
Kornelia "Korni" Staniszewska
- 3 years Tennis Instructor, Great Life, Sioux Falls, SD
- 2016–2018 – Three-time Oracle/ITA Division II All-American honor in Singles
- 2015-2019 – ITA Scholar Athlete
- 2019 – Central Region ITA Senior Player of the Year
John Kauss
- St. Paul Urban Tennis Center - 2 years
- Interlochen Country Club - One year
- Woodale Tennis and Healthcub, Whitebear Lake Tennis and Life Center 4 years
- UWL - Ass't men's and women's tennis coach one year
Jeff Butorac
- Has been teaching at RTC since 2002
- Ass't Coach UW Eau Claire's women's team - one year
- Burnsville High School, Burnsville, MN Boys Ass't coach - two years
Erich Grabowski
- Teacher/coach since 1971.
- Coached high school tennis for 21 years and compiled a 245-58-3 record. Coached 21 top ten teams, 17 top five teams, 5 top two teams and had 3 state team championships. Additionally, had 20 individual state champions. Was named Mississippi Tennis Assoc.
- Am a member of the USPTA – P1 rating.
Dang Lee
- 3 years Tennis Instructor, St. Paul Urban Tennis
- Coached various metro High Schools
