Executive, Development & Marketing

Markian Feduschak


Markian is focused on leadership development, effective team building, staff training, and risk management. He loves spending time outdoors with his wife and two daughters.  Meet Markian >

Kim Langmaid

Founder & Vice President, Sustainability Programs

Kim is the visionary and founder of Walking Mountains Science Center, she recently returned to head up Sustainability department and programs.  Meet Kim >

Patty White

Vice President, Development

Patty joined Walking Mountains in January 2015 as Vice President of Development, responsible for overseeing the development team and setting the strategy for future growth. Meet Patty >

Gina Van Hekken

Director of Grants & Strategic Initiatives

Gina joined Walking Mountains in 2007 as Youth Programs Director. She is now a part of the Development Team, writing education grants to support both Youth and Community Programs.  Meet Gina >

Gabriella Matus

Senior Director of Business Operations

Gabriella joined the team in April of 2015. Previously, she worked for the Youth Foundation. More details to come as she gets settled in! Meet Gabriella>

Paul Abling

Marketing & Communications Director

A Colorado native, Paul grew up in Arvada Colorado and joined Walking Mountains in March 2018 after serving for many local organizations including the Vail Valley Foundation, Vail Valley Partnership and Vail Daily.   Meet Paul >

Rose Delles

Finance and Accounting Manager

Rose Delles has worked for Walking Mountains since 2010 in a variety of roles, most recently assisting the Finance and Development departments. Meet Rose>

Karina Schorr

Marketing & Communications Coordinator

A true Eagle County native, Karina joined Walking Mountains in September 2015 after graduating from Lewis & Clark College in Portland, OR the previous year. Meet Karina >  

Tessa Allen

Development Associate

Tessa joined Walking Mountains Science Center in August 2017. As the new Development Associate, she helps manage the donor database as well as provide support for special events. Meet Tessa >

Emma Sloan

Grants Associate

Emma hails most recently from the rainy city of Portland, Oregon, but is a northern Californian at heart. Her childhood at the convergence of the Sierra Nevada mountain range and Lake Tahoe shaped her love of nature. She now brings that love to Eagle County as she works to secure funding for our programs. Meet Emma >

Youth Programs

Chris Cohen

Youth Programs Director

10 years after teaching at Gore Range Natural Science School as an educator fellow, Chris rejoined the Walking Mountains staff in 2018 as Youth Programs Director. She loves to teach about the natural world and hopes to inspire students of all ages to become stewards of their own backyards. Meet Chris >

Jaymee Squires

Graduate Programs Director

Jaymee heads up graduate studies at Walking Mountains, she is a whiz with edible plants and enjoys reading, hiking, camping, canoeing and being outside. Meet Jaymee >

Rachel Zacher

Summer Programs Coordinator

Rachel joined Walking Mountains in 2015. As the Summer Program Coordinator she spends her days dreaming of the fun, adventure, wonder, smiles, and discoveries campers will have at our Summer Science Camps.  Meet Rachel >

Nicole Abrams

Girls in Science Coordinator

Nicole is a self-proclaimed tree hugger who first joined Walking Mountains as a summer educator to hug trees with kids at camp! Meet Nicole >

Amanda Hewitt

STEM Coordinator

Amanda teaches and develops curriculum for the STEM Leadership Academy she provides middle school students with inquiry based lessons in science, technology, engineering and mathematics. Meet Amanda >

Shawna Wood

Sowing Seeds Coordinator

Formerly a Naturalist at Walking Mountains Science Center in 2011, Shawna has recently rejoined the organization as the Sowing Seeds Coordinator.  Working with elementary students to connect them directly with their food, she teaches an experiential garden-based learning program as part of the school day. Meet Shawna >

Megan Carter

STEM Instructor

Megan grew up in a small town named Black Diamond, WA, nestled in the foothills near Mt. Rainier. She developed a fondness for the outdoors early-on while rafting rivers around the Northwest, eating mountain huckleberries, and spending summers swimming in Puget Sound. Meet Megan >

Paul Leininger

STEM Instructor

From the small state of Delaware, Paul has a huge love for nature and everything outdoors! Meet Paul >

