Meet the Biofeedback Technicians and Office Staff

Amy Bernstiel


Amy working on a chartAmy has been with our office since May 2007. She graduated from West Chester University in May 2005 with a degree in Biology. Prior to becoming full time at SPS, Amy worked as a retail store manager, where she specialized in visual merchandising. She was also a Kindergarten Teacher’s Assistant in the Norristown Area School District.  In her off time, Amy is very active with horses and specializes in rehabilitating horses for jumping competitions. In 2013 Amy and her horse, Sweet Emotion, received the Jockey Club Performance Award. Additionally, Amy has taken a personal interest in showing riders of all levels the benefits of Interactive Metronome and EEG Biofeedback.

Chaz Scott

Technician at his desk

Chaz earned a BA in Sociology at Shippensburg University while there on a football scholarship. During that time, Chaz was an active volunteer with the local Boys & Girls Club. During the summer he worked as a Good Stewardship camp counselor and has always enjoyed activities that allow him to interact with and help people.  Chaz has been an athlete his entire life, focusing primarily on football and baseball. He has a passion for sports that combine competition with teamwork. Chaz has long been interested in learning why people do the things they do. He’s excited that working as a biofeedback technician not only provides that learning opportunity but also the chance to share that knowledge and to help others.

Tim Mabrey

20150219_175116Tim has a B.S. in Psychology from Ursinus College and an M.A. in Counseling from Immaculata University.  He is currently working towards his license as a professional counselor.  In addition to working at Sadar Psychological and Sports, Tim is a mobile therapist at Devereux.  Tim’s goal is to empower clients to live happier and healthier lives through the use of biofeedback, which is a powerful intervention to restore balance to the mind and body.  Tim works to develop his own balance through Tae-kwon do, in which he is a third degree black belt, yoga and meditation.

Chelsea Keeler

Technician at her deskChelsea first began working at Sadar Psychological as an intern while receiving her B.A. in Psychology from Franklin and Marshall College. She returned to the office as a biofeedback technician while working towards her Master’s at the University of Pennsylvania. Now, she works as an oncology social worker at the Children’s Hospital of Philadelphia. Chelsea is here on Thursdays as an administrative assistance and biofeedback technician. She has always been interested in the way that people think and has loved the opportunity to continue this learning here at SPS.

Kristin Dugas

Administrative Assistant

Our Administrative Assistant, KristinKristin brings her caring, patient demeanor to SPS, as well as flexibility and dependability. Kristin understands the importance of making the office run smoothly.  After attending Kennedy Kenrick Catholic High School, Kristin decided to pursue a degree in Engineering.  As a result of her work at SPS, Kristin has the desire to explore biofeedback and the psychology field once she completes her Engineering degree.

Kristin enjoys being active, doing activities outdoors and – most importantly – venturing out to try new things with her son, Roman.