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All Team Members

Kaitlin Briones

Kaitlin Briones

2023/2024 California Young Artists Expo High School Chair (Summit Denali High School)

Kaitlin Briones is the High School Chair of the California Young Artists Expo. Currently, she is a Senior in high school. Dancing for 14 years, she believes that dance is not only a physical exercise but an art form,…

Manaal Hasan

Manaal Hasan

2023/2024/2025 California Young Artists Expo College Chair (College of the Canyons)

Manaal Hasan is the College Chair of the California Young Artists Expo. She is a sophomore at College of the Canyons studying biochemistry in pursuit of working in the pharmaceutical industry and currently works in after-school education. She unleashes…

Ava Khossravi

Ava Khossravi

2025 California Youth Leadership Summit High School Co-Chair (Canyon Crest Academy)

Ava Khossravi is a student at Canyon Crest Academy in San Diego, California. She is driven by a deep commitment to fostering positive change. As the President of an Environmental Science Club and Co-President of Biology Club, she inspires…

Sadie Wheeler

Sadie Wheeler

2025 California Youth Leadership Summit High School Co-Chair (University City High School)

My name is Sadie Wheeler, a sophomore at University City High School in San Diego. I am passionate about advocating for positive change in my community and engaging in meaningful discussions. I was the captain of my JV cheer…

Shin Koyamada

Shin Koyamada

Actor (Last Samurai) & Co-Founder & Global Chairman, Koyamada International Foundation

Actor, producer, entrepreneur, philanthropist. Originally from Japan, Koyamada became best known worldwide for his film debut co-starring in The Last Samurai and starring in Disney Channel’s Movie called Wendy Wu Homecoming Warrior, which became one of the highest rated…

Lee Guio

Lee Guio

President, NorCal Sister Cities
Chair, Board of Advisors

Lee Guio is a board member of Sister Cities International and has held the positions of Treasurer, Chair of the Audit Committee and Chair of the Membership Committee. He is a resident of Union City, California. He is also…

Manaal Hasan

Manaal Hasan

2023/2024/2025 California Young Artists Expo College Chair (College of the Canyons)

Manaal Hasan is the College Chair of the California Young Artists Expo. She is a sophomore at College of the Canyons studying biochemistry in pursuit of working in the pharmaceutical industry and currently works in after-school education. She unleashes…

Kaitlin Briones

Kaitlin Briones

2023/2024 California Young Artists Expo High School Chair (Summit Denali High School)

Kaitlin Briones is the High School Chair of the California Young Artists Expo. Currently, she is a Senior in high school. Dancing for 14 years, she believes that dance is not only a physical exercise but an art form,…

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Sister Cities International EnvoyThelma Press

Sister Cities International Envoy
Thelma Press

Honorary Chair of the Board