Board of Directors 

Carl Cooley, MD

Carl Cooley, MD is a retired Developmental and Behavioral Pediatrician and Clinical Professor of Pediatrics at the Geisel School of Medicine at Dartmouth. After 12 years as a primary care pediatrician in Newport, Carl joined the faculty at Dartmouth and directed the Center for Clinical Genetics and Child Development and the Hood Center for Children and Families for 10 years before becoming the Chief Medical Officer for the Crotched Mountain Foundation. He co-founded the Center for Medical Home Improvement and GotTransition supporting quality improvement science to transform primary care practices. He is a graduate of Yale University and the University of Pennsylvania School of Medicine and completed his pediatric training at the University of Michigan. Carl serves on the City of Concord’s Energy and Environment Advisory Committee. He and his wife, Seddon Savage, live in Concord where they have solarized their home, heat with air-source heat pumps, and drive an all-electric car. Carl enjoys wildlife photography, birding, beekeeping, biking, and the outdoors and maintains an occasional blog called Why Birds.

Robert Dewey, MD, Vice Chair

Bob Dewey is a retired Interventional Cardiologist who practiced for 30 years at Catholic Medical Center in Manchester, NH. While caring for complex cardiac patients, he witnessed how extreme heat and poor air quality would complicate these patients’ care. Bob has been a community volunteer and is past president and a long-standing board member of the NH affiliate of the American Heart Association. As an outdoor enthusiast, he has had a special interest in maintaining green space and protecting our local forests. Bob and his family have spent a great deal of time hiking in the white mountains, and he is eager to help preserve this legacy for his grandchildren.

Robert Feder, MD

Bob, who chairs the Behavioral Health Working Group for NHHWCA, recently retired from a 40 year career as a psychiatrist in New Hampshire. He majored in psychology at the University of Michigan, went to medical school at the University of Washington, and completed his psychiatry residency at Yale. He is active in a number of climate groups, including the Climate Psychiatry Alliance, 350NH and No Coal No Gas. He is also the American Psychiatric Association representative to the Steering Group for the Medical Society Consortium on Climate and Health. In addition to working for greener energy, Bob enjoys singing, playing guitar, hiking, skiing, and boogie-boarding.

Paul Friedrichs, MD, Chair, Board of Directors

Paul Friedrichs MD is a family doctor, poet, and lover of the earth. He lives with his family in Exeter, NH. He is drawn to climate action in order to pass along a vibrant, healthy and sustainable earth to future generations, and out of respect for all life here on earth. His proudest moments include the birth of his three children, being named New Hampshire Family Physician of the Year, and winning Yale University’s award for best essay on the history of art.

Deborah Gerson, MD, Secretary

Dr. Gerson is a pathologist practicing at Catholic Medical Center in Manchester, NH. She received a B.S. in Biology from the Massachusetts Institute of Technology and an M.D. from Tufts University School of Medicine. Dr. Gerson completed her pathology residency at Mount Sinai Medical Center in Miami, FL, and her fellowship in surgical pathology at Beth Israel Deaconess Medical Center in Boston, MA. She practiced pathology for several years in Florida where she learned first-hand the health dangers caused by hurricanes and extreme heat. She has also taught pathology to medical students at the University of Otago, in Dunedin, New Zealand for two years. Dr. Gerson has seen the health effects of global warming in her New Hampshire practice with the increase in tick-borne diseases such as babesiosis and Lyme disease. Dr. Gerson lives in Bedford, New Hampshire with her husband, two daughters, and three dogs. She has a passion for promoting action on the climate crisis to protect her family, her community, and the global population from the health impacts of climate change. Dr. Gerson serves on the board of directors and co-chairs the Education Working Group for the NH Health Care Workers for Climate Action.

