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


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

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

Erich Grabowski
- Teacher/coach since 1971.
- Taught at the Racquet Shop, Greenwood Country Club, Plantation Pines Tennis Club, The Racquet Club, Pine Burr Country Club, Bayou Bluff Tennis Club and Rochester Tennis Connection.
- 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.
- Coach of the year in 2000 and National Federation Interscholastic Coaches Federation Coach of the Year for Section 3 in 1998.
- Have been a certified USTA official for 20 years.
- Since 2001 have volunteered time to the Lake City Tennis Teams.
- Am a member of the USPTA – P1 rating.
