Garden State Tennis Pro Staff

John Costanzo, Owner & Director of GSTC
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Twenty-eight years of teaching experience
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Developed over six hundred USTA Nationally ranked juniors
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Developed over fifty No. 1 ETA Ranked Juniors
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Developed seventeen New Jersey High School State Singles Champions
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Developed three NCAA National Champions
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Developed 2010 Girls Jr. US Open Quarter Finalist
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University of Michigan No. 1 Singles, Big Ten Champion (1996)
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NJ Star Ledger – “Top Ten Player of the Decade” (1990s)

Gill Acosta, Director of Junior Development
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Twenty-one years of teaching experience
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Head of Junior Development
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Coach of 13 National Junior Gold Ball winners
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Coach of 2023 Girls NJ High School State Singles Champion
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Junior Cuban National Team Member
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Degree in Exercise Science
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Certified Fitness Trainer
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Director of Net Generation Program

Andrew Sharnov, Director of Adult Program
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Fourteen years of teaching experience
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Directs program that developed six New Jersey state singles champions (2012-2015 Boys, 2015-2016 Girls)
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Directs program with over 25 Top 100 nationally ranked juniors
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Division II National Champion, Barry University (2010)
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New Jersey High School State Singles Champion (2005)
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Top USTA Ranked Junior, Boys 12's through Boys 18's
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Director of Adult Program

Gordiy Milchutskyy, Director of Adult Beginner Program
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Eleven years of teaching experience
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Works with top ranked juniors and all levels of adults
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Rutgers University - Four year starter & All Big-East Team member (2005)
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NJ High School State Singles, Runner Up (2002)
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Top USTA Ranked Junior (2002)

Rodrigo Echavarria, Director of Tournament Training
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Former ATP Player
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Eight Years coaching experience
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Works with Top Ranked Juniors
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Former No. 1 ranking in Colombia
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Worked with Colombian national champions
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Top Sasinin, Director of Pre-Tournament Training
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Twelve years of teaching experience
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Works with top ranked juniors
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Stevens Institute of Technology - Starting Player
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NJ GMCT Title winner (2009)
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Top USTA Ranked Junior

Tom Wolski, Director of Pre-Tournament Training
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Eleven years of teaching experience
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USTA Tournament Director
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Brookdale CC NCAA National Champion
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Top Ten Ranked Junior USTA
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Top 200 National Ranked Junior
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Juan Suarez
Juan Suarez, Director of Net Generation
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Eight years of teaching experience
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Co-director of UTR
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Works with top ranked juniors
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Exercise Science Degree Major
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Co-Director of Net Generation Program
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Top USTA ranked junior
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Jorge DelRey, Director of UTR
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Ten years of teaching experience
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Junior Cuban national team member
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Director of UTR
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Works with top ranked juniors
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NJ UCT Title Winner (2011)
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Saint Peters University -Four year starter (2013-2017)
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Top 3 Cuban national ranked, Boys 12's through Boys 16's
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Brandon Drake, High Performance Coach
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Twelve years of teaching experience
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Director of Team Tennis
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Developed current Boys 12's ETA No. 1 ranked junior
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Top Ranked USTA Junior
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Works with to ranked USTA juniors
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4.0 USTA Junior Champion

Adrian Ossorio High Performance Coach
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Six years of teaching experience
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Top player of Luz University in Venezuela
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Top Ranked Player for 5 consecutive years
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Works with to ranked USTA juniors
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Representative of Junior Team of Venezuela
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Eugene Shmuylovich, High Performance Coach
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Over 37 years of teaching experience
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PTR Certified Professional Tennis Coach
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Developed National Level Juniors
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Works with to ranked USTA juniors
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Developed player ranked 120 among the top 500 in America

Jack Kosiorowski, High Performance Coach
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Over Five years of teaching experience
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Director of Team Tennis
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Ranked top 10 in doubles DII 2021
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Works with Top Ranked USTA Junior
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Winner of NJGMCT 2017
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4 Year starter at the University of Sciences and St. Joseph's University 2018-2022

Ronaldo Jacome, High Performance Coach
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Over Five years of teaching experience with top ranked Jr.'s and all levels of adults
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Competed in ITF Juniors and Worked with ITF ranked juniors
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USTA Coaching Certification
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NJCAA National Champion
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No. 1 Ranked Jr. In Ecuador ages 14-16
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Ranked No. 2 in Middle States Ages 16-18
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Played Top Collegiate Tennis