Our Board of Directors
Alex Peterson (he/him)
Board Chair
Alex serves as President of the 350 Wisconsin Action Board of Directors. He also serves as Co-Lead of 350 Wisconsin’s State Policy team. He feels climate change and climate justice are the most important issues facing our world today.
Alex graduated from the University of Wisconsin Law School. He now works as an attorney for Michael Best & Friedrich LLP. He is particularly interested in renewable energy development and improving Wisconsin’s electric grid. Outside of work, Alex enjoys walking, exercise, spending time with friends and family, and the Green Bay Packers.
John Greenler (he/him)
Board Treasurer
John served as 350 Wisconsin’s first Executive Director 2021–2023. He has been professionally focused on climate science, outreach, education, and advocacy for many years. This work has included engaging business executives, government leaders and nonprofit representatives to collaborate on the issue of climate. He has also taught multiple undergraduate courses related to climate and clean energy, and managed teams that work at the intersection of science and action. In the past, he directed the Climate and Clean Energy Initiative at the Wisconsin Academy of Sciences, Arts and Letters. He was also Director of Outreach at the Wisconsin Energy Institute of UW–Madison, and was faculty in the Biology Department at Beloit College. Racial, environmental and climate justice are important concerns for John, and he has been involved in related work through local, regional, and national Quaker organizations. During his free time, he enjoys being outdoors with his wife and two daughters, taking photographs, and playing fingerstyle guitar.
Judy Stadler (she/her)
At-Large Board Member
Judy Stadler is a native of Appleton, Wisconsin, and a retired dietitian and health educator/communicator. Following service with her husband as Peace Corps volunteers in Ecuador, Judy worked as a nutrition specialist for the Oklahoma Cooperative Extension Service at Oklahoma State University, Stillwater. She later developed health education materials for a fraternal life insurance company based in Wisconsin. She is the mother of two daughters and grandmother of two college and two high school students. She enjoys gardening, traveling, and the arts.
Our Staff
Emily Park (she/her)
Co–Executive Director/Communications Lead
Emily is 350 Wisconsin Action’s Co–Executive Director and Communications Lead. Before moving to Madison, she lived in Cleveland, OH, and St. Louis, MO. She graduated from Washington University in St. Louis in 2008 with degrees in Earth & Planetary Science and Environmental Studies. Emily grew up in Boise, ID. In her free time, Emily enjoys reading, knitting, crafting, gardening, hiking, playing needlessly complicated board games, and talking to her cats.
Contact: emily.park@350wisconsin.org
Stephanie Robinson (she/her)
Co–Executive Director/Development Director
Stephanie is 350 Wisconsin Action’s Co–Executive Director and Development Director. As Development Director, she manages our fundraising campaigns, events, and grant-writing programs. Stephanie began her career as an environmental planner, directing air quality, transportation, and planning projects for local governments, regional agencies, transportation authorities, and utilities. Stephanie received a master’s degree in City Planning with a Resource Management concentration from the University of Pennsylvania and a BA in Government from Cornell University. She is a member of the American Institute of Certified Planners. In her spare time, Stephanie loves spending time with her family, reading, gardening, hiking, and doing crossword puzzles.
Contact: stephanie.robinson@350wisconsin.org
Nikki Darga (she/her)
Director of Operations & Volunteer Engagement
Nikki is the Volunteer Coordinator and Business Manager at 350 Wisconsin Action. Nikki comes to 350 with experience coordinating volunteers for a number of nonprofit organizations, including the Henry Vilas Zoo, Habitat for Humanity of Dane County, Seattle’s Woodland Park Zoo, and the Dane County Humane Society. While at the Henry Vilas Zoo and Habitat for Humanity, Nikki also discovered a love of working with youth and has experience creating and running new teen programs that focus on career skills, professional development, and introducing young people to careers in the field of nonprofit management and environmental stewardship. Nikki has always had a deep love for animals and wildlife and spends her free moments spending time with her wide variety of pets. She also likes to spend time with other people’s pets and is a certified professional dog trainer. Her other hobbies include reading, learning new things, and playing Dungeons and Dragons with her friends.
Contact: nikki.darga@350wisconsin.org
Mark Putman
Political Organizer
Mark is a political organizer with the 350 Wisconsin Action team, focusing on community outreach and mobilization to fight for climate justice. He played an important role in our get-out-the-vote efforts on college campuses during the 2024 election. Mark grew up in Northern Virginia before moving down to Atlanta and graduating with a bioengineering degree from Georgia Tech. During his time in college, he led voter outreach efforts and developed a passion for climate and healthcare policy. Outside of work, Mark enjoys reading, hiking, online gaming, and playing tennis and soccer.
Contact: mark.putman@350wisconsin.org
Kristen Clark (she/her)
Development Manager
Kristen joins the 350 Wisconsin team as the Development Manager, bringing her organizing and fundraising skills from her previous work at the Democratic Party of Wisconsin and Mandela Barnes for Wisconsin senate campaign. Kristen is finishing her Political Science and Environmental Studies degrees at the University of Wisconsin–Madison. Kristen traces her start as an environmentalist to her childhood enjoying the nature and landscapes of her hometown Sparta, Wisconsin, which instilled a devout sense to connect with nature and fiercely defend the planet and its people. She enjoys traveling, hiking, and hanging out with her golden retriever Bailey in her free time!
Contact: kristen.clark@350wisconsin.org
Maddie Loeffler (she/her)
Office Manager & Climate Solutions Coordinator
Maddie Loeffler joined 350 Wisconsin as a volunteer in 2019 and now serves as the Office Administrator on staff. She grew up in Madison and recently graduated from UW–Eau Claire with a degree in Environmental Geography and American Indian Studies. At UW–Eau Claire, she was involved in sustainability work, student governance, and environmental advocacy. In her free time, Maddie enjoys baking, painting, crocheting, hiking, and spending time with her family, friends, and little gremlin dog.
Contact: maddie.loeffler@350wisconsin.org
Mariah Lelewicz (she/her)
Fundraising & Communications Coodinator
Mariah is the Fundraising and Communications Coordinator for 350 Wisconsin. Mariah is a recent graduate of St. Norbert College where she leaned into the liberal arts experience and took classes in almost every subject available, from political science to film to sociology. While on campus, Mariah worked for the Sturzl Center for Community Service and Learning, where she gained experience working with volunteers, organizations, and students. While in that role, she realized that nonprofit work was something she was passionate about. Mariah is excited to be working with 350 Wisconsin, combining many of her interests and passions into this very important work.
Contact: mariah@350wisconsin.org