Staff Members
Staff Members

Dayna Stock
Interim Executive Director -she/her/hers
Dayna has provided strategic leadership to nonprofit organizations in the St. Louis Region for over 20 years, with results in planning, program delivery and fund development. Prior to joining the Rome Group, Dayna was the Chief Development Officer at United Way of Greater St. Louis, where she led a team to record campaign attainment in excess of $76 million. She is a skilled facilitator with extensive experience leading volunteers, boards of directors, and customized corporate philanthropy partnerships for community benefit.
Dayna earned a master’s degree in public policy analysis and a PhD in political science from University of Missouri-St. Louis, and a BA in communications from Missouri State University. She has taught courses in strategic planning and political science at UMSL and Washington University.

Executive Assistant - she/her/hers
Denise began her lifelong environmental non-profit career at Indiana's largest environmental organization, where she served as Administration Director, Assistant Development Director, and Managing Editor of Monitor, the statewide environmental magazine. Afterward, she served as Advancement Director for the Watershed Center Grand Traverse Bay in gorgeous northern Michigan. In St.Louis, Denise served as Director of Development at the Academy of Science. Denise graduated cum laude with a B.A. in journalism and English from Indiana University. She is the author of a book of poetry and the drummer for Swampcat Holler. Denise loves tending to her native garden and hiking.

Courtney Casteel
Communications Coordinator - she/her/hers
Courtney considers herself a deeply passionate individual, which shows in the work that she does. She has obtained her Bachelors in management, marketing, and sustainability studies from Webster University. She's also working on becoming certified in health and life coaching at the international Health Coach Institute. Prior to joining the MCE family, she has worked with the environmental nonprofits the Missouri Botanical Garden and earthday365. There, she helped to coordinate one of the largest Earth Day celebrations in the country, the St. Louis Earth Day Festival. Courtney truly enjoys working with nonprofits and furthers this commitment as a member of the Communications Committee of Nonprofit Marketers Network. In her free time, she indulges in reading about spirituality and metaphysical studies, doing yoga and meditation, appreciating nature, and loving on her cat, July.

Known & Grown Manager - she/her/hers
Jenn’s passions for the environment and St. Louis led her to join MCE as the Known & Grown Manager in July of 2019. Before coming to MCE, she worked as the Program Manager for the Green Dining Alliance, a program of earthday365. Jenn serves as a member of the City of St. Louis’s 100% Clean Energy Advisory Board and is a member of the US Green Building Council’s Green Schools Quest Committee. Jenn is a graduate of Washington University, a Focus St. Louis Emerging Leaders graduate, and a New Leaders Council fellow. Jenn enjoys working in her community garden, biking, exploring Missouri’s rivers and creekbeds, and spending time with her adorable cats.

River Advocate - he/him/his
For the past thirty years, Jim has combined his passion for wildlife, wild places and environmental issues with high quality video production. Transforming complex scientific concepts into compelling stories has become his hallmark, and the numerous awards and honors his work has received speak to the popularity of his programs with the general public. For over 20 years, Jim was a lead producer for the Missouri Department of Conservation’s Missouri Outdoors program. With over 100 story segments in the can, Jim evolved into long-form production, not only for the Missouri Department of Conservation, but other state and federal resource agencies as well. Jim has produced dozens of award winning documentary films concerning a wide range of natural history and environmental issues. In 2001, Jim stepped from behind the camera to found Missouri River Relief, a hands-on, on-the-river advocacy group devoted to physically cleaning up the wide Missouri. Thousands of volunteers have picked up hundreds of tons of trash on the lower Missouri as a result of this organization. Jim's river-adjacent Boone County property has served as the organizations boatyard and equipment headquarters for nearly 20 years.

