Meet the 2025 Fellows!
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Pressanna Parackal, DNP, RN, CCRN, CNRN, RN-BC, CRRN, Fellow of ANHE 2023-2024 Cohort
Dr. Pressanna Parackal works at VA and UH as Hospital Supervisor, and an activist in the community working towards to preserve culture, educate women and children and encourage healthy lifestyle through climate change activities such as vegetable gardening. She is the founding president of San Antonio Indian Nurses Association, and many nurses benefited through professional developmental activities and collaborated locally, Nationally and Internationally. As part of Texas Nurses Association, District 8, she collaborates health sector leaders and community through her charity work. Her project in San Antonio Malayalee community spread from 1500 families to 40000 through her community vegetable garden project. Dr. Parackal is the program manager for Asian American Native Hawaiian Pacific Islander leader and conduct many events to increase the potential of each individual and specific groups.
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Sabu John, BA, GRI, Notary Public, NNA member
Sabu John is a licensed real estate agent here in San Antonio TX. Currently elected as executive Honorary committee 2025 to India Association San Antonio. Also worked as treasurer for St George Church and Vice President for SUMA, a nonprofit organizations. Looking forward to promote healthy living for Indian communities and the some of the church communities here in San Antonio.
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Soosi Abraham, BSN, RN
She is a registered nurse from San Antonio, Texas, with more than 30 years of experience. Active member of San Antonio United Malayalee Association and San Antonio Indian Nurses Association.
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Sindhu John, RN, BSN , CVRN, CCRN
Being a cardiac nurse for the last 30 years, Sharing my knowledge through education and collaboration with organizations to promote healthy living and prevent lifestyle diseases. As part of healthy living, we are incorporated with other organizations to develop a project for improving the lifestyle of the community.
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Marie A. Cabiya, MD
Dr. Marie Cabiya was born in Puerto Rico and has been living in Chicago since completing her residency in Obstetrics and Gynecology at the University of Illinois in 2008. Since then, she has been an attending physician and Medical Director for the resident clinic at Advocate Illinois Masonic Medical Center in Chicago. She is a member of IL Clinicians for Climate Action, a Physician Champion for the EPA funded Region V's Pediatric Environmental Health Specialty Unit and formed part the Climate Advocacy Lab's Health Peer Learning Circle. She speaks locally and nationally to promote the health benefits of climate action in mitigating disparities and the active role of health providers in this crisis.
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Grace Kistner, RN, DTN, MMHA, BSBA, BSN, CCRN, CSSLHPM
Grace Kistner is a board certified Critical Care Registered Nurse with experience in health care and promotion since 2007. Her passion for global health, sustainability, advocacy, justice, and empowerment drive her approach to Health-In-All-Policy. She is cross-sector credentialed and multi-degree awarded with education across four continents, and her leadership both spans local levels and reaches international agencies. Among her many endeavors, she addresses climate change in serving the Steering Committee for Illinois Clinicians for Climate Action, the Leadership Council for the California Nurses for Environmental Health and Justice, is an active member of Alliance of Nurses for Healthy Environments, and a 2024-2025 Reach the Decision Makers Fellow at the UCSF Environmental Research and Translation for Health Center.
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Heidi Woods, MS, APN, PMHNP-BC
With over 30 years of experience in healthcare, Heidi Woods has dedicated her career to enhancing mental health and well-being across various settings, including critical care and hospice. Holding dual master’s degrees in Counseling Psychology and Nursing, she currently works as a Psychiatric Mental Health Nurse Practitioner in an outpatient setting. A passionate climate advocate, Heidi is actively involved in initiatives addressing the intersection of climate change and mental health. As a Climate Ambassador and co-facilitator of the Midwest chapter of the Climate Psychiatry Alliance, she/ works to promote awareness and action on climate-related mental health issues. Heidi is a member of several professional organizations, including the Climate Psychiatry Alliance, Illinois Clinicians for Climate Action, the Society of Nurses, Scientists, Innovators, Entrepreneurs, and Leaders, the Medical Consortium on Climate and Health, and Sigma Theta Tau. She strives to integrate mental health practices with climate advocacy, fostering resilience and support for communities affected by climate disasters.
