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 of Green program…

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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…

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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 for helping…

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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…

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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…

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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…

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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…

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