Our Leadership Team

  • A woman with short dark hair, wearing a white top and a beaded necklace, standing in front of voting ballots.

    Margie Chen

    Statewide Leadership Team, New Member Welcome

    Margie Chen is a retired obstetrician-gynecologist in San Francisco, CA.

  • A woman with long dark hair smiling outdoors.

    Hina Fullar

    Statewide Leadership Team, Advocacy Campaign Team, New Member Welcome Team, Culture Club

    Hina Fullar is an outpatient psychiatrist in Walnut Creek, CA.

  • A woman in a white lab coat holding a sign that says 'Climate change is the most powerful social determinant of health. Climate policies are health policies,' in a medical examination room.

    Ashley McClure

    Statewide Leadership Team

    Ashley McClure is a primary care physician in Oakland, CA. She is CHN’s co-founder and Executive Director.

  • A woman with black hair smiling and wearing a dark top, against a plain white background.

    Brenda Nuyen

    Statewide Leadership Team

    Brenda Nuyen is a comprehensive ophthalmologist in Los Angeles, CA.

  • A smiling middle-aged woman with short dark hair, wearing a pink shirt and denim jacket, outdoors at sunset with tables, umbrellas, and other people in the background.

    Lisa Chang

    Statewide Leadership Team, Advocacy Campaign Team Coach

    Lisa is a retired ophthalmologist and lives in Alamo, CA.

  • Close-up of a young woman with long wavy hair smiling outdoors with sunlight and yellow and green leaves in the background.

    Whitney Villa Greswold

    Statewide Leadership Team

    Whitney Villa Greswold has worked in health and sustainability sectors. She is Climate Health Now’s Director of Operations and Development

  • A middle-aged man wearing a beige cap, orange vest, and a gray shirt, hiking in a natural outdoor setting with blurred trees and grass in the background.

    Bill Pevec

    Healthcare Sustainability Fellowship Coach

    Bill is a retired professor and chief of Vascular Surgery at UC Davis, located in Sacramento, CA.

  • Close-up of a smiling woman with brown hair, wearing a blue dress with white flower patterns, against a gray background.

    Pam Lee

    Healthcare Sustainability Fellowship Coach

    Pam Lee is an infectious disease physician in Torrance, CA.

  • A woman smiling while wearing a large woven sun hat outdoors near water, with a hill in the background.

    Ros Harder

    New Member Welcome Team, Culture Club Team

    Ros Harder is a medical social worker in Oakland, CA.

  • Woman with short brown hair and sunglasses smiling, sitting in a garden with pink and blue flowers.

    Michelle Fontana

    Advocacy Campaign Team

    Michelle Fontana, RN is a Practice Director in primary care and lives in Berkeley, CA

  • A woman with short gray hair and glasses smiling outdoors, wearing a gray sweater with large decorative buttons over a teal turtleneck, against a background of blurred autumn-colored trees.

    Wendy Bernstein

    Advocacy Campaign Team Chair

    Wendy Bernstein is a community psychiatrist and educator working from Berkeley, California. 

  • A smiling man wearing a gray New York Yankees cap, a black quilted jacket, and a stethoscope around his neck standing outdoors in a mountainous area with trees and snow-capped peaks in the background.

    Keegan Bowers

    Advocacy Campaign Team

    Keegan is an East Bay Pediatrician and UCSF EaRTH Center Reach Fellow, located in Berkeley, CA

  • A smiling man with gray hair, wearing a suit jacket and a light blue shirt, outdoors with green foliage in the background.

    Tony DeRiggi

    Healthcare Sustainability Fellowship Coach

    Tony DeRiggi is a retired pediatrician in Sacramento. 

  • Amanda d'Almeida

    New Member Welcome Team

    Amanda is a family and community medicine physician on the ancestral and unceded territory of Tongva/Gabrielino People, also known as Los Angeles

  • Rachel Abbott

    Advocacy Campaign Team Chair

    Rachel is a Family Medicine physician in San Diego.

  • Mayukha Talinki

    CHN Clean Heat Campaign Liaison

    Mayukha Talinki is a pre-med student at UCLA in Los Angeles.

  • Chelsea Young

    Advocacy Advisory Team

    Chelsea Young is a psychiatrist in Marin County

Our Advocacy Advisory Team

  • Jason Pfeifle

    Center for Biological Diversity

  • Elise Wallis

    American Lung Association

  • Jose Torres

    Building Decarbonization Coalition

  • Cesar Aguirre

    Central California Environmental Justice Network

  • Bill Magavern

    Coalition for Clean Air

  • Martha Dina Argüello

    Physicians for Social Responsibility - Los Angeles

  • Laura Neish

    350 Bay Area Action

  • Allison Hilliard

    The Climate Center

Logo of The Medical Society Consortium on Climate & Health, featuring a caduceus with a green leaf intertwined.

Climate Health Now is the California state affiliate of the Medical Society Consortium on Climate & Health