Tennis Club Staff

The tennis staff at Four Lakes Athletic Club (FLAC) bring a wealth of knowledge and experience to their craft.  They are passionate about maximizing the potential of every junior tennis player and adult tennis player who walks through the door. All of our tennis coaches are extremely accessible, so feel free to contact them directly with questions and for consultation. They can also help you get involved with USTA on Women’s tennis leagues or Men’s tennis leagues.

 

Tennis Pros and Coaches

Jonathan Teune - Director of Tennis

Jonathan has experience coaching beginners, elite players and everything in between. Prior to FLAC, he worked at numerous Chicago area tennis clubs. He has coached players to USTA District, Sectional and National rankings as well as college play at NCAA DI, DII, DIII and NAIA levels. Jonathan holds a PTR certification and played college tennis at Taylor University (NAIA) and Lewis University (NCAA DII).

(262) 743-2644 | jon@flaconline.com

 

Sherwin Miranda - Head Tennis Professional

Sherwin came to FLAC in 2018 after graduating from the University of Findlay (NCAA, DII) where he played tennis for 4 years on the team. He graduated with a Bachelors degree in Strength and Conditioning and an Associates degree in Personal Training. As a junior player, Sherwin was ranked top 100 nationally in his home country of India.

(262) 379-1006 | sherwin@flaconline.com

 
 

adam westhauser - Tournament Director

Adam came to us from Judson University (NAIA) in Elgin, IL where he studied marketing and played tennis (2009-2013) for the varsity team. Adam has experience teaching in his hometown of Hartford, WI, the Chicagoland area (Centre Court) and in Memphis, TN (Tennis Memphis).  He has served as the boy’s varsity tennis coach at Big Foot HS in Walworth since 2018 and the girl’s varsity tennis coach at Elkhorn HS since 2022.  Adam is certified through the Professional Tennis Registry (PTR).  

(262) 379-1006 | adam@flaconline.com

 

Brian Jaaksi - Staff Pro

Brian earned a degree from the prestigious Professional Tennis Management Program at Ferris State University. He has also earned a P2 Certification through the USPTA. Before FLAC, Brian had done most of his teaching in Georgia and Minnesota. He has trained players of all levels— from beginners to those with national rankings.

(262) 379-1006 | brian@flaconline.com

 

Julius Mutetwa - Staff Pro

As a junior player in South Africa, Julius earned a ranking as high as top 30 in his age category.  He then attended Benedict College (NCAA DII) in Columbia, SC where he majored in accounting and played 4 years of varsity tennis.  During his 4 year collegiate career he was named captain twice and earned all conference honors in both 2018 and 2019.  After college, Julius served as the graduate assistant coach for both the men’s and women’s tennis teams at Lewis University (NCAA DII) in Romeoville, IL. He was promoted to interim head coach in his final year.

 

jason frausto - Staff pro

Jason has been teaching the game of tennis for the last 25 years and has spent the last 15 years specializing in performance analysis. He started working as a performance analyst for the United States Tennis Association, the governing body of tennis for the United States in 2014. In that role, Jason worked with over fifty ATP/WTA tour players, ITF juniors, and nationally ranked players on their technique and tactics. Those players include Tommy Paul, Frances Tiafoe Taylor Fritz, Coco Gauff, Madison Keys, Reilly Opelka, Jack Sock, Bernarda Pera, Caty McNally, Amanda Anisimova, and more.

 

Additional Tennis Professionals

Lynette Trost: 4.0 level women’s tennis player with years of adult league experience/success. Has a teaching certificate and works primarily with our red/orange ball players.

Patti Jilek: 20 years of coaching experience at College Park Athletic Club in Deerfield, IL. Lives on Lauderdale in the summers!

Jennifer Lesniewski - Played varsity tennis at the University of Connecticut (NCAA DI) from 2010-2014.

Gwen Hammond: WIAA (Wisconsin) Doubles State Champ in 2020 at Wilmot HS.

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