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Tarek Hussein, PharmD(c), MBA, BScPhm, RPh, C.Mgr., LSSGB, DTM
Tarek Hussein is a visionary pharmacist who seamlessly blends clinical expertise with business acumen to drive meaningful change in healthcare. As Director of Content Portfolio at the Canadian Association of Pharmacy for the Environment (CAPhE), Tarek leads the development of innovative resources and initiatives that promote eco-friendly practices across the pharmacy profession. A Lean Six Sigma Green Belt, he is committed to advancing sustainability as a core value in healthcare. In addition to his work at CAPhE, Tarek serves as the Chief Development Officer of the International Social Prescribing Pharmacy Association, where he uses transformative initiatives to bridge the gap between clinical care and social well-being. Passionate about mentoring the next generation, he also leads research efforts with the Canadian Social Prescribing Student Collective and advocates for a future where environmental stewardship and inclusivity shape the healthcare landscape. Tarek Hussein is not just a pharmacist; he is an architect of a more sustainable, equitable, and innovative healthcare system.
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Ivy Lam, B.Sc.Phm.
Ivy Lam is a clinical pharmacist at Unity Health Toronto, the Pharmacy Innovation Lead for CASCADES (Creating a Sustainable Canadian Health System in a Climate Crisis), and an assistant professor (status-only) at the University of Toronto's Leslie Dan Faculty of Pharmacy. She has a passion for making a positive impact on climate change and ecological preservation. This is expressed through volunteering as the treasurer for the Canadian Association of Pharmacy for the Environment, the Environmental Sustainability Advisory Committee at Unity Health Toronto, and participating in environmental sustainability task forces for the Association of Faculties of Pharmacy of Canada and the Canadian Society of Healthcare-Systems Pharmacy.
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Ariane Blanc, PharmD, MSc, MBA, RPEBC, RPh
Ariane Blanc is a Canadian bilingual hospital pharmacy leader with more than 20 years of extensive academic, professional, research & mentorship experience in hospitals and pharmacy community settings in Canada and France. She is CHEO Director of Pharmacy, CHEO RI research investigator and UOttawa School of Pharmaceutical Sciences adjunct professor. Her volunteering includes: CSHP-OB President, CSHP sustainability task force and CAPhE Director of Research & QI. She is the founder & chair of the CPHPL group.
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Howard Maunus, MD
Dr. Howard Maunus was born and raised in Philadelphia and graduated from Jefferson Medical College in 1987. He completed his residency in internal medicine in 1990 and a fellowship in gastroenterology at the Medical College of Pennsylvania (now Drexel University College of Medicine) in 1993. In 2022, after a 29-year career in clinical gastroenterology, Dr. Maunus retired from his practice in Stuart, Florida. He then transitioned to a second career in healthcare sustainability and climate and health education. This new chapter began with his joining the Global Consortium on Climate and Health Education and Carolina Advocates for Climate and Health Equity. Through his work on the education subgroup at the Global Consortium on Climate and Health Education (GCHE) at Columbia, Dr. Maunus successfully initiated a curriculum on climate and healthcare at his alma mater, Jefferson Medical College. He is excited to be part of the Climate Health Organizing Fellowship.
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Gerri A Cannon MD MPH FAAP
Dr. Gerri Cannon-Smith, a board-certified pediatrician (semi-retired) and public health consultant founded and leads Mississippi Health Professionals for Climate and Health Equity. This group promotes environmental sustainability strategies that offer health benefits. With over 30 years of experience in medicine and public health, Cannon-Smith has served as clinician, medical director, and medical consultant for specialty clinics, community health centers and the Mississippi State Department of Health as well as public health faculty. Her work in rural, suburban, and urban settings has focused on the impact of social determinants of health, health care access, and inequities at the intersection of pediatric health, health literacy, climate and environmental justice.
She earned her undergraduate degree from Howard University and medical degree from the University of Mississippi Medical Center. Pediatric training was completed at Howard University Hospital and Loma Linda University Children’s Medical Center. Additionally, she holds a Master of Public Health degree from the University of California, Berkeley. Having served on local and national advisory boards and active in professional and community organizations, she is a Medical Society Consortium CHEF alumnus. Awards include the Alton B Cobb Lifetime Achievement Award and American Academy of Pediatrics Special Achievement Award.
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Claire Gervais, MD
Dr. Claire Gervais is Clinical Professor with the University of Wisconsin Department of Family Medicine and Community Health. She actively works with UW Health sustainability leadership on a number of environmental issues including climate change and health, reducing healthcare emissions, eliminating triclosan use, pesticide reduction policy, and workplace fragrance free policy. She helped found Healthy Climate Wisconsin in 2019, a group of health professionals whose mission is to advocate and educate about the impacts of climate change and health. She is also co-president of the Wisconsin Environmental Health Network, which focuses on reducing environmental toxins and climate change, and co-founded the Healthy Lawn Team, a non-profit organization which educates communities about the risks of lawn care pesticides.
