THE BOARD

Thorne is governed by a Board of Trustees which makes policy level decisions that guide operations to ensure the fulfillment of Thorne’s mission. All of Thorne’s Trustees volunteer their time and contribute their talents in ways that best help Thorne connect youth to nature.

THE TEAM

Thorne’s programs are managed and implemented by an experienced staff of nonprofit professionals and environmental educators. Thorne maintains a small year round staff and hires more than 30 seasonal instructors for its camp each summer. Thorne is governed by a Board of Trustees which makes policy level decisions that guide operations to ensure the fulfillment of Thorne’s mission. All of Thorne’s Trustees volunteer their time and contribute their talents in ways that best help Thorne connect youth to nature. CLICK HERE if you are interested in joining the Thorne team, and CLICK HERE to download Thorne’s organizational chart.

Dr. Oakleigh Thorne II / Founder, Honorary President, & Bird Banding Instructor
303.499.3647 x 104
oak@thornenature.org
Stephanie Brudwick / Administrative Director
303.499.3647 x 100
stephanie@thornenature.org

Stephanie joined the Thorne team in 2004 and returned from a 2-year hiatus in 2014. She has a B.A. in Environmental Studies from the University of Colorado at Boulder. Stephanie coordinates Thorne’s volunteers, outreach, fundraising, and events. She was instrumental in implementing the wildly successful annual Natural Night Out Fundraiser. After serving as Thorne’s Administrative Director for 8 years, Stephanie has an intimate knowledge of organizational management. She is conversant in Spanish.

Keith Desrosiers / Executive Director
303.499.3647 x 105
keith@thornenature.org

Keith joined the Thorne team in 2010 and has a B.A. in Government from Skidmore College and a M.A. in Public Administration from the Rockefeller College. Keith has served as an Executive Director, Development Director or Nonprofit Consultant for Colorado environmental nonprofits since 1997. Keith has extensive knowledge and experience in the areas of strategic planning, fundraising, operational efficiency, and board development.

Alyson Duffey / Director of Development & Marketing
303.499.3647 x 108
alyson@thornenature.org

Aly joined the Thorne team in January 2003 when she was studying for her M.A. in Environmental Leadership at Naropa University and was soon thereafter hired as the Director of Thorne’s Summer Camp. Aly created many camps that are still offered by Thorne today. Aly grew up exploring the deciduous forests, fields and beaches of Lake Erie in Western New York and obtained her B.A. in Environmental Studies from SUNY at Buffalo. After serving as an Executive Director, Associate Director or Development Director for various Colorado environmental nonprofits, Aly returned to Thorne in 2016 with more knowledge and experience in the areas of special events, fundraising, outreach, and nonprofit management.

Becca Heisler / Field Coordinator & Admin Support
303.499.3647 x 100
summercamp@thornenature.org

Becca Heisler joined the Thorne team in 2014 at Summer Camp Staff. She has a B.A. in Psychology and International Affairs from the University of Colorado at Boulder. Becca works as a paraeducator at Horizons K-8. She plans to go to graduate school for Counseling Psychology. She is passionate about working with kids with emotional and behavioral needs, sensory integration challenges, and Autism Spectrum Disorder. Becca believes strongly in Social and Emotional Learning. She loves Coyote Mentoring and she believes the best education is experiential and fun! 

Carlos Lerma / Community Liaison for Nature Kids Jovenes de la Naturaleza Lafayette
303.499.3647 x 111
carlos@thornenature.org

Carlos joined the Thorne team in 2015 and has a Bachelor of Science in Biology from Northern Arizona University. Carlos has experience working in the field of conservation biology and community outreach. He has worked in fisheries and avian research as well as engaging Latino communities in conservation and outdoor education. Carlos is responsible for recruiting underserved youth and family’s to participate in the Nature Kids/Jovenes de la Naturaleza Lafayette program.

Mikaela Madalinski / Lead Educator
303.499.3647 x 109
mikaela@thornenature.org

Mikaela joined the Thorne team as an AmeriCorps member in 2012. Mikaela completed her Elementary teaching license and has her B.A. in Environmental Studies from the University of Colorado at Boulder. Mikaela enjoys volunteering, helping to design curriculum, and teaching science education all over the Boulder-Denver area.

