UTA Partner

Stewart Russell

Stewart Russell is originally from Northport, New York and graduated from Roanoke College in Salem, Va. with a degree in Sociology. Stewart directs the junior and adult programs at James Creek Tennis Center.

Stewart has been a USPTA Elite professional for the past 15 years and is working towards becoming a Master Professional. Stewart is a USTA National Junior Player Development coach who participates in Regional and National events hosted by the USTA. Before joining Universal Tennis Academy, Stewart was the Head Men’s Tennis Coach at Roanoke College in Salem, Virginia for five years. He was also the Director of Tennis at Brookstone Country Club in Acworth, Ga. He has a comprehensive and extensive background in teaching players of all ages and ability levels.

Stewart and his wife Penny have two children. Their daughter, Taylor, is a certified personal trainer in Savannah and their son, Justin, plays baseball at Kennesaw State University.

Work in the Community:
– Serve and Connect @ Washington Park Tennis Center
– Volunteer assistant for wheelchair tennis program created by Ron Walker @ Blackburn TC
– Volunteer assistant for Acing Autism program
– Member of the USTA National Junior Development coaching staff for 12 years
– Volunteer in all teach-a-thons to help raise funds for AYTEF and Chattahoochee Foundation
– Coordinator of Northside Hospital Tennis against Breast Cancer annual event @ James Creek TC

UTA Partner

David Stolle

David is a founding partner at UTA and is originally from Sudbury, Massachusetts. He helps organize the programs at Chastain Tennis Center, GSU Dunwoody and James Creek Tennis Center. David earned his bachelors in psychology with a religious studies minor from the University of Virginia. He is a former number #1 singles player for the Cavaliers and was USTA/Georgia’s Junior Coach of the Year in 2002.

In addition to assisting with the tennis programs at Chastain Park, GSU Dunwoody and James Creek, David manages the UTA College Placement Program which helps connect UTA tournament players with universities. David also leads the UTA involvement in ‘Serve and Connect’ which offers free tennis classes Friday afternoons in the Fall and Spring to the students of Washington Park Tennis Center.

David and his wife Ashley, have been blessed with three energetic children: Livi, Kate, and Lex.

Work in the Community:
– Current AYTEF Board Member. Coordinated several teach-a-thons with over 75 coaches to help raise funds for AYTEF and Chattahoochee Foundation.
– Dreammakers: 3-year volunteer of free clinics to kids
– Helped create Serve and Connect program at Washington Park
– Helped organize a clothing and equipment drive for students of Washington Park. Over 700 articles of new to slightly used clothes/equipment have been distributed over the past 8 years.
– Worked with over 200 student-athletes find a college team/scholarship opportunity

Director of Tennis

Cem Gurkaynak

Cem, a native of Turkey, has been a teaching professional for 21 years, nine of which at James Creek Tennis Center. He enjoys coaching and developing players of all ages. From 1998-2003 he was responsible for training many of the top nationally-ranked juniors in Turkey. Cem started his coaching career in Turkey, as an assistant coach, at the Ankara Tennis Club. He then became Co-director of Junior Programming at the Adana Tennis &Yacht Club, where he helped develop a successful junior program. In 2003 he moved to Rome, GA where he took a position as Head Tennis Professional at Cartersville Country Club. Cem’s coaching experience includes Professional Coaches Diploma from the Turkish Tennis Federation in conjunction with the ITF; Coaches Diploma from the Ankara Tennis Club (1997); United States Professional Tennis Association (2004); PRT – European USPTA (2006).

As a junior, Cem played on the 14 & Under Turkish National team and he maintained a top 10 national ranking in both the 14’s and 16’s. He attended Cag University where he was ranked 7th in the nation. He also received Freshman, All-Region and MVP honors. He played Division 1 club tennis and competed on the ATP and ITF professional tours. In 2004, he had a Georgia doubles ranking of 2.

Tennis Professional

Clement Darko

Clement was born in Accra, Ghana where he learned to play tennis. In 1998, he was named to Ghana’s Davis Cup team and he competed professionally on the men’s tennis circuit. He was consistently ranked Nationally in the top 5 and achieved a top 80 ranking on the International Tennis Federation (ITF) Junior Circuit. He won two junior doubles tournaments with partner Lleyton Hewitt. As a junior, he was brought to the United States on a tennis scholarship to the world-famous John Newcomb Tennis Ranch in New Braunfels, Texas. He has coached several highly ranked junior players. Clement has coached tennis for over ten years and is USPTA and GPTA Certified. In his spare time, Clement enjoys playing soccer and working out in the gym.