Development Director - she/her/hers
Laura is thrilled to be part of MCE's passionate team, and is excited to build on the successful outreach strategies incorporated by staff and members over the decades. Laura's professional experience has covered a gamut of development and public relations initiatives, working for corporate, government, and non-profit entities on diverse environmental initiatives. She earned her Bachelors degree from Concordia University in Business Management and Communications. In 2011, she earned her MS in Sustainability at St. Louis University where her academic focus was on water management principles. Laura is inspired and energized by giving back, having served on many boards and committees in the St. Louis region. She is also very involved with her local church, specifically the food bank and tutoring program with an inner-city grade school. Laura is an avid hiker, biker, and gardener, and a life long lover of people and nature.

Rae Miller
Local Food Director - she/her/hers
Rae comes to MCE having worked on sustainable farms, with local non-profits, and as an environmental compliance Project Manager. Originally from St. Louis, Rae is connecting sustainable local farmers to new markets in the St. Louis area, with focus on public institutions. In her free time, she enjoys outdoor activities with her dog Woolly, especially gardening.
Melissa Vatterott
Food & Farm Policy Director - she/her/hers
Melissa graduated from Michigan State University College of Law in 2014, where she focused her studies in environmental and natural resource law. With a B.S. in environmental science and a minor in agricultural economics from the University of Missouri, Melissa has particular appreciation for soil conservation and environmental and agricultural policy. Since writing MCE’s St. Louis Regional Food Study published in 2014, Melissa works to support environmentally-responsible farming practices and local food systems across the state, which includes directing the St. Louis Food Policy Coalition.
Known & Grown Specialist - he/him/his
Chris Wimmer joined the Missouri Coalition for the Environment’s Food & Farm team as the Known & Grown Farm Specialist in July of 2019. Chris was born and raised in St. Louis and always dreamed of becoming a farmer. He received his BS in Agronomy from University of Missouri Columbia. Eager to combine his passion for environmental stewardship and growing food Chris founded The Farm at Kraut Run in 1995. The farm produced organic vegetables and meat sold locally through a Community Supported Agriculture program, farmers markets, and local restaurants. The farm’s hands-on educational field trips were designed to impress on visitors the importance of enhancing nature while producing food responsibly. In 2017 MCE sponsored a trip to the farm that introduced Chris to the effective environmental work they have been doing for the last 50 years. He is excited to join the newly formed Known and Grown Team, and to share his desire to expand the availability of locally grown, organic and humanely raised food.

David Behrens
Super Volunteer
David first became involved with MCE in the late 1970s circulating an MCE petition in St. Louis and Kansas City against of the Callaway Nuclear power plant. He returned to MCE in 2014 to work on several projects: reviewing MSD’s semi-annual reports on their compliance with the Consent Decree and working on MCE’s comments on the US Park Service’s revised management plan for the Ozark National Scenic Riverways. He is now the lead volunteer working on MCE's newest resources, The People's Guide to Environmental Action. David is a veteran of the United States Army and holds a BA in International Relations from American University in Washington, D.C. and an AS in Bio-Medical Engineering from Forest Park. Since his retirement in 2014, he has been volunteering one day each week in the MCE office working on everything from research to assistance with clerical work. He also heads up many of MCE's tabling efforts at community events. He is originally from Pittsburgh, PA, and has lived in Saint Louis for over four decades with his wife. He has two children and two grandchildren. He and his wife enjoy doing Laughter Yoga.

Christen Commuso
Marketing & Communications Intern
Christen found her voice advocating with Just Moms STL to overturn EPA's decision to cap and leave Manhattan Project radioactive waste at the Bridgeton West Lake Landfill in North St. Louis County. Christen is the creator and photographer of the social media campaign, Humans of West Lake Landfill. The project was created to draw attention to the human cost of exposure to the World War II radioactive waste and the consequences of living next to the landfill while it experiences an underground fire. The project was recognized and showcased by St. Louis Community College at Wildwood during their inaugural, Making Knowledge Human Series — The Atoms Next Door. In her spare time she enjoys spending time outdoors with her family, hiking, nature photography, and bakes a pretty mean Dutch Apple Pie.Board Members

