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About Argo Health

Psychedelic medicine is revolutionizing mental healthcare. MDMA- and psilocybin-assisted therapy have been designated as breakthrough therapies by the FDA and will soon be approved for widespread use.

We envision our psychedelic programming to be part of an integral journey towards better mental health. By working with ketamine – a drug used in the treatment of mood disorders since the 1990s – those in need can access safe, effective, psychedelic-assisted treatment starting today.
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Meet our passionate team

Milan Griffes

Co-founder and CEO
Milan enjoys working with psychedelics to catalyze healing and growth.

Before Argo he founded Enthea, a research project assessing the humanitarian impact of psychedelics. Before that, he was the first Head of Risk at Sendwave (YC ’12), and a research analyst at the charity evaluator GiveWell.

Milan writes Psychedelic Update, a popular newsletter about the science and sociology of psychedelics.

Aaron Nesmith-Beck

Co-founder and COO
Aaron is excited about increasing access to the transformative potential of psychedelics.

He previously founded Atman, one of the first legal psilocybin retreats. His writing on personal development and psychedelics has been read by hundreds of thousands of people.

Aaron holds a BA from McGill University. You can learn more about him here.

Zach Zibrat, MS

Head of Experience
Zach has over 15 of years of experience with Mazatec, Taoist, and Buddhist ritual healing traditions.

In his private practice, Zach facilitates men’s group work and rites of passage, works with couples, provides spiritual counseling, and supports end-of-life care. He has completed a two-year Hakomi somatic psychotherapy training, and has led psilocybin retreats in Jamaica.

Zach holds a Master's in applied physics from UC Berkeley. You can learn more about him here.

Michael Muench, MD

Clinical Team
Michael is a board-certified family medicine physician with a passionate interest in integrative mental health and the healing potential of psychedelic medicine.

He has trained in the CIIS Psychedelic-Assisted Therapies and Research program, and has received additional training in ketamine-assisted psychotherapy.

Michael is a member of the American Academy of Family Physicians and the Academy of Integrative Health and Medicine.

J. I. (Zeus) Ramírez, MD, MSW

Clinical Team
Zeus worked for 15 years as a trauma and burn surgeon, then left surgery to earn a master’s in social work, learn psychotherapy, and enter the emerging field of psychedelic medicine.

Zeus believes connection and post-traumatic growth are essential to healing. He enjoys serving others and facilitating the expansion of consciousness.

Zeus holds a bachelor’s degree from Harvard University, and received his MD from Perelman School of Medicine at the University of Pennsylvania.

Pranab Sachi

Community Development Team
Pranab is committed to reducing suffering and improving quality of life wherever he can.

He is a growth marketing generalist, and previously led patient acquisition and marketing operations at a behavioral health startup. Personally, he's an avid meditator and loves learning about different healing modalities.

Pranab holds a B.S. in chemical engineering from UT Austin. You can learn more about him here.
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