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Tennis Professionals

These are the friendly faces of your City of Irvine Tennis Professionals, all of whom are United States Professional Tennis Association (USPTA) or Professional Tennis Registry (PTR) certified. They offer both group and private lessons at various City parks. To register for a class, please call registration at 949-724-6610.

Only the instructors shown are authorized to teach at City of Irvine tennis facilities. All unauthorized commercial use (lesson, tournaments, etc.) on City courts is a misdemeanor, pursuant to Irvine Municipal code, section III.G-201.

Please call 949-724-6617 or tennis@cityofirvine.org if you would like to:

  • schedule a private lesson
  • speak with one of the instructors
  • report an individual posing as a City instructor/teaching illegally
  • information on how to become a City Tennis Instructor
  • get further information regarding the City of Irvine’s Tennis Program

Lessons and programs are available in other languages:
Chinese - Di
Japanese - Minako
Korean - Tae
Spanish - Alex & Juan
Tagalog - Dianne

Click on the Professional's Picture for a Biography

PTR Professional


PTR Professional



PTR Professional

PTR Professional

PTR Professional

PTR Professional

PTR Professional

PTR Professional

PTR Professional

PTR Professional



PTR Professional

Alex St. Jean

Alex was born and raised in Argentina and is still fluent in Spanish. He began playing tennis when he was nine years old. He played junior level tennis and progressed to open level until the age of 19. He has played several tournaments (majority on clay) in Buenos Aires on the open circuit from 1995-1998. He has also worked as an assistant pro for two years. In 2001, Alex moved to California where he continued coaching private and group lessons. He has acquired a PTR Adult and 10 & Under Development certification (Professional Level). In addition, Alex completed the thirty-five hour “Foundation of Tennis Teaching” directed by Coach Don Henson. He is now teaching for the City of Irvine at Cypress Community Park.

Click here for Adult classes with Alex
Click here for Junior classes with Alex
Click here for Private lessons with Alex

Chris Emery

For over 30 years, Chris Emery has run junior lessons and leagues for the City of Irvine’s tennis program, offering grass roots classes to competitive teams. Getting kids started and giving them a chance to pursue a goal of playing tournaments or high school tennis is what Chris loves to do for the kids. Chris graduated in 1981 from UCI (#2 singles), and played professional events for several years attaining an ATP ranking in singles and doubles. Coaching highlights include National and State USA Team Tennis Champions, and seeing former students receive college scholarships! Chris teaches at Heritage Community Park.

Click here for Adult classes with Chris
Click here for Junior classes with Chris
Click here for Private lessons with Chris

Di Lin

Di Lin was the former #1 tennis player in China in the early 1990’s and was a member of the Chinese Davis Cup Team. At the peak of his playing career, Di won the Asian Championship in 1991. After retiring in 1995, Di coached professionally in China before moving to Malaysia to coach the Malaysian Junior National Team in early 2000. In late 2006, Di moved to Irvine to coach in one of the largest city run tennis programs in the U.S. Di now teaches his classes at Stonegate Neighborhood Park. Di can speak Mandarin fluently.

Click here for Junior classes with Di
Click here for Private lessons with Di

Dianne Matias

Dianne Matias was named head women’s tennis coach at Cal State Fullerton, it was announced by Director of Athletics Jim Donovan on August 15, 2014. Dianne replaced the recently retired Bill Reynolds, who served 24 years at the helm of the women’s tennis program.

Dianne, who is the fifth Fullerton women’s tennis head coach since 1984, is remaining in the Big West Conference after serving as an assistant on UC Irvine’s staff during the 2013 season. In 2013, the Anteaters notched their first-ever NCAA Tournament victory with a 4-2 win over San Jose State. The squad finished the year ranked 33rd in the nation, clinched the Big West regular season championship, and also boasted the league player of the year in Kristina Smith. The Anteaters experienced a 20-match win streak, and UC Irvine’s 23-5 record marked the most wins in program history.

The head coaching opportunity will be the second for Dianne, who served as Maryland’s head coach for the 2011-12 campaign. She spent the previous two seasons as the Terrapins’ assistant coach. During her time at Maryland, Dianne brought in the 23rd ranked recruiting class according to TennisRecruiting.net.

Before her three years at Maryland, Dianne spent her first year in coaching as an assistant at UC Irvine in 2009.