Kally Coleman
Board President - she/her/hers
After 3 years on MCE's Board in the early 2000's, Kally rejoined the board in the fall of 2015, and has served as Board President since 2019. Kally brings a unique environmental experience to MCE with her legacy as co-founder of Friends of Ozark Riverways, an affiliate organization of MCE. Friends of Ozark Riverways advocates for stronger enforcement of regulations on the Current and Jacks Fork Rivers, and works to foster awareness, appreciation, & respect for the history, culture, and natural splendor of the Ozark National Scenic Riverways. She was a founding member of the Ozark Riverways Foundation, has served on the boards of Missouri Parks Association and The Green Center, and has been involved with the Missouri Arts Council as an advisor and grant panelist for the Missouri Folk Arts Program. Kally is co-chair of MCE's Anti-Racism Committee, chairs the Executive and Personnel Committees, and serves on the Policy and Board Development Committees. Having lived most of her life along the Current River, she is an avid fisherman and enjoys paddling, hiking, and camping along Ozark streams.
Debbie Njai
Board Vice President
Debbie joins the MCE Board with a deep passion for the outdoors and protecting everything in it. Debbie’s love for the outdoors began after venturing out on her first hike in August of 2019. Shortly after, Debbie founded Black People Who Hike (BPWH), a St. Louis based organization that serves as a platform to empower, educate and expose black people to the outdoors. Debbie believes spending time outdoors is fundamental to our health and that a healthy lifestyle includes a proper balance of nutrition, exercise and adequate time in nature. She received her Bachelor's degree in Business Finance and Management from Southern Illinois University Edwardsville and has spent the last 10 years working with people in all aspects of management operations including, sales, hiring, training, recruiting and marketing. Debbie has experience blogging, creating and managing global social media campaigns and building creative content. She also enjoys hiking, running, camping, golfing, plant based cooking and spending time outdoors with her dog Brownie.
Dawn T. Christoffersen
Board Secretary
Dawn is an estate planning, business and tax attorney in St. Louis, Missouri and is licensed to practice law in Missouri, Illinois and Colorado. She founded her own firm, DTC Advisors, LLC in 2011 after practicing at several large firms in St. Louis, Missouri. Dawn received her BSBA in accounting from Washington University in St. Louis, her JD from Northwestern University and her LLM in taxation from Washington University, where she taught as adjunct faculty for some time. She also passed the CPA exam and has her Masters in Sustainability from St. Louis University. Dawn has been and is involved in a variety of charitable endeavors, including chairing the Ronald McDonald House Charities of St. Louis Major Gifts and Planned Giving Committee, as a member of the St. Louis Symphony Orchestra Planned Advisory Group and as a member of the Spirit of St. Louis Finance Committee, among others. In her spare time, Dawn enjoys hiking with her husband Jared and their two dogs, exploring the Colorado wilderness, and preparing international and vegan cuisine. She is passionate about altering the course of climate change, saving our national parks and creating healthy food systems for all.
Nygel Williams
Board Treasurer
Nygel is a passionate servant leader who has dedicated his career to public health and health equity who is thrilled to be on the board at MCE. He is currently the Manager of Patient Accounts for the Department of Neurology at Washington University School of Medicine and a previous Executive Management Fellow. In this role, Nygel works to coordinate a positive patient experience and has been a key leader in advancing equity through the implementation of telehealth and improved self-pay programs. Prior to coming to Washington University, Nygel served as the first African-American Villers Fellow for Healthcare Justice at Families USA in Washington, DC where he worked to advance healthcare policy at a national level. He also worked at Inova Mt. Vernon Hospital where he managed a public health initiative in conjunction with the AARP to advance health education for patients. Nygel earned a Master in Healthcare Administration from the University of Maryland College Park as well as a Bachelor of Science in Health Science from Saint Louis University. Nygel is an avid cook and loves fitness and the outdoors, and (when it’s warm out) you can often catch him biking or running the stairs in Forest Park, or tackling a local trail for a weekend hike.
Steve Brewer
Board of Directors
Steve joined the board in early 2017. He has earned a BS in Social Studies and an MS in Park Administration. He has over thirty years experience in park management with Missouri State Parks, St. Louis County Parks, the city of Clayton Parks and the US Forest Service in Granby, Colorado. Steve also served in the US Army and the US Peace Corps-Afghanistan. He retired from the VA where he served as a budget analyst and finally as a national records officer. An avid canoeist, kayaker and self-acclaimed river rat.