Tennis Professional

Emma Niemi

Emma hails from Cumming, GA and grew up playing out of James Creek (before it merged with UTA). She attended Georgia College where she earned a B.S. in Exercise Science and M.S. in Health and Human Performance. Emma played both singles and doubles for four years at Georgia College, her freshman year as a walk-on and the remainder three years on scholarship. She earned the following: Athletic Scholar 2014-2018, named 2nd Team All-Conference at Line 1 doubles (2017), ITA Scholar-Athlete 2017/2018 and earned 100+ career wins.

Emma coached multiple Georgia College tennis camps during the summer, primarily working with children ages 6-15 years old. Previously coached at UTA (James Creek) summer camp in 2017. Emma worked as a graduate assistant in Exercise Science throughout graduate school at GA College.

Emma is USPTA certified. She is also published in The GA College Corinthian for an exercise science-related experiment conducted during her undergraduate career.

In her spare time, Emma enjoys running, going to the beach, being with friends and family.

She will be at James Creek primarily coaching younger students although she enjoys working with all ages.

Tennis Professional

Ellen Young

Ellen grew up playing in Marietta, GA. She played for Walton High School and then went on to play at Jacksonville State University where she earned Freshman All Conference. She then transferred to Georgia State University and played the remainder of her eligibility there earning a degree in Business Management. Ellen is married and has three children who play competitively. She enjoys running, traveling and spending time with her family.

Tennis Professional

Gabrielle Kovacs

Gabriella is originally from Szazhalombatta, Hungary and attended Armstrong State University in Savannah, Ga. Gabriella played on the Pirates Tennis Team from 2006 – 2010. During those four years, the team won three National Championships and Gabriella was named All American five times. She received a degree in English – communications and in Public Health.

Gabrielle started to teach tennis while she was in high school years when she coached children ages 3-12 years old. She enjoys coaching younger children as well as competitive juniors. She also works with adults of all ability levels. Gabriella still enjoys competing and continues to play in professional ITF and Challenger tournaments.

Tennis Professional

Klara Dohnalova

Klara, originally from Trinec, Czech Republic, came to the United States in 2013. Klara was ranked in the top 10 in the Czech Republic throughout her junior and adult competitive years. She played ITF Juniors and ITF Pro Circuit tournaments before she started college.

Klara started as a student-athlete at South Carolina State University (SCSU). She was named Rookie of the Year in 2013; she was voted the Most Valuable Player in 2013 & 2014, and she was 2 times MEAC Champion in 2013 & 2014. After 3 semesters Klara transferred to Georgia Gwinnett College (GGC) where Klara earned NAIA Women’s Tennis All-America First Team in 2016 & 2017. Klara was 2 times NAIA Women’s Tennis National Champion in 2016 and 2017. Her highest NAIA ranking was #5 nationally in Spring 2017. Klara graduated with a Bachelor’s of Science (Exercise Science – Wellness Promotion).

Klara’s other interests include alpine skiing, interior design, and she loves dogs.

Tennis Professional

Peter Greteman

Peter is from Carroll, Iowa. He attended the University of Nebraska Omaha where he played on the men’s tennis team, graduating with a BS in Business. Most recently, Peter was an Assistant Coach at Georgia Gwinnett College.

Peter is a USPTA certified professional and enjoys working with children of all ages.

Tennis Professional

Isabella (Bella) Heidenreich

Isabella’s hometown is Napa, California.  She was a D1 tennis player at James Madison University, graduating with a degree in Communication and Organizational Leadership.  Bella works at 123 Total Fitness as a sports specific trainer; she has her NASM-CPT certification.  She loves working with students of all ages and will be training academy students on and off the courts.

When not working, Bella enjoys hiking, lifting and spending time with family and friends.

Tennis Professional

Alexis Ubiera

A native of the Dominican Republic, Alexis was the #1 player in the 10, 12, 16 and 18 age divisions.  At the age of 16, Alexis achieved an ITF JR Ranking of 14.  In 1993-1994 he was representing the Dominican Republic in the World Davis Cup.

Since then, Alexis relocated to the United States and has found a love of teaching the game to tennis players of all skill levels.