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…

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…

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…

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…

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

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