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Carole Lin, MD
Dr. Carole Lin is an anesthesiologist and leader in healthcare sustainability, serving on the communications committees of the California Society of Anesthesiology and the Society of Pediatric Anesthesia. She co-founded AWISH, a volunteer-based program focused on medical waste reduction, and spearheads initiatives to promote environmentally sustainable anesthesia practices. Dr. Lin is a passionate educator, creating workshops, presentations, and media content on topics ranging from pediatric regional anesthesia to the impact of climate change on healthcare. Her innovative approaches to communication, including infographics, podcasts, and video media, aim to inspire actionable change in the medical community. Committed to advancing healthcare sustainability, Dr. Lin collaborates with industry leaders and community stakeholders to implement impactful solutions.
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Steve Sugden MD, MPH
Steve Sugden MD MPH is an Associate Professor in the Department of Psychiatry at the University of Utah. He is board certified in Psychiatry, Addiction Medicine, Disaster Medicine and Lifestyle Medicine. He has also sought additional education in Climate Medicine from the University of Colorado. He is interested in the intersection between mental health, climate medicine, and lifestyle medicine as there are many lifestyle behaviors that best for overall individual health and climate health.
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Shreya Ramachandran, Stanford University
Shreya is a senior at Stanford University majoring in Human Biology with a concentration in climate and health. Passionate about sustainability, Shreya serves as Director of Students for a Sustainable Stanford, student rep to Stanford’s Climate Action Advisory Committee, and has been the Youth Sustainability Commissioner for the City of Fremont for 7 years. She is Class President for the Class of 2025, and is involved in research projects focused on the health impacts of the energy transition in rural areas, and assessing the viability of non-traditional water supplies.
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Margie Chen, MD
Dr. Margie Chen is a retired ObGyn and Clinical Professor, emeritus, at the Department of Obstetrics, Gynecology and Reproductive Sciences at UCSF. Since retirement, she has devoted her time to advocating for climate, health and equity. She is on the State Leadership team of Climate Health Now, which is the California state affiliate to the Medical Society Consortium on Climate and Health. She also is the co-founder and co-lead of Voting4Climate&Health, which promotes civic engagement in healthcare spaces and aims to connect the dots between voting, climate and health of patients and communities. She served as chair of the 2024 Get Out the Vote subcommittee of the Medical Society Consortium on Climate and Health. She does this work so that her 5 grandchildren will have a healthy future on a life sustaining planet.
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Cynthia Haq, MD
Cindy Haq, MD is Professor and Chair Emerita of Family Medicine at the University of California, Irvine. She has provided primary health care and strengthened medical education in rural and urban areas of the US, Pakistan, Uganda, Ethiopia, with the World Health Organization, and with governmental and non-governmental organizations. A champion for health equity, she cares for people on Catalina Island, for people who are homeless, and advocates with Climate Health Now. As mother and grandmother, she savors time with family, friends, and the natural world.
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Brenda Nuyen, MD
Brenda is a comprehensive ophthalmologist in Los Angeles. She started her climate advocacy journey through Climate Reality, and soon after found her climate and health home at Climate Health Now, the California state affiliate of the Medical Society Consortium on Climate and Health. She serves on the Statewide Leadership Team of Climate Health Now to help oversee the organization’s strategy and membership offerings. Brenda also serves on the Editorial Board of EyeSustain, a global coalition of eye societies, organizations, and ophthalmologists collaborating to make ophthalmic care and surgery more sustainable.
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Mary Sukumar MD, CPHQ, ABAIM
Mary Sukumar is an anesthesiologist and advocate of healthcare sustainability in various international healthcare systems in Bahrain and Abu Dhabi. No longer in clinical practice, in her current role as an educational specialist at the Center for Education, Simulation and Innovation at Hartford, Connecticut, she continues to advocate and raise awareness on the value of environmental stewardship. Together with her colleagues at CESI, Mary hopes to help steer the health system towards being an exemplary advocate to its employees and to the community that it serves.
