Our Team



Nadav Sprague holds a bachelor’s degree in Environmental Earth Science, Anthropology, and Writing from Washington University in St. Louis. Nadav is pursuing his Master of Public Health at Washington University in St. Louis with a focus in epidemiology. He is passionate about environmental education and childhood development. Nadav is so proud of all that GGO has accomplished during his time serving as the organizations founding President and CEO. In his free time, he enjoys hiking, boxing, and walking his dog, Tova.




Ben Aiken received his BA in Architecture as well as minors in Environmental Engineering, and Education from Washington University in St. Louis. Growing up he volunteered with special needs children and was a leader of his Boy Scout Troop, eventually reaching the rank of Eagle Scout. While living in St. Louis he worked on numerous after school programs and developed a passion for elementary teaching. Before he graduated he helped Nadav start GGO and also lead a pre-orientation program that took first-year students backpacking in the Ozarks.  He currently teaches fourth grade in Fort Worth, Texas and is a Teach For America Corps member. When he isn’t teaching, Ben loves architectural design and can often be found biking and camping.

AmeriCorps VISTAs



Zoe recently graduated from the University of Michigan with a bachelor’s in Environmental Sciences, focusing on Environmental Ethics and Food Systems. She is also an experienced outdoor educator, spending her summers leading canoe trips in Algonquin Provincial Park, Ontario, Canada. Zoe is extremely passionate about nature, and loves working for GGO!


Sarah graduated from Washington University in St. Louis with a degree in Anthropology: Global Health and Environment. During her time in college, she led a backpacking pre-orientation, was a member of the rock-climbing team, and volunteered in a mentorship program that worked with children in the Clinton Peabody Public Housing Neighborhood in St. Louis. Sarah has five (5) years of experience working in outdoor trips for children in Missouri and she can’t wait to get dirt under her fingernails to expand capacity for GGO from the office! If she isn’t hiking, camping, or climbing, you can find Sarah painting or doing yoga.


Daryl rosen-huitt: Fundraising and Event Specialist

Daryl has an extensive background in broadcast media, public relations, marketing for non-profit organizations, and organizing special events. Daryl's extensive volunteer hours have been dedicated to many charities, including College Bound, Whittaker Foundation, Craft Alliance, Juvenile Diabetes Research Foundation, Big Brothers/Big Sisters, St. Louis Humane Society, the Pujols Foundation, and the Bob Costas Benefit for Cardinal Glennon Children’s Hospital. She, her husband, Robert, and her son, Shayfer reside in Dog Town enjoy spending time at beach.


Xavier bravo: donor relations and st. louis program coordinator

Originally from Prospect Heights, Illinois, Xavier graduated in 2019 from Washington University in St. Louis with a Bachelors degree in Psychology and Mathematics. For two years, Xavier lead backpacking, rafting, and sea kayaking expeditions in Colorado and Alaska with Overland Summers Inc. During his time at WashU he led a backpacking pre-orientation and was the co-president of WashU’s Gateway to the Great Outdoors chapter. In his free time, he loves hiking, rock climbing, and beat-boxing!

Curriculum Development Team:



Casey McBride has been at fifth grade teacher at Patrick Henry Downtown Academy for 2 years.

She love science and the great outdoors! When she was a child, her grandfather helped her develop a strong relationship with Mother Earth and taught her how important nature is.

She has done countless bird watches and river clean-ups. She believe that everyone should spend time outside and get to know our world so that we can better take care of it.

That is why she thinks GGO is an important program! She believes that GGO gives her students amazing opportunities to explore the outdoors and experience new things.

Thanks to GGO, her students have been overnight camping, canoeing, and hiking. In addition to gaining new experiences, they also learn how to work together and treat each other kindly.

She is excited to work as part of GGO’s curriculum development team to help develop fun and educational activities that intertwine with the school curriculum and amazing hands-on experiences GGO is able to provide!



Kayomi Williams is a first grade teacher at Lafayette Preparatory Academy!

Kayomi is passionate about all things science! That is why she loves being a part of the GGO curriculum team! She believes that the GGO program is important as it allows for underserved students to learn about science while doing things that they have never done before. She loves how engaging and interactive the program is.

Kayomi loves the great outdoors because it allows her to reflect and gain inner peace.

She is so happy to be able to build lessons that students will enjoy and will make them want to learn more about important topics!



Erin Wicks is a chemistry teacher at KIPP high school!

She loves science as there is always something new to learn or discover! Erin loves the great outdoors as she is able to see science in real life. She also feels more connected to herself and the environment when engaging in outdoor activities.

Erin loves GGO because the program offers experiences to urban youth that otherwise would not be available. She has worked with GGO since 2016. She loves how GGO opens minds and sparks interest in environmental awareness.

Erin is excited about working on the curriculum development team as she will be able to help create a dynamic and engaging learning opportunities for students.