Meet Our Senior Leadership Team
The New York Proton Center is run by a veteran leadership team with deep clinical knowledge and professional expertise in both conventional radiotherapy and proton therapy, with decades of combined experience running proton centers around the country.
Christopher Panczner
Chief Executive Officer
Christopher Panczner has more than 25 years of management and leadership experience in the New York healthcare community. Prior to joining NYPC, Mr. Panczner was Senior Vice President and Chief Legal Officer at Montefiore Einstein where he oversaw the acquisition and integration of eleven hospitals and the Albert Einstein College of Medicine and forged transformative partnerships that improved and enhanced care delivery across the region. As a member of NYPC’s Board of Directors from 2009 to 2025, Mr. Panczner was instrumental in facilitating the Center’s launch and shaping its growth into an international leader in cancer treatment and research.
Recognized for building consensus among diverse stakeholders, Mr. Panczner has united clinicians, academic institutions, and community stakeholders to achieve shared goals. His patient-centric vision prioritizes innovative, compassionate care, and improving outcomes and access to advanced treatments for patients battling cancer.
Charles B. Simone, II, MD, FASTRO, FACRO
Chief Medical Officer
Dr. Charles B. Simone, II is the Chief Medical Officer of the New York Proton Center. He is an internationally recognized expert in the use of proton therapy for thoracic malignancies and reirradiation and has an extensive background in traditional radiotherapy. He also specializes in developing clinical trial strategies and innovative research in thoracic radiation oncology and stereotactic body radiation therapy.
Dr. Simone is a Full Member in the Department of Radiation Oncology at Memorial Sloan Kettering Cancer Center. He is a National Institutes of Health, National Science Foundation, and Department of Defense funded investigator who performs clinical and translational research investigating the benefits of proton therapy as part of multi-modality therapy for thoracic malignancies. Dr. Simone has been named a Fellow of both ASTRO and ACRO, one of only a select handful of individuals who have been awarded this designation by the two largest radiation oncology societies in the United States.
James Loos
Chief Financial Officer
James Loos is a CPA with more than two decades of experience in healthcare finance, operations, and leadership. He joined the New York Proton Center from NYU Langone Health’s Perlmutter Cancer Center where he held various leadership roles and helped to build their oncology service line into a comprehensive network of cancer centers throughout the NY region. Mr. Loos is a graduate of the College of the Holy Cross and received a certificate of healthcare leadership from Cornell University’s Johnson Graduate School of Management.
Haibo Lin, PhD, DABR
Director of Medical Physics
Dr. Haibo Lin is a proton physicist specializing in machine and planning support, dosimetry and quality assurance who serves as the center’s Director of Medical Physics. He completed his medical physics training in 2011 at the University of Pennsylvania and served as the chief resident. Upon graduation from residency, he became an adjunct assistant professor, medical physicist and lead proton physicist at the Roberts Proton Therapy Center at Penn Medicine.
Meet Your Physician Team
Our renowned radiation oncologists work with you to plan the most appropriate and personalized care for your proton therapy treatment.