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Rachel Hankinson, MS, RN
Rachel is a Critical Care Nursing Professional Development Specialist at Hartford Hospital. She has always been passionate about advancing the intersetion of climate change and public health. Through her involvement in the Climate Health Organizing Fellowship, she aims to create a healthier and more sustainable future for all where the urgency of addressing climate change is met with effective, equitable strategies for improving public health.
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Regina Rich MSN-Ed, RN
Regina Rich has been a registered nurse for 30 years. Her background is critical care nursing, emergency department, outpatient dialysis, nursing education, and simulation nursing professional development practitioner. Regina works at Center for Education Simulation & Innovation (CESI) at Hartford Hospital in Connecticut. She is committed to lifelong learning and completed a post-masters certificate in nursing education in June of 2023. She is committed to sustainability in healthcare. This includes advocating and educating patients, families, and healthcare organizations on the challenges that climate change has on healthcare efficiencies and cost savings measures.
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Shelley Mann-Lev, MPH
Shelley is a co-founder of Healthy Climate New Mexico and currently is the Executive Director, working to mobilize healthcare and public health professionals to advocate for equitable and just climate solutions in New Mexico. Shelley’s public health career has been focused on working collaboratively to tackle urgent, preventable public health threats: tobacco, alcohol and opioid misuse; violence, and now climate change. For two decades, Shelley served as the Prevention Coordinator of the Santa Fe Public Schools and Director of the Santa Fe Prevention Alliance. Before launching Healthy Climate New Mexico, she was the President of New Mexico Public Health Association. She has an undergraduate degree in Social Ecology and a master’s in public health from the University of California at Los Angeles.
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Kristin Graziano, DO, MPH, FAAFP
Dr. Graziano is a family physician who spent her career in the Indian Health Service on the Navajo and Jicarilla Apache Nations where she gained an intense appreciation for the strength of her patients and the beauty of their landscapes. She served as an assistant professor of Family and Community Medicine at both the University of Arizona and Dartmouth Geisel School of Medicine. In 2021, Dr. Graziano completed a course of study in Narrative Medicine at Columbia University and currently teaches this discipline to the residents in the Saint Vincent Family Medicine residency program in Santa Fe, New Mexico. Being passionate about social and environmental justice and the natural world, and recognizing the inextricable link between climate and health, Dr. Graziano is a founding board member of Healthy Climate New Mexico. She is a lover of the outdoors, time with friends and family, a moving read, and adventuring. She lives in Taos, New Mexico, with her amazing wife, Joan, and their impossibly brilliant blue heeler, Macy.
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Paul Charlton, MD
Paul Charlton is an Emergency Medicine physician based in Gallup, New Mexico, where he practices clinically with the Indian Health Service, serves as the IHS Chief Clinical Consultant for Emergency Medicine, and is a member of the IHS National Sustainability Committee. Paul is also a co-founder of Healthy Climate New Mexico, a member organization of the Medical Society Consortium on Climate and Health that is actively focused on advocacy and policy engagement in New Mexico. He was part of the inaugural CU Diploma in Climate Medicine cohort, which helped both accelerate and refine his climate and health work within the IHS and on New Mexico policy issues. He has two young children and is a happy outdoor enthusiast whenever time permits.
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Christine Carmen Dobbin, B.A.
Christine Dobbin was born and raised in the border town of El Paso, after which she moved further into Texas and obtained a B.A. in Kinesiology alongside research in Ecology and Evolutionary Biology at Rice University. After initially entering the medical field and noting tremendous inequities rooted in systemic environmental injustice, she transitioned fully into public health. She is currently an MPH candidate at New Mexico State University and thrilled to be interning with Health Climate New Mexico!
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Carmen Guzman Simpliciano
Carmen Guzman-Simpliciano is the Director of Kingdom Pathways, a Native Hawaiian nonprofit in Waiʻanae, Oʻahu, focused on environmental sustainability, cultural preservation, and community empowerment. She champions equitable access to clean water through community-based solutions that honor Hawaiian values and the connection between people and ʻāina (land). Carmen leads projects like Huliau o Waiʻanae, a data-driven initiative addressing air and water inequities and evidence based solutions, Puʻolo Kai (using Genki Balls to restore streams), and Ho'oulu Lāhui (nurturing the nation) revitalizing dry land with native tress and plants, along with parks and beach clean-ups. At the Waiʻanae Water Testing Lab, she equips students with hands-on environmental science skills. Guided by the Hawaiian proverb "He aliʻi ka ʻāina, he kauwa ke kānaka" (The land is chief, man is it’s servant), Carmen empowers communities to build a more sustainable and resilient future for generations to come.
