Our Team

Dr. Adam Zysk has over 20 years of research experience in academic and clinical settings. He has led engineering development and clinical studies efforts for multiple medical device efforts and continues to bring together multi-disciplinary teams focused on pursuing improvements in patient care. Additionally, Dr. Zysk is well versed in Class II and III medical device regulatory submissions in the US and EU. He has also been the PI of multiple NIH funded projects. He earned an MS and PhD in Electrical and Computer Engineering from the University of Illinois at Urbana–Champaign, a BS in Electrical Engineering from Purdue University, was on faculty at the Illinois Institute of Technology, and held an appointment at the Washington University in St. Louis.

David D. Limbrick Jr., MD, PhD joined the VCU Health and CHoR faculty as chair of the Department of Neurosurgery in 2023. Prior to joining VCU Health, he served as the T.S. Park Chair and Chief of Pediatric Neurosurgery, and Executive Vice Chair of Neurological Surgery at Washington University. Dr. Limbrick is internationally regarded for his expertise in treating disorders of the craniovertebral junction, including the Chiari malformations, neuro-endoscopic treatment of hydrocephalus, and pediatric brain tumors. He has received the Public Service Citation from the American Association of Neurological Surgeons and Congress of Neurological Surgeons for international neurosurgical relief work, the Humanism in Medicine Award from Washington University School of Medicine, and the Innovator Award from the Hydrocephalus Association.

Dr. Limbrick’s primary research focus is on cerebrospinal fluid disorders, where he is active in basic, clinical, and translational research. He serves as Principal Investigator for two major multicenter randomized controlled trials: Posterior Fossa Decompression with or without Duraplasty for Chiari Type I Malformation and Syringomyelia and Endoscopic Versus Shunt Treatment of Hydrocephalus in Infants. He is Chair of Biospecimens and Neuro-Imaging for the Hydrocephalus Clinical Research Network and has been the Principal Investigator for the Park-Reeves Syringomyelia Research Consortium since its inception. His research has been continuously funded by NIH, PCORI, and other federal agencies since he joined the faculty in 2008. Most recently, he was the recipient of a program project award (PPG) and an R25 educational grant with a long-term goal of increasing the diversity of the pediatric neurosciences workforce.

Dr. Limbrick has authored more than 250 peer-reviewed journal articles and 15 book chapters and has given more than 150 national/international presentations. He has edited two books and serves on the Editorial Board of Journal of Neurosurgery: Pediatrics, Fluids and Barriers of the CNS, and Neurosurgery Practice, where he is the section editor for Pediatric Neurosurgery. He serves as Treasurer of the American Association of Neurological Surgeons (AANS)/Congress of Neurological Surgeons (CNS) Joint Section for Pediatric Neurosurgery, Treasurer of the Accreditation Council for Pediatric Neurosurgery Fellowships (ACPNF), and Research Chair on the Executive Committee of the American Society of Pediatric Neurosurgeons (ASPN). He is a member of the Academy of Neurological Surgeons and the Society of Neurological Surgeons and serves on the National Advisory Committee of the Neurosurgeon Research Career Development Program (NRCDP). Nationally, he serves on the boards of Cure Hydrocephalus, Bobby Jones Chiari & Syringomyelia Foundation, Rudy Schulte Institute, and the Hydrocephalus Association, including the HA Washington Advocacy Committee.

John has over 25 years of financial and operational experience in the pharmaceutical and medical device arenas. Prior to joining Alyve Medical, John was CFO of Bolder Surgical and led the M&A team during the successful sale of Bolder Surgical to Hologic, Inc. in December 2021. John also co-founded Micro-Imaging Solutions whereby he led the finance and business development efforts for over 15 years. Prior to that role, John spent most of his career as a finance executive with large, multi-national corporations including Akzo-Nobel NV, Amgen and Thermo Fisher Scientific. John is a graduate of both Colorado State University where he earned a BS in Accounting and the University of Colorado-Denver where he earned an MS in Finance. John is also a CPA.

Chris Gornick has nearly 20 years of MedTech experience with a proven track record of building new markets and scaling high performing teams at both large companies and startups. Previously, he was Head of Marketing at Aerogen, where he built and led the North America Strategy, Marketing, Commercial Enablement, and Clinical Education teams. Chris and his teams were instrumental in driving record breaking high double-digit revenue growth year over year far surpassing the company’s targets. Prior to Aerogen, Chris held executive leadership positions at early-stage startups Avail Medsystems (acquired by Mendaera) and Outset Medical (NASDAQ:OM). During his time at these companies, they raised a combined total of over $300M in additional funding. Chris was instrumental in defining, developing and launching each companies’ scalable platform essential for building two new markets. Prior to Outset Medical, Chris spent 10 years at Medtronic in multiple sales, marketing, and strategy leadership positions. He also completed their 3-year Leadership Development Program during his tenure, a select program reserved for high potential leaders within the company.

