David Carreon, MD
Psychiatrist. Neuroscientist. CEO and Co-founder of Acacia Clinics. Writing on brain stimulation, consciousness, AI, and human flourishing.

I treat patients with advanced brain stimulation. I study the mind through
the lens of neuroscience and philosophy. I write about consciousness,
technology, and what endures.
For patients
I specialize in advanced brain stimulation for treatment-resistant
depression at Acacia Clinics in Sunnyvale, CA. Many of our patients
recover in days after years of failed treatment.
→ Learn about treatment at Acacia Clinics (clinic webpage)
Research
Site Principal Investigator on an active NIH-funded study. Published
in the American Journal of Psychiatry, Nature Neuroscience, and
Neuropsychopharmacology. 2,200+ citations on Google Scholar.
Ghost & Machine
A publication on AI, consciousness, and what it means to be a person
in this moment. Covering alignment, AI in therapy, philosophy of mind,
and human flourishing.
→ Read Ghost & Machine
Book
The Opposite of Depression (Tyndale, 2024) — what I learned from my
most severely ill patients about what it means to flourish.
→ Learn more about the book