Antonia Burgess
Board of Directors
Antonia is a part of the leadership team for the outdoor advocacy group Black People Who Hike and a first time board member of the Missouri Coalition for the Environment. An urban St. Louis native, she developed a love for adventure and outdoors with guidance from the Camp Wyman Leadership program as a teenager to adulthood 2005-2010. She has continued to express her love for nature through educating friends and family on ways to lessen their carbon footprint. Conserving water resources, protecting wilderness animal habitats and educating people on the importance of respecting nature are her lifelong goals. Her mission is to diversify the outdoors and bring people of color into spaces that were thought to be out of reach. In her free time she enjoys hiking, camping, traveling, Korean pop music, gaming and anime.
Rev. Rodrick Burton
Board of Directors
Rodrick Burton has led the New Northside Baptist Church to be a regional leader in Environmental Justice and Sustainability issues in partnership with Green the Church, the Sierra Club of Eastern Mo and The Nature’s Conservancy. New Northside was the first African American congregation to install solar panels on their Church and Community Center. Reverend Burton advocated, along with the environmental community for St. Louis to pass Resolution 124 and was appointed to the City’s Clean Energy Advisory Board. Burton’s advocacy resulted in the EPA 2019 Publication, Supporting Healthy Houses of Worship, as well as the 2020’s webinar series: Interagency Interfaith Collaboration for Vulnerable Communities. These free Webinars were part of an education thrust to provide better access to EPA Efficiency programs and training for churches. Burton earned a Master’s in Educational Ministry from Covenant Theological Seminary in St. Louis Mo and is currently a Visiting Instructor in Practical Theology at Covenant. Pastor Burton is married to Carlotta Burton, with adult twins, Zoe and Zarek, and resides in St. Louis, County.
David Garin
Board of Directors
David retired from the University of Missouri-St. Louis where he was Associate Professor of Chemistry and Director of the Center for Science and Technology. He co-authored the textbook, “Chemistry: Its Role in Society” and served as the first chairperson of Missouri’s Hazardous Waste Management Commission. David was a Congressional Science Fellow in 1980-81 working in Congressman Al Gore’s office on environmental issues. In October 2019, David received the first UMSL Retiree of the Year Award.
He has served on MCE’s Board for more than 25 years in various roles.

Deidre Griffith
Board of Directors
Deidre Griffith is a dedicated community health leader, collaborator and champion for health equity. Currently, Deidre serves as Regional Director of Community Health for SSM Health-St. Louis. In this role, she provides leadership on a wide range of evidence-based, data-driven initiatives focused on addressing social determinants of health, advancing health equity and strengthening community partnerships. Prior to joining SSM, Deidre served as a program director at Missouri Foundation for Health (MFH) where she provided strategic leadership on multiple health initiatives, including Childhood Obesity Prevention, Public Health Infrastructure, The Opportunity Fund and Health Care Workforce Development. Deidre also has a strong research background, developed over ten years in academia (Saint Louis University and Washington University), implementing community-based participatory research programs to improve nutrition, physical activity and health literacy in under-resourced communities. She also managed a pioneering fellowship program designed to increase the field of master and doctoral-level trained minority public health practitioners. Deidre earned a Master of Public Health from Saint Louis University and a Bachelor of Arts from Loyola University New Orleans. She is an alumna of FOCUS St. Louis’ Leadership St. Louis program (class 40), is a 2016 fellow of the Terrance Keenan Institute for Emerging Leaders in Health Philanthropy, founded by Grantmakers in Health, serves on the Regional Health Commission’s Provider Services Advisory Board and serves on multiple community coalitions. Deidre has also co-authored several manuscripts and presented her work at national conferences including the American Public Health Association and the Biennial Childhood Obesity conference.
Dr. Andrea Hunter
Board of Directors