Chris earned an MBA and Health Sector Management Certificate from Duke University, The Fuqua School of Business.

Dr. Siddharth Krishnan obtained undergraduate and master’s degrees in mechanical engineering from Washington University in St. Louis, and a doctorate in Materials Science from the University of Illinois at Urbana-Champaign. He has broad experience in the design, manufacture and testing of soft, wearable biosensors. Dr. Krishnan is also on the 2020 Forbes 30 under 30 list for science and on MIT Technology Review’s Innovators Under 35 list for 2020.

Dr. Amit Ayer completed neurosurgical residency at Northwestern University Feinberg School of Medicine and an MBA at Kellogg School of Management, and is currently pursuing fellowship training in epilepsy and functional neurosurgery at Stanford University. He has authored over 25 peer-reviewed papers, abstracts and book chapters in leading basic science and clinical journals, including Science Translational Medicine, Nature Digital Medicine, Journal of Neurological Surgery and the Journal of Immunology. Dr. Ayer has been recognized by funding from the Pediatric Hydrocephalus Foundation, the Stanley Manne Children’s Research Institute, among others. He was awarded the Cisco Global Problem Solver Prize and shortlisted as a finalist for the “Innovator of the Year” award by the Congress of Neurological Surgeons (CNS).

Chase Correia began his career at the Querrey Simpson Institute for Bioelectronics as an undergraduate researcher contributing to the development of soft, flexible biosensors. He has broad experience in the electromechanical design of wearable devices and physiological data analysis. He earned his BS in Biomedical Engineering and MS in Mechanical Engineering from Northwestern University specializing in wearable computing.

Dr. Alex Burton started his biomedical engineering career 8 years ago developing algorithms to extract physiological responses collected with body worn devices to determine behavioral and environmental impacts on the wellbeing of patient and office workers. Since then, he has transitioned into implementing medical device designs to interface with the central and peripheral nervous system. He has >10 published works including peer-reviewed papers and review articles on fully implantable wireless, battery-free, electronics and patent on non-invasive techniques to map current density patterns from deep brain stimulators. He earned both his BS and Ph.D. in Biomedical Engineering from the University of Arizona specializing in mechanics and medical device sensors.

Dr. Jenna Koschnitzky brings over 20 years of basic and clinical science experience working in diverse research areas including plant and sensory biology, neuroscience, clinical trial development, and patient engagement. Her interest in hydrocephalus stems from eight years directing the research department at the Hydrocephalus Association, a health non-profit organization.

During that time, Dr. Koschnitzky developed and executed multiple research programs while cultivating relationships with clinical and basic researchers as well as with dozens of industry partners. This work included collaborating with and supporting the activities of multicenter clinical research collaboratives, the Hydrocephalus Clinical Research Network (HCRN) and the Adult HCRN, and developing and running a basic science network the Hydrocephalus Association Network for Discovery Science. Concurrently, she developed and ran multiple annual research grant programs, developed and deployed the first hydrocephalus focused community powered registry, and developed community- based hydrocephalus research priorities using the James Lind Alliance methodology. Dr. Koschnitzky also served on the Board of Directors for the Health Research Association.

Dr. Koschnitzky is currently the Senior Director of Neurosurgery Research of Rhaeos, Inc. and a science consultant. She graduated summa cum laude and is a member of the Phi Beta Kappa Society (Wake Forest University). She holds a PhD in neuroscience (Northwestern University).

Ms. Shannon McKay is a product development engineer at Rhaeos specializing in electronics and thermal testing. Ms. McKay earned her B.S. degree in biomedical engineering from Northwestern University. During this time, she worked in the John Rogers lab assisting in the development of nerve cooling devices.

Blake Parsons focused his undergraduate career at Northwestern University on developing an extensive understanding of the mechanical design and testing of medical devices, and applied this knowledge to a variety of wearable sensor academic projects, leading to multiple publications. Blake also spent part of his undergraduate career as a co-op at Ethicon, where he was able to further develop his mechanical design skills and gain an increased understanding of the regulatory processes necessary to successfully launch a product. He brings his knowledge and experience to the mechanical design of Rhaeos systems and devices. Blake earned a BS in Biomedical Engineering from Northwestern University in 2021.

Mr. Scott Odland has a bachelor’s degree in mechanical engineering from Northwestern University. Throughout his engineering career, Scott has expressed a passion to build, starting with making his own wooden surfboards and skateboards. At Northwestern, he continued to explore his passion in areas such as robotic manipulation, algorithm development, and sensor fusion. At Rhaeos, Scott has utilized these experiences to push software and firmware development forward.