Roslyn Knox, Ph.D., MBA

Executive Director

Dr. Knox joins SDBIF to help those affected by brain injury improve their quality of life through her diverse, array of experience in management and leadership.

Cindy Pahr

President of the Board

Cindy coordinates the implementation of a unique brain injury services model for children with traumatic and acquired brain injuries both with school re-entry and throughout the progression through school post-injury.

Susan Biffl, M.D.

Vice President

Dr. Biffl is bringing her 30+ years of experience in Pediatric Physical Medicine and Rehabilitation to SDBIF's board as part of her mission to continue to do all she can to support the quality...

Adrienne Dubin, Ph.D.


Dr. Dubin is a neuroscientist with the Scripps Research Institute and an Adjunct Assistant Professor in the Department of Biology at San Diego State University, focusing on brain injuries, imaging diagnostics and the psychological...

Tim Scheidt


Tim is an Adjunct Professor of Educational Leadership for National University and Managing Partner of GSP Publishing GP. Tim's daughter suffered a severe TBI and he wants to help others in similar situations.

Donna Benson

Eight years ago, Donna Benson was camping with friends at Waterton Lakes National Park in Canada when she suffered a grand mal seizure in the middle of the night. “I’d never been sick; I’d...

Hayley Brown

On June 2, 2012 Hayley Brown, 18, was volunteering with the Flying Doctors of Mercy (Liga International) on a medical mission in México when the airplane in which she was traveling struck power lines...

Mohammed Ahmed, M.D.


Dr. Ahmed is an expert in the treatment of various brain disorders using Neuromodulation/Transcranial Magnetic Stimulation (TMS) for TBI patients including veterans and former NFL players.

Stephanie Bidegain


Stephanie Bidegain began her work with the Foundation in 2001 and has a passion for working with and helping the brain injury community.

Flo Crenshaw

Howard House Administrator

Bio coming soon...

Serving the Brain Injury Community Since 1983