Andy Maeding / School Program Manager
303-499-3647 x 107
andy@thornenature.org

Anthony “Andy” Maeding joined the Thorne team in 2016. He graduated with a B.S. in Recreation Resources Management from Colorado State University and more recently earned a Montessori Lower Elementary Teaching Credential from Montessori Education Center of the Rockies. Over the past seven years he has dedicated his efforts into Montessori/Environmental program development providing hands on natural science lessons, permaculture design, animal husbandry projects, and wilderness exploration to students in a both private and public school settings. He enjoys blending outdoor learning with the work in their classrooms. Andy has extensive experience cultivating nature connection with children of all ages, having led students on extended wilderness expeditions, sea kayaking, snorkeling, scuba diving, backcountry skiing, fly fishing and international travel experiences.

Angela Myers / Curriculum Coordinator and Educator
303.499.3647 x 102
angela@thornenature.org

Angela joined the Thorne team in 2013 and has a B.A. in Geology from the University of Colorado at Boulder and an M.A. in Curriculum and Instruction from the University of Colorado at Denver. She has six years experience as a bilingual classroom teacher in the Denver Public Schools, infusing experiential learning into curriculum as her school’s Science leader. Angela also served as a Peace Corps environmental volunteer in Peru where she gained advanced proficiency in Spanish.

Carrie Riesberg / Summer Camp Coordinator
303.499.3647 x 110
carrie@thornenature.org

Carrie Riesberg joined the Thorne team as the Summer Camp Coordinator in 2016 after working in the Thorne Summer Camp program for six years. She has a B.S. in Business Administration and Entrepreneurship from the University of Colorado at Boulder and has extensive training in special education and school-based mental health services. Carrie has eight years of experience as a behavioral specialist and paraeducator in elementary special education and as an after-school enrichment teacher. Carrie believes strongly in nature’s power to bring joy and connection to people of all ages.

Erin Saunders / Education Programs Director
303.499.3647 x 101
erin@thornenature.org

Erin joined the Thorne team in 2004 and has a B.S. in Zoology and Botany from the University of Washington. Erin has created curricula for many Thorne programs, written grants, and worked exhaustively with teachers, science coordinators, and district administrators as well as parents to ensure quality nature science programming for our community. Erin is a certified Project Wild facilitator and is conversant in Spanish.

Gwen Tenney / Education Programs Manager
303.499.3647 x 103
gwen@thornenature.org

Gwen joined the Thorne team in 2010 as a Summer Camp Instructor and has a M.S. in Ecology from the University of Toledo and a B.A. in Environmental Studies from Lake Forest College. Gwen has served as an educator, coordinator, and conservationist with organizations like the Butterfly Pavillion, the Len Foote Hike Inn, and Joshua Tree National Park. Gwen is a published author and certified Project Wild facilitator.

Kara Wadenstierna / Educator
303.499.3647 x 107
kara@thornenature.org

Kara joined the Thorne team in 2016 as a Summer Camp Instructor and has a B.A. in Elementary Education from Wheaton College. Kara brings to Thorne two years of primary teaching experience in Colorado’s Front Range, a year of educational non-profit work, and many summers working in and volunteering for Yellowstone and Rocky Mountain National Parks.

Thorne Board of Trustees

Susie Strife / Chair
Boulder County - Sustainability Coordinator
Samantha Messier / Vice Chair
Boulder Valley School District - Director of Science
Ian Jacobson / Treasurer
Eco-Products - Chief Financial Officer
Amanda Paulson / Secretary
Christian Science Monitor - Staff Writer
John Marcil / Chair
Faegre Baker Daniels LLP - Partner
Brain Bagley
Bagley Law Firm - Attorney
Lonna Borden
Justin’s Nut Butter – Chief Financial Officer
Pete Burhop
Anthem Branding - Principal
Graham Casden
Oceans First Divers – Owner
Jennifer Donovan
Thorne Parent and Community Volunteer
Marina Lagrave
CLACE – Chief Executive Officer
Michael O’Toole
St. Vrain Valley Schools – Science Coordinator
Duane Primozich
Boulder Brands – Executive Vice President
Jan Robertson
Community Volunteer
Rafael Salgado
Cal-Wood Education Center – Executive Director