U20 Boys Coaches: 

• Head Coach - Rob Derksen (rjderksen2000@gmail.com) 

• Assistant Coach - Tanong Rungroudsataporn (tomtanong.itapon@gmail.com) 

U20 Boys Tryouts:

• Tryout Dates: August 6-7, 2026

• 3:30 - 5:15 PM

• Tiger Court

U20 Boys Practice Locations:

• Monday / Tuesday / Thursday / Friday

• 3:30 - 5:15 PM

• Tiger Court

U20 Boys Tournaments:

• U20 ISB Volleyball Invitational - October 3-5, 2025 @ ISB

• U20 ACSC Volleyball Tournament - October 22-26, 2025 @ DALAT

U20 Girls Coaches: 

• Head Coach - Rachel Shrier (prshrier@gmail.com) 

• Assistant Coach - Lizzie Mumbert (emumbert@gisthailand.org) 

U20 Girls Tryouts:

• Tryout Dates: TBD

• 3:30 - 5:15 PM

• Tiger Court

U20 Girls Practice Locations:

• Monday / Tuesday / Thursday / Friday

• 3:30 - 5:15 PM

• Tiger Court

U20 Girls Tournaments:

• U20 ISB Volleyball Invitational - October 3-5, 2025 @ ISB

• U20 ACSC Volleyball Tournament - October 22-26, 2025 @ GIS