Dr. Mark Liker MD, FAANS. FACS
President / Owner
Dr. Mark Liker is a World-renowned Neurosurgeon and is the founder, owner and President of BrainStim Centers, Inc.
Dr. Liker attended Princeton University in New Jersey, where he studied mechanical and aerospace engineering while completing the necessary requirements for medical school matriculation. In 1995, Dr. Liker completed his medical degree with honors from the State University of New York and continued his medical training at the Keck Medical Center at the University of Southern California (USC) and Los Angeles County Medical Center.
Dr. Liker expects the highest standard of care not only in his private practice but in his TMS Clinics as well. He believes by using the Nexstim Smartfocus equipment, qEEG, and Cambridge Brain Science testing he and his staff can create a plan for each patient to receive optimal brain health.
Executive VP of Operations
Joella Williams is the Executive VP of Operations at Brainstim Centers. She holds a Bachelor’s Degree in Public Relations for the Performing Arts with a minor in Music Education from the University of Nebraska-Lincoln and completed graduate courses in the Music Therapy and Master’s of Public Administration programs from California State University Northridge. Joella’s unique educational experiences in both music and business have afforded her the opportunity to be both business savvy while having direct understanding of the patient process. Joella has been instrumental in building BrainStim Centers from its inception and is excited about observing its patient progress using TMS treatments. Joella occasionally performs on a variety of musical instruments. However, she is also a beloved author of a children’s book series that explains how to read music using rhyming bedtime stories.
Sonja Hillman Suchy
Director of Human Resources and Patient Communication
Sonja Hillman Suchy, SHRM-SCP is Director of Human Resources and Patient Communication with BrainStim Centers. She is very likely to be your first point of contact and would like you to know that she is committed to supporting the health and wellness of our community. Sonja has worked as a consultant in human resources and leadership for years since managing banks in Washington D.C. When she was younger, she lived in Paris, attended U.C. Berkeley, taught middle school science and English and had a business in design work. Now, she volunteers her time to her Girl Scout Troop and bakes copious amounts of sourdough. She looks forward to working with you throughout your healthcare journey.
Neuromodulation and Billing Specialist
Aleksandra Borowska is a Neuromodulation and Billing Specialist at BrainStim Centers. Alex is originally from Poland and moved to Los Angeles six years ago. She earned her Bachelor’s degree in German Philology, a history of languages and cultures, from Breslau University in Poland. Recently she received her Bachelor of Arts degree in Psychology from California State University Northridge. Aleksandra has had training in both the hospital setting as a nursing assistant in Germany, and while studying in the United States, she worked as a childcare specialist in Los Angeles. Alex speaks several languages and enjoys being in nature, hiking, and traveling.
Neuromodulation Specialist & Office Manager/Valencia Office
Crystal Martinez is a Neuromodulation Specialist and office manager located in our Valencia office. She has had experience working in the medical field first as a patient care technician then in perioperative services, and is also training to be a interaoperative neuromonitoring technician. She is currently working on her Bachelor’s degree in Nutritional Science and is interested in ensuring patients are taken care of so they can function at their very best self. She is adept in multitasking with patient care and managing all aspects of office management such as billing, scheduling, and assisting with insurance inquiries. Crystal has three lovely children and spends her time overseeing their education and extracurricular activities particularly during this time of home-schooling during Covid-19. Because of these circumstances, Crystal shines in her ability to be extremely patient yet direct and will definitely guide you to a positive outcome on your own health journey.
Neuromodulation Specialist & Office Manager/ Encino Office
Christy Vasquez is a Neuromodulation Specialist and office manager located in our Encino office. Christy has experience in providing compassionate and enthusiastic customer service to all patients in both Dr. Liker’s private practice and those at Brainstim Centers. With the addition of TMS, Christy has excelled quickly at becoming a neuromodulation specialist. Christy understands the need for exceptional patient care and is adept at helping patients not only receive treatment, but get through the administrative process itself. She has a background in Healthcare Management and is currently working on her Bachelor’s of Arts degree which directly correlates with her desire to understand more about all patients she works with. Christy enjoys hobbies such as hiking and cooking in her spare time and is expecting this fall.
Neuromodulation Specialist & Application Researcher
Maxwell Hand is our newest neuromodulation specialist and Application Researcher. Max was born and raised in Santa Clarita, California. He has spent the last 5 years living in Washington state where he completed his Bachelor’s degree in Behavioral Neuroscience at Western Washington University. Max has a passion for human behavior, the brain, and research. He hopes to pursue a PhD at some point in the future and continue to be on the forefront of Human Neuroscience research. When he isn’t in the office, he spends his time cooking for his friends and family and exploring nature.