Sadar Psychological and Biofeedback Center

Sadar Psychological and Sports Center is a family owned and operated psychology practice specializing in the use of EEG Biofeedback/Neurofeedback  and psychotherapy to treat a wide range of clinical conditions and to develop peak performance in a variety of life areas.

Our small and dedicated staff prides itself on its research-based approach to brain training and the personalized care it offers each of our clients.

We also believe in the ability of every human being to work towards their best potential and achieve in sports, career, school and at home.  That is why we combine our years of experience doing psychotherapy with the advances that new technologies have brought to the field of psychology as a powerful way to bring positive results to children, adolescents and adults.  We offer individualized treatment based on a thorough assessment process.

Located in Phoenixville, Pennsylvania, we have been proud to service the greater Philadelphia area since 1985.  Since establishment, Sadar Psychological has been selected by the Human Brain Institute of Switzerland as the US partner clinic to help introduce the HBI method to the US.


Mitchell Sadar, Ph.D.

Dr. Mitchell Sadar is a licensed psychologist who has been practicing clinical psychology for over 25 years.  He has worked in a wide array of settings including adult and adolescent inpatient units, substance abuse rehabilitation programs, prisons, and private practice.  In 1999, Dr. Sadar became the first clinician in the greater Philadelphia area to be trained in EEG biofeedback/neurofeeback and one of the first 500 neurofeedback practitioners in the world.

  • Education:
    B.A. with Honors in Psychology – Dartmouth College
    M.A. in Clinical Psychology – University of Dayton
    Ph.D. in Clinical Psychology – University of Nebraska, Lincoln
  • APA Specialization in Addictions
  • BCIA Board Certified in Neurofeedback
  • President of Northeast Regional Biofeedback Society
  • Member: American Psychological Association, Pennsylvania Psychological Association, International Society for Neurofeedback and Research, Association for Applied Psychophysiology and Biofeedback, Greater Philadelphia Pain Society, Affiliate Member of EEG Info, Brainmaster Technologies, and EEG Education and Research.
  • Practicing EEG Biofeedback/Neurofeedback since 2000

Angelika Y. Sadar, MA

Angelika Sadar is a licensed psychologist who has been in private practice in the greater Philadelphia area since 1985. She is a treatment coordinator at Sadar Psychological and Sports Center and a nationally recognized speaker providing education and offering training to other professionals in neurofeedback, biofeedback, and hypnosis.  Angelika enjoys being a tennis player and fan, gardening, spending time with her two adult daughters, and chasing her young grandchildren.

  • Education:
    B.A. in Psychology, B.A. in Sociology – Binghamton University, NY
    M.A Clinical Psychology – University of Dayton, OH
    Specialization in Gerontology – University of Nebraska, Lincoln
  • BCIA Board Certified in Neurofeedback
  • Member: Executive Director of Northeast Regional Biofeedback Society, Pennsylvania Psychological Association, and American Society of Clinical Hypnosis, Greater Philadelphia Society of Clinical Hypnosis, Philadelphia Pain Society, Professional Tennis Registry
  • USTA Sports Psychology Certification
  • Member of United States Tennis Association Speakers Bureau
  • Official sports psychologist for the Philadelphia Freedoms, Professional Tennis Team 2001-2010
  • Practicing EEG Biofeedback/Neurofeedback since 2000


Our highly trained and friendly staff will help bring out the best in you.

GunkelmanJay Gunkleman, QEEG Diplomat

Jay Gunkelman is recognized as one of the top leaders in the field of EEG and QEEG, and has processed over 500,000 EEGs since 1972. He is the co-founder and Chief Science Officer of Brain Science International.


Jay has become an expert in predicting medication response from QEEG data, making him an incredible asset to both medication and alternative to medication approaches.


He has served as president of The International Society for Neurofeedback and Research, as well as a board member and treasurer of the Association for Applied Psychophysiology and Biofeedback and is a past-president of the Biofeedback Society of California. He continues to lecture on EEG/QEEG at neuroscience meetings worldwide. He has co-authored the textbook on EEG artifacting (2001).  Jay remains busy with current projects and publications related to his seminal paper on EEG endophenotypes (2005, Clinical Electroencephalography).

  • Consultant to Sadar Psychological

prolersmMeyer Proler, MD

Dr. Meyer Proler, MD is president of MedDataLink and Statlinka, a graduate of Baylor University and College of Medicine, and is certified by the American EEG Society Board of Qualifications, as well as the American Board of Electroencephalography with special competence in quantified EEG. He has been a clinical assistant professor in the Department of Neurology at Baylor University for over 14 years. He has had numerous scientific papers on neurology published.


Dr. Proler is a member of the American Medical Association, American Academy of Clinical Neurophysiology and American Academy of Neurology among others. He is president of MedDataLink and Statlink which processes hundreds of EEGs for doctors and hospitals in the United Stated and other parts of the world each month. He is also a shareholder and principal at Brain Science International.

  • Consultant to Sadar Psychological

Dave FedermanDave Federman, Ph.D.

Dave is an experienced therapist in private practice since 1980.  He has treated patients in a wide variety of settings including partial hospitalization, day programs, community out-patient programs and prisons.  Outside of work, he spends his time fixing up the old house he owns and, though he doesn’t have any interest in football, he is a fanatic of the Philadelphia Eagles.  Dave specializes in treatment of chronic mental health issues, Couples/Marriage Counseling, and Group Therapy

Education & Affiliations:

MS in Psychology, The College of New Jersey
Ph. D in Clinical Psychology, The School of Professional Psychology at Chestnut Hill College
Member of the Pennsylvania Psychological Association

Robert MaierBob Maier, MA

Robert has been with Sadar Psychological and Sports since 1996 where he provides counseling to individuals, couples and families. Prior to his entry into the counseling field, Robert had careers in both banking and real estate and served in the U.S. Navy. He is a native of the Norristown area, where he raised his family and continues to enjoy bike riding and being a Penn State fan.


Education & Experience:

BA in History with concentration in the Russian Empire, Villanova University
MS in Counseling Psychology – Chestnut Hill College
Director of the Mental Health Unit at SCI Graterford 1997-2013
Consultant to the Mental Health Unit at SCI Graterford

Sondra Moore, LPC

bio coming soon

Education & Affiliations:

details coming soon

Amy working on a chartAmy Bernstiel

Amy has been with our office since May 2007. 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.

Technician at his deskChaz Scott

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.

Our Administrative Assistant, KristinKristin Dugas

Kristin 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 explorebiofeedback 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 two children.

Technician at her deskChelsea Keeler, MA

Chelsea 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 having graduated, 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.

  • Administrative Assistant

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Blog Post

Posted by Sadarpsych on December 12, 2014

There’s more than therapy!

As the New Year approaches and people start to talk about New Year’s Resolutions (and we work non-stop to get our expanded office space ready) I’ve been thinking a lot about Sadar Psychological and Sports – who we are, what we believe in, and how we can keep improving.

How do Psychology and Sports fit together???

People have regularly asked me why we chose to name the practice Sadar Psychological and Sports Center…The name was based on our philosophy that both mental and physical wellness are (more…)