

Health Experts & Vegan Leaders
Holistic Holiday at Sea proudly curates a dynamic roster of plant-based speakers who span the realms of nutrition, wellness, and animal welfare. Each sailing features new presenters alongside returning favorites. Meet and learn from some of the most influential leaders in the vegan and plant-based movements!


Health Experts & Vegan Leaders
Holistic Holiday at Sea proudly curates a dynamic roster of plant-based speakers who span the realms of nutrition, wellness, and animal welfare. Each sailing features new presenters alongside returning favorites. Meet and learn from some of the most influential leaders in the vegan and plant-based movements!
Current Experts on the Alakan 2025 Cruise*:
More experts are being added all the time! Be sure to check back here to see who has been added.
*Final line-up of presenters is subject to change.
Michael Greger, MD
Founder, NutritionFacts.org
Columbus Batiste, MD
Interventional & Lifestyle Cardiologist
Chris Wark
Author & Cancer Survivor
Julieanna Hever
The Plant-Based Dietitian
James F. Loomis Jr., MD, MBA
Board Certificated, Life-Style Medicine
Keiichiro Kita
Founder, Harmonic Science, Author
Robert Cheeke
Vegan Bodybuilder & Author
Michael Greger, MD
Founder, NutritionFacts.org
Columbus Batiste, MD
Interventional & Lifestyle Cardiologist
Chris Wark
Author & Cancer Survivor
Julieanna Hever
The Plant-Based Dietitian
James F. Loomis Jr., MD, MBA
Board Certificated, Life-Style Medicine
Keiichiro Kita
Founder, Harmonic Science, Author
Robert Cheeke
Vegan Bodybuilder & Author
Michael Greger, MD
Founder, NutritionFacts.org
Columbus Batiste, MD
Interventional & Lifestyle Cardiologist
Chris Wark
Author & Cancer Survivor
Julieanna Hever
The Plant-Based Dietitian
James F. Loomis Jr., MD, MBA
Board Certificated, Life-Style Medicine
Keiichiro Kita
Founder, Harmonic Science, Author
Robert Cheeke
Vegan Bodybuilder & Author
Your Host:
Sandy Pukel
President, Holistic Holiday at Sea