A 2007 graduate of the University of Southern California, Dianne ranked as high as No. 32 nationally in singles and No. 28 in doubles at the collegiate level. She also led the Trojans to a No. 3 ranking nationally at the end of the 2005-2006 season. During her senior year she served as one of the Trojans co-captains.
Before competing at USC, Dianne played one season of high school tennis at Carson High School in California after being home-schooled for the three years prior at Futures High in Mission Viejo, Calif. Dianne played No. 1 singles and doubles in her senior year and was named to the 2002 Los Angeles Times all-area first team.

At the junior level, Dianne enjoyed a prolific career as one of the best players in California and in the nation. Dianne was ranked as the No. 1 player nationally in singles at the U16 level in 2000 and 2001. Also in 2000, Dianne earned the distinction of the USTA’s Southern California Player of the Year.
Born in Balagtas, Bulacan, Philippines, Dianne competed as a member of the 2007 Philippine team at the South East Asian Games and the 2008 Philippine FED CUP team.

Dianne previously worked as a tennis professional with the City of Irvine from 2008-09 and came back in 2014. She is currently teaching lessons at Col. Bill Barber Community Park.

Click here for Adult classes with Dianne
Click here for Private lessons with Dianne

Jimmy Gleason

Jimmy Gleason moved to the City of Irvine from Kalamazoo, Michigan, where he has been coaching beginners to tournament players for the last 3 years. He is a USPTA P1 and is also certified as a Professional in Modern Tennis Methodology (MTM). He has been teaching tennis for twenty years and has always searching for the best techniques to help anyone of any level play better tennis. Jimmy has established a foundation to excel at any level. He was a standout as a Division 1 collegiate player at Western Michigan and later played on the professional’s tour. He has taught at every level up to and including a boys high school team and was an assistant to a college team. He believes that tennis is a vehicle for something far greater, where players can develop their games as well as their character while competing in the great sport of tennis. He has personally worked extensively with coaches such as Bill Adams (Andres Gomez’ coach), Pete Fischer (Sampras’ former coach) and with world renowned tennis coach Oscar Wegner. As a new tennis coach for the City of Irvine, he is determined to help players of any age or level become the best team they can be. Jimmy is currently teaching at Deerfield Community Park.

Click here for Adult classes with Jimmy
Click here for Junior classes with Jimmy
Click here for Private lessons with Jimmy

Jon Moody

Jon has coached tennis for over 17 years in Southern California. He has won two National Championships with his teams and his teams have been to Nationals nine times, winning nine Sectional Championships (four team Sectional Runner-up trophies) and 15 League Championships. Jon has also coached/captained teams in a Men's Pro Tennis League with ex-pros like Jeff Tarango, Michael Joyce, USC Men's Tennis Coach Peter Smith. Jon is a PTR Professional and wants people to learn to play tennis in a fun, easy way (along with seeing what a player needs, new shots, mental/physical skills, strategy, etc., to bring a winning mentality and advance to the next level in tennis). If a player has a skill or goal they want to attain, mental or physical, he can devise a specific plan to accomplish the goal. Jon has also coached juniors in swimming and diving, won a Los Angeles City Softball Championship, college Squash championships, Paddle Tennis National championship and basketball championships. Through various sports, Jon has had great success devising a winning strategy.

He wants to teach tennis to juniors in a fun/safe environment and wants to help adults acquire the tennis skills to improve, think for themselves and enjoy playing tennis (a sport people cal play for the rest of their lives). Jon joined the City of Irvine tennis program in 2013 and is currently teaching lessons at Valley Oak Neighborhood Park and Cypress Community Park.

Click here for Adult classes with Jon
Click here for Junior classes with Jon
Click here for Private lessons with Jon

Jonathan Tran

Jonathan Tran started playing tennis at the age of 13. In high school, he played on his varsity tennis team during his sophomore year. Jonathan went off to playing both singles and doubles for the men’s tennis team at Saddleback College in Mission Viejo. Jonathan has been teaching tennis for the City of Irvine for the past 5 years as an assistant under Ruben Millado at Col. Bill Barber Community Park and Tae Byon at Homestead Neighborhood Park. He is very eager to learn and very enthusiastic about passing knowledge about the sport of tennis. As a PTR Professional, Jonathan believes that tennis can be a very fun and enjoyable, it being a sport one can enjoy for life is a bonus. He is currently teaching lessons out of Northwood Community Park.