Judith Joy, PhD, RN

Judith Joy is an experienced nurse leader and healthcare advocate. Committed to optimizing health through involvement in professional and volunteer activities her recent attention has been drawn to work on climate action. During the pandemic Dr. Joy acted as the statewide volunteer coordinator of a group that made daily calls to congregate care facilities. It was clear that climate had fostered both the development and spread of Covid and other diseases (Lyme). Also, in volunteering to vaccinate she became aware of the impact of air quality on the health of seniors with chronic disease. Climate and ecology concerns are not a recent interest. An avid gardener, she has composted for years. Changes in weather patterns have made gardening challenging, with erratic temperature and rain. She has noted with alarm changes in water supply that made garden watering difficult. As a lifelong outdoors person she has seen changes in the northern forests from acid rain. More recently, invasions of previously rare insect species have impacted the health of many trees including our sugar maples. Trees we depend upon for our clear air and support our economy. Many will recognize the picture as the summit of Welch (and Dicky), one of the most popular hikes in NH, she did in October, 2021. She is a past president of the New Hampshire Nurses along with other elected and appointed positions. Recently retired, she was Associate Professor of Nursing and Public Health at Colby-Sawyer College in NH. Before working as an educator she specialized in information systems, consulting with hospitals and clinics to improve health care using computers including an installation at the White House. Dr. Joy graduated with her doctorate from the University of Texas at Austin in Higher Education Leadership. She attended the University of New York at Buffalo for a master’s degree in critical care nursing and a baccalaureate in Psychology.

Kaitlynn Liset, MS, RN, CNL, FANHE

Kaitlynn Liset is a Clinical Assistant Professor at the University of New Hampshire, Department of Nursing and an active clinical nurse based in acute care community hospital settings. Having earned a Bachelor of Science in Environmental Conservation Studies prior to her career in nursing, her interests in climate and health have afforded the opportunity to transform passion and profession into advocacy through education. Currently she is PhD student in the Natural Resources and Earth Systems Science doctoral program at the University of New Hampshire (UNH), was awarded the 2023 UNH Sustainability Champion Award and the 2024 New Hampshire Nurses Association "Champion of Nursing" award and was a 2022 – 2023 Environmental Health Nurse Fellow with the Alliance of Nurses for Healthy Environments. Her interests include projects centered on educating and engaging with healthcare professionals, health and human services students, senior elected officials, and the public regarding climate change, health equity and climate solutions.

Aruna Muthumanickam, MBBS

Aruna Muthumanickam is a Critical Care Medicine Fellow at Dartmouth Health, who trained in medicine in India and in New York City. She has worked on multiple campaigns alongside the National Service Scheme of the Indian government, to improve access to healthcare among rural communities. She has also worked with Doctors For America on issues concerning prescription drug pricing. She has a keen interest in the field of Climate Change and Health and has served as a panelist at the United Nations Framework Convention on Climate Change - Conference of Parties (COP22) and has served as a Hill Day advocate for the Medical Society Consortium of Climate and Health.

Cynthia Nichols, MS, BSN, RN

Cynthia Nichols is an RN Care Manager working in the Dartmouth Health system acute care and critical access hospitals. Prior to becoming a nurse, Cynthia had an MS in Conservation Biology and has a deep passion for and understanding of how natural ecosystems support animals and the planet.  Seeing how people’s health is also directly connected to a healthy planet and impacted by things like air pollution, extreme heat or cold, changing ecosystems, and extreme weather, Cynthia recognized that she could bring both passions together and recently attained a certificate in Climate Resilience. Her hope is to use this background to help mitigate climate impacts and contribute to more resilient, equitable, and environmentally friendly communities. With those goals in mind, she is also working with the New Hampshire Nurses Association Planetary Health Commission and the Dartmouth Health Alliance for Climate and Health. 

