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Our team has over 75 years of experience in medical technology and behavioral health treatment and research.


Robyn Hussa Farrell​
CEO and Co-Founder

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Tim Farrell​
COO and Co-Founder

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Brian Painter​
Founding Engineer​


Bryan Dennstedt​

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Salma Hatim​



Brian Reed​
Business Development

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Dr. Greg Firn​
Former Superintendent and Ed Tech Strategy​


Sophia Sirianni​
Graphic Design and Client Success​

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Elena Pulanco​
Marketing intern, Wofford College​

Scientific Advisory Board


Susan Barrett, MA
Director for the Center for Social Behavior Support
Old Dominion University

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Natalie Fadel, Psy.D.

Associate Professor for Psychiatry & Neuro-Behavioral Sciences

Edward Via College of Osteopathic Medicine

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Timothy D. Brewerton, MD, DLFAPA 

Affiliate Professor of Psychiatry & Behavioral Sciences

Medical University of South Carolina


Stephen Hinshaw, Ph.D.
Vice-Chair for Child and Adolescent Psychology
University of California, San Francisco

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Maureen A. F. Cadorette, Ph.D., MPH

Director of Occupational & Environmental Health Nursing

Johns Hopkins School of Public Health

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Alex Karydi, Ph.D.
Director of State and Community Initiatives
Suicide Prevention Resource Center


Alexis Stoner, PhD, MPH

Discipline Chair for Epidemiology, Community & Public Health / Preventive Medicine

Edward Via College of Osteopathic Medicine


Duke Biber, PhD, NBC-HWC
Assistant Professor of Integrated Health Science
Kennesaw State University

Health Tech Advisory Board

Research Collaborators

  • Stephanie Aldret, D.O.​

  • Randy Aldret, Ed.D.​

  • Timothy Brewerton, M.D.​

  • Gunner Brolinson, M.D.​

  • Craig Burnette, Ph.D.​

  • Casey Childers, Ph.D.​

  • Martin Eaton, Ph.D.​

  • Natalie Fadel, Psy.D.​

  • Skip Garner, Ph.D.​

  • Alex Karydi, Ph.D.​

  • Lindsey Ridgeway, Ph.D.​

  • Alexis Stoner, Ph.D., MPH​

  • Mark Weist, Psy.D.​

Team Leads​

  • Sharpen Family, Paige Stephenson and Heather Witt, United Way of the Piedmont​

  • Sharpen Founder, Charlie Banks, Venture Carolina and Paul Clark, Venture South​

  • Sharpen Schools, Dr. Greg Firn, Superintendent / learning management software consultant​

  • Sharpen Warrior, Dr. Craig Burnette and Charlie Hall, Upstate Warrior Solution​

  • Medical Student Mental Health, Dr. Natalie Fadel, Dr. Lindsey Ridgeway and Dr. Alexis Stoner, Edward Via College of Osteopathic Medicine​

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