Ryan S. Sultan, M.D.

Research Collaborators & Professional Network

Collaborative Research with Leading Psychiatrists Nationwide


Home | Profile | Publications | Research | ADHD Guide | Contact


🤝 Collaborative Research Network

Dr. Sultan's research is conducted in collaboration with nationally-recognized psychiatrists and NIH-funded investigators at top academic medical centers including Yale University, Harvard Medical School, Mount Sinai, Northwestern University, and Emory University.

These collaborations span multiple NIH-funded studies on ADHD treatment patterns, cannabis use disorders, and digital mental health interventions.


Principal Collaborators

Listed alphabetically. Institutional affiliations provided for identification purposes.


Christoph U. Correll, MD

Professor of Psychiatry and Molecular Medicine
Zucker Hillside Hospital, Northwell Health
Hofstra Northwell School of Medicine
New York, NY

Expertise: Schizophrenia, Psychopharmacology, Antipsychotic Medications

Research Profile:

  • 600+ publications, h-index 100+
  • Internationally recognized leader in schizophrenia research
  • Expert in antipsychotic medication efficacy and safety
  • Multiple NIH-funded studies

Collaboration: Psychopharmacoepidemiology studies, antipsychotic prescribing patterns research

Links:
Wikipedia Profile
Institutional Profile

Dr. Correll is one of the few psychiatrists with a Wikipedia page, reflecting his international recognition.


Kevin Gray, MD

Professor of Psychiatry
Medical University of South Carolina (MUSC)
Charleston, SC

Expertise: Cannabis Use Disorders, Adolescent Substance Use, Treatment Development

Research Profile:

  • NIH R01-funded investigator
  • Leading expert in cannabis use disorder treatment
  • Focus on adolescent and young adult populations
  • Clinical trials of novel cannabis interventions

Collaboration: PAWS study (cannabis-related psychosis prevention), youth cannabis use research

MUSC Profile →


Joshua A. Gordon, MD, PhD

Former Director, National Institute of Mental Health (NIMH)
National Institutes of Health
Bethesda, MD

Expertise: Neuroscience, Psychiatric Research Policy, Translational Research

Research Profile:

  • Led NIMH from 2016-2024
  • Neuroscience researcher specializing in anxiety and cognitive function
  • Shaped national psychiatric research priorities
  • Strong advocate for digital mental health research

Collaboration: NIH grant review, research policy discussions, digital therapeutics development


Yasmin L. Hurd, PhD

Ward-Coleman Chair in Translational Neuroscience
Director, Addiction Institute
Icahn School of Medicine at Mount Sinai
New York, NY

Expertise: Cannabis Research, Addiction Neuroscience, Cannabinoid Systems

Research Profile:

  • $30M+ NIH funding for cannabis/addiction research
  • International leader in understanding cannabis effects on brain
  • Focus on cannabis and psychosis risk
  • Extensive work on adolescent cannabis exposure

Collaboration: Cannabis and psychosis prevention research, PAWS study co-investigator

Mount Sinai Profile →


John H. Krystal, MD

🌟 HIGHLIGHTED COLLABORATOR

Robert L. McNeil, Jr. Professor and Chair of Psychiatry
Yale University School of Medicine
New Haven, CT

Editor-in-Chief, Biological Psychiatry (2006-present)

Expertise: Ketamine Research, Treatment-Resistant Depression, PTSD, Alcohol Use Disorder

Research Profile:

  • 700+ publications, h-index 150+
  • Pioneer in ketamine research for depression
  • Former Deputy Director for Research, VA National Center for PTSD
  • Editor of leading psychiatric neuroscience journal
  • Multiple NIH R01 grants
  • Member, National Academy of Medicine

Collaboration: PAWS study letter of support, digital therapeutics research, psychopharmacology studies

Endorsement: "Dr. Sultan's research on cannabis-related psychosis represents an innovative approach to a critical public health challenge. I am committed to supporting this important work."

Yale Profile →


Sharon Levy, MD, MPH

Director, Adolescent Substance Use and Addiction Program
Boston Children's Hospital
Associate Professor of Pediatrics, Harvard Medical School
Boston, MA

Expertise: Adolescent Substance Use, Cannabis, Screening and Brief Intervention

Research Profile:

  • Member, AAP Committee on Substance Use and Prevention
  • National expert on adolescent cannabis use
  • Developed screening tools for pediatric populations
  • NIH-funded investigator
  • Policy advisor on youth substance use

Collaboration: PAWS study, adolescent cannabis research, screening instrument development

Boston Children's Profile →


William M. McDonald, MD

J.B. Fuqua Chair and Professor
Chair, Department of Psychiatry and Behavioral Sciences
Emory University School of Medicine
Atlanta, GA

Expertise: Treatment-Resistant Depression, TMS, ECT, Geriatric Psychiatry

Research Profile:

  • Department Chair at top-tier academic center
  • Expert in brain stimulation therapies
  • TMS and ECT clinical research
  • Focus on late-life depression

Collaboration: Treatment-resistant depression research, digital therapeutics, brain stimulation studies

Emory Profile →


Eric J. Nestler, MD, PhD

🌟 HIGHLIGHTED COLLABORATOR

Dean for Academic Affairs
Nash Family Professor of Neuroscience
Director, Friedman Brain Institute
Icahn School of Medicine at Mount Sinai
New York, NY

Expertise: Addiction Neuroscience, Molecular Psychiatry, Epigenetics

Research Profile:

  • Former Director, NIMH Division of Basic Neuroscience
  • 600+ publications, h-index 140+
  • Pioneer in molecular mechanisms of addiction
  • Leading neuroscience textbook author
  • Member, National Academy of Sciences
  • Member, National Academy of Medicine