Click here for Junior classes with Jonathan
Click here for Adult classes with Jonathan
Click here for Private lessons with Jonathan

Juan Naranjo

Juan Pablo Naranjo was born in Bogotá, Colombia. As a junior, Juan traveled all over the country playing in every major junior tournament. He also trained at Nick Bollettieri Tennis Academy for a full summer when he was 14 where he gained tons of experience and knowledge. By the time Juan was 18, he was ranked in the top 20 in juniors. After that, Juan moved to the U.S. to go to school. He moved to Pensacola, Florida where he went to Pensacola Junior College and also taught tennis at the Roger Scott Tennis Center for 3 years. When Juan was done with his AA degree, he moved to Tampa, FL to finish his college education at University of South Florida. Every summer while Juan was a student, he worked as an Assistant Director for a tennis program at a camp called Taconic, located in the Berkshire Mountains in Massachusetts. The Professional Tennis Registry certified Juan as a professional coach in 2000. He moved to California a several of years ago and now he has the great opportunity to work for the City of Irvine. Juan now teaches at University Community Park. He can speak Spanish fluently.

Click here for Junior classes with Juan
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Lanea Holesinsky

Prior to becoming a Tennis Professional for the City Of Irvine, Lanea spent over 18 years in the field of early Childhood Education as well as in Administration for Young Children Management. Special skills include working with children and adults with disabilities. Her favorite part of her work has been the opportunity to create exercise materials and curriculum both for fine motor and gross motor skill development. Giving children and adults a variety of exercises to enhance their physical coordination as well as their concentration to perform in any activity they choose. Lanea has been fortunate to be able to get involved in sports her whole life starting at age 3, besides tennis, mostly Soccer, Softball and Dance. Lanea is currently a PTR Certified Professional and a member of the USTA. She serves on the advisory staff of HEAD/PENN and was awarded the "Head/Penn Advisory Pro of the Year" in 2012.  She is also endorsed by Lotto Sports USA.  Lanea co-captained Turtle Rock Jr. tennis teams to win 42 league championships, 5 Orange County championships, 5 Southern California sectional championships (2007, 2012, 2013 and 2014) and 1 State Championship in 2013.  Lanea is an Irvine resident and enjoys playing competitive tennis. Her hobbies include traveling, photography and sports. She is currently teaching lessons at Turtle Rock Community Park, starting from ages 3 and up.

Click here for Junior classes with Lanea
Click here for Private lessons with Lanea

Minako Stickney

A consummate sports professional and PTR (Professional Tennis Registry) pro since 1991, Minako Stickney has a passion for tennis, a love of teaching, and a talent for creating joyful tennis experiences for players of any age, skill, or background. A quick study in terms of analyzing court strengths and weaknesses, she is adept at providing simple, easy-to-master techniques designed to quickly improve your game.

Along with being a PTR Professional Tennis Coach, Minako is a certified personal trainer, an American Red Cross-certified WSI swimming instructor, a CMAS (Confédération Mondiale des Activités Subaquatiques) 2-star scuba-diving instructor, and a Surf Life Saver. She speaks fluent Japanese. Minako is currently teaching lessons at Las Lomas Community Park.

Click here for Adult classes with Minako
Click here for Junior classes with Minako
Click here for Private lessons with Minako

Nic Izumi

Nic Izumi was born and raised in Honolulu, Hawaii. He started to play tennis when he was 14 years old. Nic trained at Punahou School and in San Antonio at McFarlin Tennis Center. He came back to Hawaii to make top 15 in the state. Nic started teaching tennis when he was 18 at Punahou. He moved to California in 2008 started coaching at Francis Parker Girls JV and Varsity. Over the past five years, Nic has been teaching in San Diego at the Barnes Tennis Center working with all levels and ages. Nic is currently teaching at Col. Barber Community Park.

Click here for Adult classes with Nic
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Click here for Private lessons with Nic

Rick Jackson

Rick Jackson began teaching tennis as an assistant to Chris Emery at Heritage Community Park almost 20 years ago. After a few years, the City of Irvine gave him a chance to teach at University Community Park. He was a member of the USPTA for 10 years and now a member of the PTR. Rick has been an in store TECH ADVISORY staff member for Wilson Sporting Goods Co. and USTA clinician. He's also been a volunteer Area Coordinator for the USTA School Tennis Program in Orange County and studied the 10 and Under coaching program with Kirk Anderson in San Diego. He's been an Instructor for the Amateur Athletic Foundation Southern California National Junior Tennis League and coached junior team tennis players for more than 10 years with 12's and 14's teams going to the Section Championships and many students making their high school tennis teams. Rick has been playing for 26 years and teaching for the City of Irvine for 18 years. Needless to say, he loves the sport and enjoys teaching the game to all ages. Rick now teaches at Knollcrest and Racquet Club Neighborhood Parks.

