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 Associate

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

Juliet
Curry

Program Director

Juliet is an innovative leader with twenty years experience developing, managing and teaching youth programs…

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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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Volunteers and Interns

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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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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Lucia
Zhang

Communications Volunteer

Lucia always loved animals, especially penguins, which drove her passion for the environment…

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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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Allie
McAndrews

Programs
Volunteer

Allie McAndrews was born and raised in the South Bay. Participating in GOG Trash Free Lunch Program and Green Team…

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Jack
Joslin

Programs & Operations
Volunteer

Jack Joslin is from San Diego, California. Jack loves spending time outdoors in the ocean and the mountains…

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