Our Staff

Mark Brunner

Mark Brunner

Owner, Manager, Teaching Pro

Mark’s early tennis career included successful seasons on his high school and college teams. In 1994, he began to teach tennis full-time at St Clair Tennis. He also helped coach boys and girls teams at Belleville Township High School East. He is certified with the USPTA and many of his students have been State Qualifiers and have earned college scholarships.

Naomi Brunner

Owner, Manager

Naomi has been a recreational tennis player since her WI childhood. Before her involvement at St Clair Tennis, she enjoyed careers as a Registered Nurse and Personal & Family Counselor. She has taught the “Mental Training” in the EX Program and focuses on providing a positive tennis experience at St Clair Tennis.

Nick Mueller

Director of Tennis, Teaching Pro

Nick played high school tennis and also was on the college team at the University of WisconsinOshkosh. He began teaching tennis during his college years and went on to coach at various colleges, the last being Head Women’s Coach at SIU-Edwardsville. Nick is certified by the PTR. At St Clair Tennis, he is the Director of Tennis.

Debbie and Nick

Dan Brunner

Teaching Pro

Dan has been playing tennis since the age of 6 and went on to play for his high school team, where he was Conference champion and a State Qualifier. He was awarded a tennis scholarship to Southwest Illinois College. He was an assistant coach at Belleville West and became a full-time teaching pro in 2013. At St Clair Tennis, Dan is the Junior Development Program Director and the Director of Racquet Maintenance.

Dan Brunner
Dave Kelley

Dave Kelley

Teaching Pro

Dave grew up playing tennis and was on the Varsity team at Althoff High School in Belleville. After graduation from SIUE, he began his full-time career at St Clair Tennis as a Teaching Pro. He has coached many State Qualifiers and College tennis scholarship recipients.

Matt McGowan

Matt McGowan

Teaching Pro

Matt began playing tennis at the age of 8. He played on his high school team and then played #1 Singles and Doubles for the University of Illinois – Springfield. He has been teaching since he was in high school and assisted with coaching at U of I – Springfield. He is certified by the USPTA and is the Director of the EX Program at St Clair Tennis.

Johnny Connors

Teaching Pro

Johnny has a storied tennis history, training in the Belleville/East St Louis area with his brother, Jimmy, with many experiences on the professional circuit. He now brings his skill and expertise to select private students at St Clair Tennis.

Johnny Connors - TEMP
Noah Kellerman

Noah Kellerman

Auxiliary Teacher, Lobby Staff

Noah is a Senior at O’Fallon Township High School where he plays on the Varsity Boys’ Tennis Team. He has grown up playing tennis in the St Clair Junior and EX Programs and enjoys helping teach the Juniors.

Miley Brunner

Auxiliary Teacher, Lobby Staff

Miley is a Senior at O’Fallon Township High School where she plays on the Varsity Girls’ Tennis Team. She has trained at St Clair Tennis and is a great asset to our Junior Program.

Mia McIsaac

Auxiliary Teacher (left)

Mia is a Sophomore at Belleville East High School, where she plays on the Varsity Girls’ Tennis Team. She has trained at St Clair Tennis in the Junior and EX Programs and teaches in the Junior Program.

Abigail McIsaac

Auxiliary Teacher, Lobby Staff (right)

Abigail is a high school Junior and is home-schooled. She plays tennis on the Varsity at Belleville East High School. She grew up playing tennis in the St Clair Junior and EX Programs and teaches in the Junior Program.

Christian Cowulich

Auxiliary Worker

Christian, a Sophomore college student, is a well-known area tennis player.  He played top varsity for Belleville East High School and brings a great energy to our Junior Program. 

Christian Cowulich