Jackie Kinealy
Board of Directors
Jackie comes to the MCE Board with a passion for building community, sharing resources, and engaging in local politics. She is a Climate Reality Project leader, a member of the Sunrise Movement Hub in St. Louis, and has co-organized several climate actions locally. Professionally, Jackie is a yoga and meditation teacher who aims to help people live meaningful lives connected to the bigger picture. A St. Louis native, Jackie enjoys spending time with friends and family, gardening, making bonfires, cooking, eating, and being outside.
David Lobbig
Board of Directors
As Curator of Environmental Life at the Missouri Historical Society, David is responsible for the acquisition, research, interpretation, and care of artifact collections representing environmental concerns, including transportation, agriculture, energy use, and natural resource exploitation and stewardship. His work documenting regional watershed history culminated in the Missouri History Museum's landmark Mighty Mississippi exhibit. A Board member of MCE since 2002, as well as past President, he has served on the Policy, Board Development, Fundraising and Development Committees, and the Smart Growth Action Team.

Steve Mahfood
Board of Directors
Steve has a 40-year track record as an innovator and leader in the environmental, energy, and natural resource fields. He was appointed for 8 years by three successive governors as Cabinet Secretary to lead the Missouri Department of Natural Resources. During his tenure, he added over 60,000 acres to the state park system and led the development and construction of the first LEED Platinum state office. He also represented Missouri and the US by chairing the NAFTA-US Governmental Environmental Advisory Commission (GAC), serving on the EPA's Environmental Financial Advisory Board (EFAB) for 13 years, and he received the "United States Presidential Environmental Achievement Award" in 1989. His work was also the subject of a "60 Minutes" episode because of his leadership in negotiating the first agreement in US history for a corporate buy out of the houses of Missouri citizens whose children were being exposed to lead contamination and smelter emissions. Currently, he is advising the Nature Conservancy and many influential organizations on climate change, energy, environmental, natural resource and carbon management issues. Steve holds a Bachelors Degree in Environmental Science from Rutgers University and is a graduate of the Yale University Environmental and Management Leadership.