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Kathleen Hagan, MS, APRN-BC, CNE
Kathleen Hagan, MS, APRN-BC, CNE works as a Professor of Nursing at the University of Hawaii Maui College. A California native, she embraced Maui as her new home after moving here almost 20 years ago with her husband. Trained at Stanford University (undergraduate degree in Human Biology) and UCSF (graduate degree in Occupational and Environmental Health Nursing), her passions include health promotion, education, and environmental protection. Kathleen finds inspiration from Maui’s natural wonders while swimming, bicycling, running, hiking, or SUP surfing. Already active in community coalition work to promote tobacco control, healthy eating, and active living, she is excited to join the emerging field of climate health activism!
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Melveen Janeen Camba, MSN, RN
Melveen holds a Master’s in Advanced Population Health Nursing from the University of Hawai‘i and specializes in improving health outcomes for agricultural workers and their families. She partners with community organizations to address heat exposure, promote native seed cultivation, and encourage sustainable practices. As a nurse fellow with the Alliance of Nurses for Healthy Environments, she emphasizes mental wellness, resilience, and community capacity-building. Melveen organized the “Island Roots, Global Change” event in Waianae and co-founded a grassroots coalition to drive community-led change. Her advocacy includes partnerships with organizations coordinating “Sip and Learn” events at local clinics and hospitals to expand her impact on local communities.
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Sara Mitenbuler DNP, FNP
Sara has over 20 years of experience delivering care across the lifespan, from prenatal and early Pediatric care to internal medicine, mental health, and everything in between. She has practiced in Washington, DC, Portland, and rural Oregon. Sara works in a rural Oregon healthcare system delivering full scope family medicine to all ages. She is an Assistant Professor at OHSU's School of Nursing and mentors doctorate students. At OHSU she's a member of an interdisciplinary task force that teaches about the effects of climate change on health. She's a member of the "Wombs & Wildfires" Task Force (a collaboration between Oregon-based "Nurturely" and "Human Rights Watch"). She is also a member of the Rural Midwifery Task Force, Nurse Practitioners of Oregon, and the American Academy of Nurse Practitioners.
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Andrew White, PA-C, MHCDS
Andrew serves as a primary care provider and the clinical lead at Orchid Health, a group who seeks to revolutionize rural health care in Oregon. Andrew completed much of his undergraduate work at The Ohio State University ultimately earning his Bachelor of Science from University of Western States in Portland, OR. He then went on to receive his Master of Science in Physician Assistant Studies at Pacific University. After several years in practice he went back to school in 2023 to earn his Master of Health Care Delivery Science at Dartmouth College.
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Laura Edwards, MS, LPC
Laura in a Licensed Professional Counselor in Oregon. She has an MS in Clinical psychology with background in community mental health. She currently works in integrated behavioral health and private practice.
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Abhinav Gupta, MD
Abhinav is a staff anesthesiologist and pain physician at the University of California San Diego. After witnessing the sheer amount of waste produced in the operating rooms and the effects of climate change in marginalized communities in our country and abroad, he was motivated to decrease our health care system's carbon footprint. He worked to decrease waste produced in the operating room and pain procedure suites during his residency and fellowship and is involved in teaching students about the effects of climate change on human health. In his free time, he enjoys all things outdoors including rock climbing, triathlon, and beach volleyball.
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Dane Winter
Dane Winter is a medical student in UC San Diego’s PRIME-TIDE program. As a community college alumnus, he is passionate about helping non-traditional college students prepare for medical school. Dane has research interests that range from developing models for medical simulation and education along with exploring sustainability practices in hospital settings. In his free time he enjoys tennis, cycling, and exploring the outdoors.
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Sandy Hu, BS
Sandy is originally from GuangDong, China and was raised in the San Francisco Bay Area. She received her undergraduate education at the University of California, Santa Barbara, and is now a second year medical student at the University of California, San Diego. While working as an emergency medicine scribe and while shadowing in the operating rooms, Sandy was astounded by the staggering amount of waste that was produced in healthcare, sparking her passion to make a difference in creating more sustainable practices. Through the CHOF program, Sandy aims to enrich her medical education by gaining valuable community organizing skills to address the critical intersection of climate change and healthcare. Outside of her academic pursuits, Sandy enjoys scaling the walls at her local climbing gym, experimenting with new recipes in the kitchen, and basking in the golden sun on the beautiful beaches of San Diego.