Click here for Adult classes with Rick
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Click here for Private lessons with Rick

Rommel Endozo

Rommel Endozo has been teaching tennis for the City of Irvine for the past 7 years. He started his tennis career training and playing tournaments in Chicago, Illinois before moving to Irvine to play at Woodbridge High School. Rommel then went on to play on the Irvine Valley College Men’s Tennis team, also the place where he would eventually go on to coach. After a couple more coaching stops, he started teaching for the City of Irvine. Rommel is currently teaching at Citrusglen Neighborhood Park.

Click here for Adult classes with Rommel
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Click here for Private lessons with Rommel

Ross Holesinsky

Ross Holesinsky started his coaching career in Pivoda's Tennis Academy in Ostrava, Czech Republic. When he arrived to the United States in 1998, he became a coach for Heritage park tennis program in Irvine.

In 2001, he began teaching at Tustin Racquet Club and then started his own private instruction which soon became his priority. In 2003, he was coaching for City of Tustin. In 2004, he signed a contract to become a tennis professional for the City of Irvine. He offers a full tennis program, providing instruction to all ages and levels. He runs Tennis clinics, camps, USTA Jr. Tennis Team and private lessons at Turtle Rock Community Park.

Ross coached his Jr. tennis teams to win 42 league championships, 5 Orange County championships, 5 Southern California sectional championships (2007, 2012, 2013 and 2014) and 1 State Championship in 2013

Ross is USPTA Certified and serves on the advisory staff of Head & Penn and is endorsed by Lotto Sports USA. Ross was awarded the "Head/Penn Advisory Pro of the Year" in 2007 and again in 2012.

He played on the Czech junior tour, in Czech Master club tennis team league and in junior and inter-school tournaments in Sweden, Italy and Poland.

"I became a tennis coach because teaching tennis is a rewarding career that will keep me active and allow me to help others play a sport that has brought me such joy in my life."

Click here for Adult classes with Ross
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Click here for Private lessons with Ross

Ruben Millado

Ruben Millado has over 20 years of teaching experience. He has taught in the Palos Verdes and Torrance communities of Southern California and the Harbor Bay Club in Northern California. He played briefly for UCLA and later played for Cal State University Dominguez Hills (NAIA Nationals Championships, 1976). He also played on the Southern California 1995 USTA 5.0 Men’s National Team in 1995, and the 1994 & 1995 Southern California USTA 10.0 Mixed Doubles National Championship Team. Ruben’s tennis teaching philosophy emphasizes having fun and learning the fundamentals in all aspects of the game because without a strong foundation, a student will not be able to reach their full potential. Tennis is a lifetime sport and every student can be successful. Ruben has taught at Col. Bill Barber Community Park over the past 9 years.

Click here for Adult classes with Ruben
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Tae Byon

Tae Byon started playing tennis tournaments in New York when he was 12 years old. His highest ranking was #17 in the North-Eastern Section of the USTA, 18 and -under Division. Tae received a full athletic scholarship to the University of Stony Brook and played top Singles and Doubles. After college, he trained in Korea for two months with professionals and armatures. Tae then headed to the Chris Evert Tennis Academy in Florida where he taught under Guillerme Raoux, who was once top 30 in the world, and Andi Brandi who led the University of Florida women's team to win three NCAA Division 1 Championships. He also trained with top professionals and national junior players. He returned to New York and continued playing tournaments and was ranked #11 in the North-Eastern Men’s Open Division. In 2003, he taught at the US OPEN National Tennis Center in Flushing Meadows. A year later, he continued his teaching at a private club. In 2011, he started Lock and Roll tennis and a website where students of all levels can learn to play tennis through videos, images and detailed explanation. He is also one of the leading tennis coaches on Youtube with over a million views on all his videos combined. Tae teaches at Homestead Neighborhood Park and speaks Korean fluently.

Click here for Junior classes with Tae
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Interested in becoming a tennis professional with the City of Irvine?  Please send your resumé to tennis@cityofirvine.org.