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Soil Cycle Board Members


Caitlyn Lewis


President / Founder


Caitlyn's passion for composting was born out of environmental concerns regarding wasted food and has grown into a love for all things soil! Caitlyn, a self-proclaimed soil nerd, wants to make sustainable living more accessible to those who wish to lessen their personal environmental impacts. She has used her knowledge of living ecosystems to create a thriving flower farm, Blue Mountain Flowers, with her husband Rick. When she isn't getting her hands dirty, she is hiking around Montana, biking across Idaho, or creating art with friends. 

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Sam Gilbertson



Sam is the founder and CEO of Renewably. Leveraging the knowledge gained from his dual MS/MBA degree from UM, Sam established a consulting business to address a growing need for environmentally responsible business practices across Montana.


Alongside his work at Renewably, Sam also serves as an adjunct faculty member at the University of Montana and contributes to local community efforts through volunteering (including with Soil Cycle!). Sam, accompanied by his faithful dog Bridger, also enjoys Montana's natural beauty on the trails, where he is currently training for a 100-mile ultramarathon.


Devin Filicicchia


Vice President

Devin hails from the South. He grew up north of Atlanta where he obtained his B.S. at Young Harris College (a teeny school in north Georgia) and spent a couple of summers as a raft guide on the Nantahala River in North Carolina (or North Cackalacky, as he may refer to it). Devin moved to Missoula in the fall of 2020 for grad school at UM. Since then, he has gotten his M.S. in Environmental Studies, has started a position with Forward Montana focusing on youth civic engagement, and of course, he has fallen in love with Missoula. There’s few organizations out there that connect Devin’s love of cycling and his interest in waste reduction. Soil Cycle is a perfect fit.  


Sierra Deimling


Board Member

Sierra has been peeved about landfilled, wasted food ever since she co-developed and implemented a Zero Waste Pledge Program for the City of Missoula in 2019. Bringing Missoulians together in the name of sustainable transportation and environmental education are two strategies that soothe her rage against waste, and she looks forward to channeling her energy into these positive avenues through her Soil Cycle board service. When not working as the Alumni Program Coordinator at Ecology Project International, Sierra is likely reading in the tub, baking a sourdough loaf, or squeezing her dog, Waffles.


Mari Houck



Mari is weirdly from Delaware! She attended the University of Vermont where she received a degree in Parks, Recreation and Tourism. Mari currently works for Five Valley Land Trust and spent six years working seasonally in Yellowstone National Park as a Backcountry Park Ranger. She moved to Missoula in 2019 and loves to spend her free time reading on the porch, canoeing the Clark Fork River, backpacking and singing showtunes.

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