Our

Team

Young woman smiling outdoors near a mountain lake with snow-capped peaks in the background.

Emily Markstein

Emily moved to the Eastern Sierra in 2018, fully intent on spending one season as a ski bum before returning to Vermont. She quickly fell in love and one season quickly turned into 8 years. Emily grew up in Upstate New York, and after college, Emily moved to Scotland where she obtained her Masters Degree in Climate Science and Historic Preservation from the University of St. Andrews. There, she became involved in climate justice and local conservation efforts. After finishing her degree, Emily moved to Vermont and worked for ECO AmeriCorps for two years, focusing on projects related to clean water and healthy forests. in 2021, Emily co-founded No Hot Creek Mine with Amber Rassler in an effort to protect the natural spaces she fell in love with that inspired her to remain in the Sierra. Today, Emily still works on protecting Hot Creek and can be found bikepacking small corners of the world, teaching yoga, and discovering a new craft activity every week.

Co-Founder and Campaign Organizer
A smiling woman with short blonde hair wearing a blue collared shirt standing outdoors, with a blurred background of trees and a fence.

Chris Bubser

Organizer

Chris Bubser is a communications professional, public servant, and community leader based in Mammoth Lakes, where she currently serves on the Town Council. With a background in science, healthcare communications, and public policy, Chris brings decades of experience helping organizations translate complex issues into clear, compelling narratives that drive action.

She is a co-founder of the Sierra Protection Action Network (SPAN), a regional coalition focused on building power across rural Sierra communities through leadership training, advocacy, and collaboration. 

A woman with a reddish-brown braid wearing a black and red cap, sunglasses on top, and a dark green outdoor jacket, smiling at the camera outdoors with trees and a rocky cliff in the background during sunset.

Amber Rassler

Amber landed in the Eastern Sierra during the summer of 2018 and quickly fell in love. What was intended to be one season working in the Sierra became 4 years. During her time living in the Eastern Sierra she simultaneously witnessed the beauty and grandeur of the places she recreated, while recognizing the fragility and necessity to protect them as well. Prior to No Hot Creek Mine Amber was invested in environmental and social justice issues in her home state of Minnesota, where extractive industries threatened communities and fresh water resources. In 2021, she saw her call to action when blatant negligence on behalf of the National Forest Service threaded the spaces she loved throughout the Eastern Sierra. Amber now resides in Bend Oregon where she is completing her Master of Social Work. She hope to utilize her degree to advocate for policy change and environmental justice efforts in the future.

Co-Founder