Collaboration: NIDA K12 mentorship, addiction research consultation, neuroscience of ADHD

Mount Sinai Profile →


Rebecca Rendleman, MD

Psychiatrist
Weill Cornell Medicine
New York, NY

Expertise: Adult Psychiatry, ADHD, Mood Disorders

Collaboration: Clinical research, ADHD treatment studies, New York-based collaborative network


Barbara Schindler, MD

Clinical Professor of Psychiatry
Drexel University College of Medicine
Philadelphia, PA

Expertise: Medical Education, Academic Psychiatry, Clinical Practice

Research Profile:

  • Extensive medical education experience
  • Focus on psychiatry training and education
  • Clinical practice innovation

Collaboration: Medical education research, clinical practice studies, academic psychiatry

Drexel Profile →


John T. Walkup, MD

🌟 HIGHLIGHTED COLLABORATOR

Ann & Robert H. Lurie Professor of Psychiatry
Chair, Department of Psychiatry and Behavioral Sciences
Northwestern University Feinberg School of Medicine
Ann & Robert H. Lurie Children's Hospital of Chicago
Chicago, IL

Former President, American Academy of Child and Adolescent Psychiatry (AACAP)

Expertise: Pediatric Anxiety Disorders, OCD, Tourette Syndrome, Clinical Trials

Research Profile:

  • National leader in child and adolescent psychiatry
  • Led major multi-site clinical trials (POTS, CAMS, TADS)
  • Former AACAP President (2013-2015)
  • Multiple NIH-funded studies
  • Expert in pediatric anxiety and OCD treatment

Collaboration: Child psychiatry research, clinical trials methodology, PAWS study support

Northwestern Profile →


Timothy E. Wilens, MD

🌟 HIGHLIGHTED COLLABORATOR

Chief, Division of Child & Adolescent Psychiatry
Massachusetts General Hospital
Associate Professor of Psychiatry, Harvard Medical School
Boston, MA

Expertise: ADHD (particularly adult ADHD), Substance Use Disorders, ADHD-SUD Comorbidity

Research Profile:

  • 400+ publications on ADHD and substance use
  • Leading expert on adult ADHD
  • Pioneer in understanding ADHD-addiction comorbidity
  • Multiple NIH R01 grants
  • Author of landmark ADHD-SUD studies

Collaboration: ADHD treatment pattern research, substance use comorbidity studies, adult ADHD clinical research

Endorsement: "Dr. Sultan's research on ADHD medication patterns fills a critical gap in our understanding of real-world prescribing practices."

Mass General Profile →


Additional Research Collaborators

Dr. Sultan also collaborates with the following investigators on various research projects:


Research Institutions Represented

Institution Collaborators
Yale University John Krystal
Harvard Medical School Timothy Wilens, Sharon Levy
Mount Sinai (Icahn School of Medicine) Eric Nestler, Yasmin Hurd
Northwestern University John T. Walkup
Emory University William McDonald
Northwell Health/Hofstra Christoph Correll
Medical University of South Carolina Kevin Gray
Boston Children's Hospital Sharon Levy
Massachusetts General Hospital Timothy Wilens
Weill Cornell Medicine Rebecca Rendleman
Drexel University Barbara Schindler
National Institute of Mental Health Joshua Gordon (former Director)

Collaborative Research Projects

PAWS Study (Cannabis & Psychosis Prevention)

NIH R01-Funded

Principal Investigator: Ryan S. Sultan, MD (Columbia)

Co-Investigators/Collaborators: Yasmin Hurd (Mount Sinai), Kevin Gray (MUSC), Sharon Levy (Harvard/BCH)

Letters of Support: John Krystal (Yale), John T. Walkup (Northwestern), Timothy Wilens (Harvard), Eric Nestler (Mount Sinai), and others

ADHD Treatment Patterns Research

Multi-Site Collaboration

Focus: Real-world medication prescribing patterns, treatment outcomes, longitudinal follow-up

Collaborators: Timothy Wilens (Harvard), multiple academic centers

Digital ADHD Interventions

NIH R43-Funded

Focus: Smartphone-based ADHD intervention development

Collaborators: Digital health experts, clinical researchers


Why Collaboration Matters

The Power of Collaborative Science

Modern psychiatric research requires expertise across multiple domains: clinical care, neuroscience, epidemiology, statistics, and digital health. No single investigator can master all areas.

Dr. Sultan's collaborative network brings together:

  • Clinical Expertise: Practicing psychiatrists treating ADHD, addiction, and mood disorders
  • Research Methodology: Experts in clinical trials, epidemiology, and data science
  • Subject Matter Depth: Leaders in ADHD, cannabis, addiction, and psychopharmacology
  • Institutional Resources: Access to patient populations, databases, and research infrastructure
  • Mentorship: Guidance from established investigators (Nestler, Krystal, Wilens)

This network enables rigorous, impactful research that advances psychiatric care.


Publications with Collaborators

For co-authored publications with these collaborators, see the Publications page.

Dr. Sultan's research has been cited 411+ times in the medical literature, with the most-cited work being a JAMA Psychiatry study on psychopharmacology prescribing patterns.


Learn More:


ADHD Resources

ADHD Guide
Diagnosis
Medications
ADHD in Women
Children
Self-Assessment

Clinical Content

RSD
ADHD Paralysis
ADHD Burnout
OCD & ADHD
ADHD vs Autism

Research & Publications

Publications
Research Grants
Articles
Presentations
Blog

About & Contact

Profile
CV
Contact
Practice
ADHD Services NYC