John & Sue Adams

Founders & Owners >

Mark DiChiara

GPTC Director of Tennis >

mdichiara@servicelinetennis.com

Eric Doidge

GPTC Director of Beginner/Intermediate Junior Tennis Programming and Co-Summer Summer Camp Director >

edoidge@servicelinetennis.com

Raul Molina

Senior Tennis Professional and

Adult Team Specialist >

molinatennis@gmail.com

Nate Helmkamp

Senior Tennis Professional Professional

Little Falls Swim and Tennis Club Summer Camp Director>

nhelmkamp@servicelinetennis.com

Anthony Kountouris

GPTC Director of Junior Development and Co-Summer Camp Director >

akountouris@servicelinetennis.com

Ross Howe

Senior Tennis Professional

Red and Orange Ball Specialist

North Chevy Chase Summer Camp Director >

ross.h.howe@gmail.com

Jason Excell

Senior Tennis Professional

excelltennis@verizon.net

Glenn Gerbino

Senior Tennis Professional

Cardio Tennis

Live Balls

Adult and Junior Programs

ggerbino@servicelinetennis.com