

Matthew Teivans | ATA Founder and Director
Founder and Director of The Adelaide Tennis Academy (ATA)
20+ years of elite playing and coaching experience
Number 1 ranked junior in SA; Division 1 NCAA College player in the US; Coaching experience at Harvard and Pure Tennis Academy in Brisbane
Tennis Australia Next Gen High Performance Coach; Club professional at Collingrove Tennis Club; Marryatville High School tennis program coach and current SA State Team coach
Coaching Jonas Hahn, competing successfully across the country and abroad at all major tournaments, including the Australian National Championships and the Orange Bowl in Miami Florida, the worlds biggest 12u event
When Matt is on court, expect to push the boundaries of what’s possible
Matthew Teivans
ATA Director and Head Coach – 0430879489
Theo Dalkos | ATA Director and General Manager
Director and General Manager of business operations at ATA
Managing successful relations with all ATA clientele and key stakeholders
ATA financial controller with 20+ years corporate experience
Accredited and practising tennis coach for over 25 years
Player manager for ATA athletes competing at the highest level, including the Australian National Championships and December Showdown annually
“Work Hard – Have Fun – High Standards”
Theo Dalkos
ATA Director and General Manager – 0432938912
Luke Sebastiani | ATA Director and Head Coach
Managing ATA player development ranging from green ball tennis to high performance national competition
Accredited Tennis Australia Junior Development Coach with over 13 years of experience in Australia and Germany
Dedication to developing athletically sound tennis players, by implementing principles recognised by internationally renowned movement specialists
UniSA, Bachelor’s Degree in Primary/Middle School Education
Current South Australian Men’s State League and Australian Money Tour player; with experience competing in Germany’s club league
When Luke is on court, expect to be inspired by his passion and energy
Luke Sebastiani
ATA Director and Head Coach – 0414244407
Sami Chowdhury | Senior Coach and Head of Junior Pathway
Specialising in High Performance Junior Development at ATA, with over a decade of coaching & playing experience.
Former NCAA Division 1 College Player with coaching experience at world renowned academies including Barcelona Tennis Academy & Emilio Sanchez Academy.
Accredited Tennis Australia Club Professional and Emilio Sanchez Academy – Barcelona Certified Coach. Bachelor of Commerce from the University of Adelaide & North Carolina State University.
Highly successful corporate career post graduation working for a FTSE 250 Multinational Firm, before returning to work in his true passion of coaching Tennis.
When Sami is on court, expect to push beyond your limits and unlock your full potential.
Sami Chowdhury ATA Senior Coach – 0424779641
Dylan Truong | Junior Coach
ATA Junior Development Coach including Green Ball and Mini’s program
ATA Social Media and Marketing lead coordinator
University of Adelaide, Bachelor of Physiotherapy student
South Australian Men’s State League current player
Sets the playing standard and intensity level at our 2 hour hitting squads
When Dylan is on court, be ready to move fast and have some fun
Dylan Truong
Junior Coach – 0426594117