Precision Serotonergic Therapeutics

 

First-in-class small molecules designed to selectively engage the 5-HT2A receptor and drive functional restoration across ophthalmology and CNS disease.

Our platform combines receptor-level precision with structure-guided design to generate scalable therapies that regenerate tissue, resolve inflammation, and restore neural circuitry.

Meet the Team

  • Alex Speiser

    Co-Founder & Chief Executive Officer

  • Charles Nichols, PhD

    Co-Founder & Chief Science Officer

  • David Nichols, PhD

    Co-Founder & Head of Chemistry

  • Tim Foster, PhD

    Co-Founder & Head of Translational Discovery

  • Allan Shepard, PhD

    Chief Development & Operations Officer

  • Gerald Billac, PhD

    Director of Preclinical Operations

  • Marina Crowe, MBA

    Vice President of Corporate Development

Advisors

Development

Chris Crean

CEO of Xyzagen
External Advisor for PK/PD

Kristin Hanley, JD

President, Mederi
Head of Regulatory and Quality

Jim Chastain, PhD

Former PK Sciences Head, Novartis & Alcon External Advisor for DMPK

Chris Verbicky, PhD

President, CurVe Consultants, LLC
Head of CMC

Rose Verhoeven, PhD

Former Toxicology Director, Aerie
Head of Toxicology

Dale Usner, MS, PhD

President, OpthalStat
External Advisor, Biostats

Clinical & Commercial

Rayaz Malik, MBChB, PhD, FRCP

Professor of Medicine, Weill Cornell Medicine
External Neuropathy & AI/CCM Clinical Advisor

Gary Sternberg, MD, MBA

Former CMO, Aerie (acq. by Alcon)
Chief Medical Advisor

Founder and former Medical Director of Pepose Vision Institute External Cornea & Ocular Disease Clinical Advisor

Jay Pepose, MD, PhD

Former Commercial / BD Head at Shire (acq. by Takeda)
External Commercial Advisor

Susan Benton, MBA

Former BD Head of Neuroscience/Ophthalmology, Roche
External Commercial Advisor

Thomas Zioncheck, PhD

Co-founder/CEO of Cajal Neuroscience
External CNS Advisor

Ian Peikon, PhD

Christy Milner

President, Beacon Quality Consulting
Head of CMC QA

Professor, Ophthalmology and Vice Chair of Academic Medicine at USF External Cornea & Ocular Disease Clinical Advisor

Pedram Hamrah, MD

Lara Kelly

Founder, Navion Clinical Solutions
External Advisor, Clinical Study Manager (CSM)

Ophthalmologist and Surgeon-Scientist, Stanford University External Cornea & Ocular Disease Clinical Advisor

Neel Pasricha, MD

Our Partners