Leadership Team

David Happel

Chief Executive Officer

25 years experience successfully commercializing medical products for biotech and biopharma companies including Chrono Therapeutics, Horizon Therapeutics and Raptor Pharma.  

Sharief Taraman, MD, DABPN, DABPM, FAAP

Chief Medical Officer

Division Chief, CHOC Children’s Hospital & Associate Clinical Professor, University of California-Irvine. Dual Board Certified in Child Neurology & Clinical Informatics.

Craig Hughes

Chief Technology Officer

Serial software startup founder & CTO. Board member of one of the UK’s largest psychiatric hospital groups for 13 years.  

Halim Abbas

Chief AI Officer

AI innovator and industry veteran who spearheaded world-class data science projects at game changing techs like eBay and Teradata.

Joe Melvin

Chief Financial Officer

Finance executive with 20 years experience in the pharma & biotech industry. Previously at Genentech, Chiron, APT Pharmaceuticals, and PhotoThera.

Stephanie Falkenstein

SVP Marketing

Marketing executive for health tech companies including Ginger.io and Practice Fusion.

Andy Molnar

VP Market Access

Digital therapeutics executive focused on payer coverage, workflow integration, and provider adoption.

Justin Ho

VP Product Management

Product and strategy executive, previously at 23andMe, Walmart Labs, Maquet Cardiovascular, Accenture, and former founder/CEO of senior aging-in-place company Agility4Life.

Colleen Kraft, MD, MBA, FAAP

Senior Medical Director of Clinical Adoption

Professor of Pediatrics, Keck School of Medicine at the University of Southern California. 2018 President, American Academy of Pediatrics. Division of General Pediatrics,  Children’s Hospital Los Angeles.

Clinical Advisors and Key Opinion Leaders

Dennis Wall, Founder

Dennis Wall, PhD


Associate Professor of Pediatrics and Biomedical Data Science at Stanford University with 14 years of research experience focused on building validated mobile AI solutions for better child health.

Jennifer Shannon, MD

Board Certified Child and Adolescent Psychiatrist, Founder of Digital Brain consulting, member of DTA Healthcare Advisory Board

Christopher Nicholls, PhD, ABPP, ABPdN

Clinical Neuropsychologist, Adjunct Professor, Arizona State University

photo of Lee Sanders

Lee Sanders, MD, MPH

Chief, Division of General Pediatrics, Stanford University

Daniel Coury, MD

Daniel L. Coury, MD

Chief, Developmental & Behavioral Pediatrics Nationwide Children’s Hospital

Janesta Noland, MD

Janesta Noland, MD

Adjunct Clinical Assistant Professor Stanford Children’s Health

Alan Greene, MD

Alan Greene, MD

Adjunct Clinical Professor, Pediatrics, Stanford

Ricki Robinson

Ricki Robinson, MD

Clinical Professor of Pediatrics, Keck School Medicine of USC and Senior Attending Physician, Children’s Hospital of Los Angeles

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