48th Emergency Medicine Symposium
in Yosemite National Park

Retreat Scheduled for
January 9-13TH 2023

Photo 2013 Todd Rosenthal


YMEF Conference Chairs

Adria Ottoboni, MD

Jan Shoenberger, MD

Ron Crowell, MD, Founder

you will

Plan to join a family program which includes a top flight emergency medicine symposium, outdoor activities including Ranger guided hikes, ice skating, cross-country and downhill skiing and sightseeing in Yosemite Valley, evening programs with photography and art exhibits and speakers on all manner of subjects. Lasting friendships will be made. Many attendees have been coming for decades. This is an experience like no other.



  • Mel Herbert, MD: "The Road Ahead: All Electric"
    • You can catch all of the episodes of Talking Tesla on TalkingTesla.net or subscribe and listen through the Talking Tesla iTunes podcast channel. Dr. Herbert is an internationally recognized and award winning educator in Emergency Medicine. An Australian by birth, he went to medical school at Monash University in Melbourne and did his postgraduate residency training in Emergency Medicine at UCLA in the United States. He currently serves as an attending physician and Associate Professor of Emergency Medicine at the Keck School of Medicine of USC at the LAC+USC Medical Center in Los Angeles.
  • Alan Eagle: "The Story About a Great Coach of Silicon Valley Legend, by the co author of The Trillion Dollar Coach"
    • Google executives Eric Schmidt, Jonathan Rosenberg, and Alan Eagle have written a new book called "Trillion Dollar Coach". Alan Eagle runs a couple of sales programs at Google, former speechwriter and communications lead, co-author of How Google Works, Trillion Dollar Coach.
  • Joseph Heithaus: "A Walk in Yosemite Valley with a Poet" & "Emergency: Poetry-Wonder-Medicine"
    • Professor Heithaus earned a PhD and an MFA from Indiana University and his poetry and essays have appeared in numerous journals including The New York Times, Poetry, The Atlanta Review, The North American Review, The Southern Review, and Prairie Schooner.
  • Billy Mallon, MD: "Bird Watching in Yosemite-My Top 5 List of Birds You’ll See Here"
    • Let Billy Mallon, MD refresh your soul with the delightful stories of the birds in Yosemite.
  • Heather Sullivan: "Yoga"
    • Founder, Program Director, Guide and Yoga Instructor of Balanced Rock. She studied a variety of bodywork modalities including Shiatsu massage, Thai massage, Lomi Lomi massage and Ayurveda massage. She currently works in the greater Yosemite area and does in-home treatments as well as appointments in a local studio.
  • Paul & Karen Amstutz: Ranger Guided Group Hikes to Mirror Lake, Vernal Falls & Yosemite Falls Trail
    • Before parenthood, the couple were on the road almost constantly, both for fun and work. When Paul is off duty from the Yosemite Institute, he leads trips to Tibet, Pakistan, Nepal, China and Mali for Wilderness Travel in Berkeley. Karen, a naturalist, is a former associate professor who taught field courses for UC Santa Cruz's Sierra Institute.




Interested in exhibiting during the conference?
Booth Layout

2020 Syllabus

2020 YMEF Syllabus.

Contact Us

Conference contact form.

Board Members

YMEF Board Members

Yosemite Photo Memories


Yosemite Photo Memories


Yosemite Photo Memories


Yosemite Photo Memories


Yosemite Photo Memories


Legacy Gifting

Interested in a legacy gift to YMEF?