McCale Carter

Girls in Science Instructor

McCale was born and raised on the lakes of Minnesota which lead to her passion of the natural world and the people who enjoy it! Meet McCale>

Community Programs

Lara Carlson

Senior Programs Director

Lara oversees the Youth and Community Programs happening on-site at Walking Mountains and with our partner organizations. She has been with Walking Mountains in various roles since our inception as Gore Range Natural Science School!  Meet Lara >

Hannah Irwin

Community Programs Director

Hannah is a self-proclaimed nature nerd hailing from Michigan, where she developed her love of water and all things outdoors.  You will often see her at the Vail Nature Center… Meet Hannah >

Kaitlyn Merriman

Community Programs Manager

As the Community Programs Manager she oversees programs happening at our Avon location. She was born and raised in Boulder, Colorado and studied Communications at the University of Colorado Boulder. Meet Kaitlyn>

Peter Suneson

Community Programs Manager

Peter manages the backcountry hiking and snowshoeing programs and coordinates partnerships with local businesses and organizations. A native Oklahoman, Peter is thrilled to be in the mountains sharing his passions along the trail.   Meet Peter >

Sustainability Programs

Kim Langmaid

Founder & Vice President, Sustainability Programs

Kim is the visionary and founder of Walking Mountains Science Center, she recently returned to head up Sustainability department and programs.  Meet Kim >

Melissa Kirr

Sustainability Programs Director

Melissa has a passion for the environment and loves sharing it through the efforts of Walking Mountains. She has lived in Colorado’s Central Rocky Mountains for over 15 years.  Meet Melissa >

John-Ryan Lockman

Energy Programs Director

John-Ryan is a certified BPI Building Analyst and has been working with the regional Energy Smart Colorado team since 2011. He loves music &  spending time outdoors.  Meet John-Ryan >

Kim Schlaepfer

Climate Action Collaborative Project Manager

Kim manages the working groups of the Climate Action Collaborative with the goal of helping Eagle County reach it’s greenhouse gas emission reduction targets by 2050. She has a passion for sustainability (and skiing) and a drive to make the world a better place. Meet Kim >

Nikki Maline

Energy Programs Coordinator

Nikki handles the administrative aspects of the Energy Smart ​Colorado program, acts as an energy coach for homeowners and businesses, and provides Realtor training on Energy Efficiency. She loves sharing sustainability ideas with others, experiencing nature and seeing new things..  Meet Nikki >

Kira Koppel

Sustainability Programs Coordinator

After originally joining Walking Mountains as a Naturalist & Sustainability Intern, Kira is now helping local businesses get certified with the Actively Green Program. Meet Kira >

Sophia Gianfranisco

Sustainability Programs Coordinator

Sophia first joined the Walking Mountains tribe as a Naturalist and Sustainability Intern. She now helps coordinate Zero Waste Events and facilitates the Eco-Schools Program throughout Eagle County. Meet Sophia >

James Dilzell

Energy Programs Associate

After spending the summer as a Naturalist and Sustainability intern, James was hooked on the organization, the valley and all things sustainability. He has returned as the Energy Programs Associate to continue helping Eagle County reduce its environmental impact. Meet James >

Programs Staff

Kelly Rundell

Youth Programs Instructor

Kelly was born and raised in Hibbing, Minnesota where she spent her childhood playing in the north woods.  She graduated from the University of Wisconsin Stevens Point in May 2016 with a degree in Environmental Education and Interpretation. Meet Kelly >

Matt Thomas


Matt joined Walking Mountains as a Graduate Fellow in the summer of 2016. Born and raised in Pennsylvania, he received his Bachelor’s from Franklin and Marshall College and loves spending time outdoors in any way possible. Meet Matt >

Mark Sharp


Before accepting a graduate fellowship position with Walking Mountains Science Center, Mark taught Biology, Physics First, Chemistry, Ecology, and Environmental Science for a small high school in central Missouri. Meet Mark >

Kelsey Head


Kelsey is a born and raised Vermonter whose early years covered in mud and swimming in the Connecticut River cultivated her passion for environmental education. Meet Kelsey >

Kelly Williams


After two years of classroom teaching, Kelly is excited to return to the great outdoors and explore Colorado while sharing her passion for science as an educator at Walking Mountains. Meet Kelly >