Administration

Kim
Siehl
Executive Director
As Executive Director, Kim is leading Grades of Green with passion, experience, creativity and joy…
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Sam
Blake
Operations & Programs Manager
Sam was born and raised in the South Bay and as a third-grade student, he was actually in the original Grades…
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Claire
Combredet
Communications & Programs Associate
Claire was born in New York and grew up moving between California and France, developing her bicultural…
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Programs

Anjuli
Koentopp
LAUNCH Program Manager
Growing up in the Sunny South Bay, Anjuli has a passion for keeping the earth a clean and happy place…
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Robyn
Murphy
RISE Program Manager
Robyn was born and raised in the South Bay area of Southern California. Growing up near the ocean…
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Lauren
Muller
SOAR Program Manager
Lauren Anne Muller has always had a passion for children and the environment. She understands that children…

Noelle
Bergère
Uplift Program Manager
Noelle was inspired to become an environmentalist after growing up in dynamic climate regions throughout..
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Glenn
Arnade
Special Projects Manager
Glenn was born in Singapore and moved to the San Gabriel Valley at the age of five. He discovered his passion…
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Zarinah
Salahuddin
Program Associate
Zarinah was born in South Florida, but she has spent 10 years of her life in Southern California. Her love for beaches…
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Volunteers and Interns

Yajaira
Figueroa
College Corps Fellow
Yajaira Figueroa is a Junior at Cal State LA, pursuing a career in Child Development, with a dream of soon becoming an…

Kim
Nguyen
College Corps Fellow
Kim was born in San Diego and has resided in Anaheim, Orange County since the age of six. She is currently attending…

Samantha
Torres
Program Management Volunteer
Sam is a youth environmentalist, vegan, and senior at Mira Costa High School. She is the founder and president of…
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Whitney
Stoker
Programs & Communications Volunteer
Whitney is a junior at Vistamar High School in El Segundo, Los Angeles, and had been working with Grades of Green since her freshman year when…

Ruthie
Heis
Program Management Volunteer
Ruthie began her environmental journey when she joined her school’s green team, The Keller Greenies, in 2019. Her eyes were opened…