Rob Pinsonneault, Ph.D., MELP

Rob Pinsonneault was born and raised in New Hampshire and has a life-long interest in environmental health and advocacy. Rob’s doctoral research focused on the connections between environmental exposures and the development of cancer in children, work that was funded by a training grant from the National Institute of Environmental Health Sciences. Following this experience, and a season away from the action working (but mostly learning how to snowboard) at Loon Mountain, Rob accepted a position as a Post-Doctoral Fellow in the Department of Anesthesia and Perioperative Care at the University of California, San Francisco (UCSF), where he studied blood brain barrier (BBB) physiology and helped to found a short-lived company based upon that work. After stints in science writing and publishing, Rob returned to his alma mater to teach high school biology and reinvent the school’s environmental program to include student-driven field work both at home and abroad. After thirteen years in this role, Rob recognized that the problems and solutions he was speaking about in class relative to environmental challenges that we all face needed particular attention here in New Hampshire. He went back to school and earned a Master of Environmental Law and Policy (MELP) from Vermont Law School. He now uses the knowledge and experience gained from a lifetime of continued environmental health study to address environmental justice (EJ) challenges here in the state of New Hampshire. Rob also serves as co-chair of the New Hampshire Network Environment Working Group, is a member of the New Hampshire Environmental Justice Roundtable, and is a Trustee for the Newfound Lake Region Association. He currently lives in Alexandria, New Hampshire with his wife Mollie and their ornery cat Chamonix.

Thomas M. Sherman, MD

Tom Sherman is a retired gastroenterologist first elected to the New Hampshire House of Representatives in 2012. He then served from 2018-2022 as the New Hampshire State Senate’s only physician, working hard to address many of the challenges of the Granite State with a particular focus on healthcare and public health. As Chair of the Senate Health and Human Services Committee, he introduced legislation that recognized the strong link between environmental pollution and human health. In leadership and as a member of more than 15 councils, commissions and committees, including serving as chair of the Ad Hoc Emissions Commission, he continued his efforts to fully address pollution, environmental contamination, and the impacts of climate change. He has been recognized as a Top Doctor by New Hampshire Magazine and as Legislator of the Year by three organizations, NH ARCH (Association of Residential Care Homes), NAMI-NH (National Alliance on Mental Illness) and New Futures. 

Paula Smith, MBA, EdD

Dr. Smith has been responsible for overseeing activities of the Southern New Hampshire Area Health Education Center since its inception in 1998. In this role she is responsible for program development, financial management and overseeing staff who work to increase access to quality health care in southern NH. For more than twenty years, Dr. Smith has been instrumental in developing programs that enhance workforce diversity, communication access and cultural effectiveness. Paula is committed to delivering continuing education to healthcare workers and promotes interprofessional education opportunities for health professions students and practicing professionals. Through work with the Seacoast Public Health Network, Paula and her team have promoted education on the impact of climate and health, and continue to build relationships to further this priority.

Thomas Walsh, MD

Tommy is the current Chief Resident of Pediatrics for Dartmouth Health Children's. He received a B.A. in English and environmental studies from the University of Chicago and an M.D. from the University of Louisville. He has been able to blend his background in environmental economics and policy with healthcare through participation in multiple academic endeavors. While in medical school he assisted in implementation and organization of the Louisville HEAL Study (an investigation on how neighborhood air pollution and greenness impact heart health). At Dartmouth he has partnered with professors and students at the Thayer School of Engineering and is working on projects that ultimately aim to improve the carbon footprint of healthcare delivery. Tommy has proudly been a member of NH Healthy Climate, and a member of its Children's Health Working Group, since the organization's inception. As a pediatrician he is thrilled to have the opportunity to advocate for a healthier climate and future!

Joan Widmer, MS, MSBA, RN, Treasurer, Executive Director

Ms. Widmer has a unique and varied professional background. Prior to becoming a nurse, she had a successful career in multiple corporate accounting and finance roles, including the roles of Chief Financial Officer, VP of Finance & Accounting and Corporate Controller. Ms. Widmer was responsible for the day-to-day financial and accounting management, including the preparation of financial statements, business plans, strategic plans and monitoring performance against these plans. In 2004, Ms. Widmer elected to pursue a second career in nursing. She holds a BA from University of California, San Diego and a MSBA from the University of Massachusetts, Amherst. She completed her nursing training at Rivier University and received a MS in Nursing from the University of New Hampshire. Ms. Widmer practiced clinically at Catholic Medical Center for 12 years and has served as Adjunct Clinical Faculty for UNH. She served as the Executive Director of the New Hampshire Nurses Association for four years and was responsible for the day-to-day operations of this non-profit professional organization for NH nurses. Ms. Widmer is currently serving as the Treasure for the American Nurses Association and working as the Executive Director of NH Healthcare Workers for Climate Action.