Bryan Meyers
Board of Directors
Bryan is a 24 year Missouri resident who earned a Master of Public Health degree from St. Louis University in 2005. His studies at SLU focused on Community Health, Biostatistics and Epidemiology. He is one of the founders of Three Spring Farms in Perryville, Missouri, an MCE “Known and Grown” farm providing sustainably raised beef, pork and chicken to the St. Louis region since 2011. He serves on the faculty of the Department of Surgery in Washington University School of Medicine and has been awarded for his teaching efforts. His previous service on advisory boards includes work with Blackburn College, the Society of Thoracic Surgeons and the American Board of Thoracic Surgery. He is new to the MCE Board as of 2020. He is drawn to serve the MCE based on a longstanding passion for sustainability and environmental issues, catalyzed by his interactions with the Known and Grown program.
Angela A. Moore
Board of Directors
Angela A. Moore is the Facilities and Sustainability Coordinator for the Missouri Historical Society, where she is responsible for sustainable operations and programs. Her work is primarily led by statistical data, current innovations within the built environment and a strong desire to preserve history and culture for future generations. Angela's educational background includes a Master’s degree in Public Policy Administration and a Bachelor of Fine Arts from the University of Missouri-St. Louis in Missouri. With a graduate certificate in Nonprofit Management and Leadership along with recognition as a LEED AP O+M and TRUE Advisor. She uses her educational background to bridge organizations and increase sustainable practices in the museum field. Angela also serves on the Board of Directors for the US Green Building Council-Missouri Gateway Chapter and the American Alliance of Museums' Environment and Climate Professional Network. She is also the Executive in Residence for the Ohio Recycling Coalition in support of the National Recycling Coalition’s Diversity Equity Inclusion Council. In her free time, Angela enjoys gardening, reading, watercolor painting and drawing. And, loves traveling the world with her 8 year old daughter, Artist.
Joe Pitts
Board of Directors
Prior to Joe's 1989 employment with the Department of Natural Resources (DNR), he was employed as a classroom instructor of science and biology at Houston High School in Houston, Missouri from 1981 through the 1989 school years. While at DNR, he worked as an Environmental Specialist, Environmental Education Specialist and Unit Chief of the Environmental Education Unit. In which, he retired with 24 years of service on February 28, 2010. On March 1, 2010 Joe became the Executive Director of the James River Basin Partnership (JRBP) in Springfield. He then moved his family to Ozark in late summer 2010, serving 5½ years until retiring again on November 1, 2015. Expressing that his time at JRBP was the most rewarding. In October 2015, the MCE recognized Joe's career as an environmental educator and advocate by awarding him the Susan Flader Education and Advocacy Award. This was especially meaningful to Joe, as Susan is a friend of his. Joe enjoys canoeing and kayaking on the beautiful Ozark rivers and is an avid fisher. With his wife, they enjoy nature photography and traveling to hike and explore interesting outdoor spots. They are especially in love with Yellowstone Park and the surrounding area and make many trips there, as time and funds allow.
Arlene Sandler
Board of Directors
When Arlene moved to St. Louis years ago, she was shocked to learn about St. Louis' legacy of the Atomic Age radioactive wastes. These wastes were dumped at many locations in the St. Louis metro area, and Arlene has been working toward their removal ever since. She joined MCE’s board in 1979, initially drawn to the organization to help with the ultimately successful referendum, “construction work in progress” or (CWIP), relating to the Callaway nuclear power plant. Collaborating with Kay Drey her mentor, Arlene helped write and edit fact sheets and pamphlets for the Nuclear Information and Resource Service and Beyond Nuclear. She offered her testimony for many public hearings. Arlene also remains concerned about land use and water pollution issues.
Arlene was initially attracted to MCE because it was the only local environmental activist organization around in the 1970’s. She still sees MCE as the best place for her volunteer energy. Her career as a librarian gave her the opportunity and the resources to do research on environmental problems, and the governmental regulations that are supposed to protect us.

Gwendolyn Verhoff
Board of Directors
Gwendolyn completed her Ph.D. in History at Washington University in St. Louis. Her work has been recognized with an Eisenhower-Roberts Fellowship, awarded by the Eisenhower Institute to support research into the Cold War; a Haas Fellowship promoting “understanding of the chemical industries in relation to societal, environmental, health, and safety issues and in the public understanding of science” completed in residence at the Science History Institute (formerly the Chemical Heritage Foundation) in Philadelphia, Pennsylvania; and the Rachel Carson Prize for Best Dissertation in Environmental History awarded by the American Society for Environmental History. She brings to MCE a life-long interest in education, advocacy, and preserving the environment for future generations. Her research focuses on the nuclear history of the United States, especially the implications of nuclear weapons production for human health and the environment.

Bernard Waxman
Board of Directors
Bernard, "Buddy" Waxman is a retired professor of computer science from Southern Illinois University Edwardsville. In that position, he served for six years as the chair of the Department of Computer Science and then as the acting dean of the School of Engineering before retiring. He has long been interested in environmental issues and has volunteered with the coalition as far back as the effort to stop the Callaway nuclear power plant. Because of their interest in renewable energy and energy efficiency, he and his wife have both solar heating and solar electricity on their home.
Eric Wilkinson