Joseph K. Jachinowski, President, Chief Executive Officer, Director
Mr. Jachinowski has served as a member of our board of directors and our Chief Executive Officer since 2009 and our President since 2012. Prior to joining us, he served as Executive Vice President of Elekta AB, a leading supplier of radiation therapy equipment, from 2005 to 2009, with overall responsibility for all of Elekta’s North American operations. Prior to Elekta, he cofounded IMPAC Medical Systems and served as its President and CEO from 1990 through its initial public offering and culminating in its sale to Elekta in 2005. Mr. Jachinowski began his career at Varian Medical Systems, Inc., where he was responsible for leading the team that developed their innovative linear accelerator products from 1983 to 1990. Mr. Jachinowski received a B.S. from Ohio University and an M.S. from Washington State University–Pullman.


Donald B. Melson, Vice President, Chief Financial Officer
Mr. Melson has served as our Chief Financial Officer since 2013. Mr. Melson joined us from Analogic Corporation, a leading manufacturer of healthcare and security imaging systems, where he was Vice President–Corporate Controller (Principal Accounting Officer) from 2006 to 2012. Prior to Analogic, Mr. Melson was Vice President and Corporate Controller at Millipore Corporation, a life sciences and biotech tools manufacturer, from 2000 to 2006. Prior to that, Mr. Melson held a number of senior finance roles both at Millipore Corporation and W.R. Grace & Company. Mr. Melson received an A.B. from Brown University and M.B.A. from Columbia University.


Patricia A. Davis, Esq, Vice President, General Counsel, Secretary 

Patty has practiced law for over twenty years, the majority of those years as in-house counsel for public medical device companies.  Prior to joining Mevion Medical Systems, Patty served as SVP, General Counsel and Secretary of Cynosure, Inc. following Cynosure’s acquisition of Palomar Medical Technologies, Inc. where she also served as SVP, General Counsel and Secretary.  Patty served as Senior Patent Counsel at Boston Scientific Corporation and as a Legal Associate at Fish & Richardson, P.C.  Patty received a BS in Electrical Engineering from Northeastern University and a Juris Doctorate from Suffolk University Law School.  She is a licensed patent attorney.


Stanley “Skip” Rosenthal, Ph.D., Vice President Clinical Systems
Skip joined Mevion Medical Systems from The Northeast Proton Therapy Center at Massachusetts General Hospital, where he was Senior Medical Physicist. He has worked there and at the Harvard Cyclotron Laboratory as a medical physicist in radiation oncology and proton therapy for sixteen years.


Mark Jones, Vice President of Engineering
Bringing multidiscipline engineering expertise, Mark joined Mevion in 2006 serving as Lead Mechanical Engineer of the magnet and RF accelerator systems and subsequently as Mechanical Engineering Director since 2007. With more than 27 years of experience, Mark has led the development of numerous successful medical equipment products. Mark's innovative designs have earned him 5 patents while developing MRI and CT imaging products at Analogic Corporation, cardiac imaging products at XRE Corporation, and most recently genetic research and molecular diagnostics products at Affymetrix. Mark holds a B.S. Mechanical Engineering degree from Norwich University as well as a M.S. Engineering Management degree from the Gordon Institute of Tufts University.


Bill Alvord, Ph.D., Vice President Operations
Bill joined Mevion Medical Systems in March 2009 from Siemens Healthcare Molecular Imaging, where he was Director of Cyclotron R&D and oversaw Sustaining Engineering, Research, Development and Applications training for the Eclipse/Explora product lines. Prior to that Bill worked at Varian Microwave Tube division in the Electron Gun Design group. He holds four patents in the field of isotope target and accelerator shielding. Bill received his B.A. in Physics from the University of California at Berkeley and his M.S. and Ph.D. in Nuclear Engineering from the University of Tennessee.


George L. Rugg, Vice President of Global Service
George has been working in the oncology field for over thirty years and has held various positions of increasing responsibility with the world's leading linear accelerator manufacturers. His experiences in this field ranges from Senior Accelerator Test Engineer and Department Manager to Senior Vice President and Business Unit Manager. Prior to joining Mevion, George was a Senior Vice President for Elekta. George received his B.S. in Business Administration from Menlo College.


Thomas Faris, Esq, Vice President of Regulatory Affairs and Quality Assurance and Administration
Thom, a well-seasoned executive in the disciplines of regulatory affairs, quality assurance, health information privacy and security, and operational management, joined Mevion Medical Systems from Elekta in 2010. Thom held multiple VP of Regulatory Affairs and Quality Assurance positions, most recently as Global Vice President of Quality Systems. Prior to Elekta, Thom headed the regulatory and quality functions of IMPAC Medical Systems, Inc. and Image Enhancement Systems, Inc. He has a BS degree in Justice Studies from Arizona State University, an MS in Quality Assurance from California State University Dominguez Hills, and a Doctorate of Jurisprudence from Golden Gate University School of Law.


Lionel G. Bouchet, Ph.D., Vice President of Marketing
Lionel joined Mevion Medical Systems from Varian Medical Systems, where he lead the development and application of the image guided and radiosurgery product lines. Prior to Varian, Lionel was an assistant professor in the Department of Neurological Surgery at the University of Florida Gainesville, developing the image guided and radiosurgery clinical research program for the University of Florida Brain Institute. Lionel received his Ph.D. in Medical Physics from the University of Florida and a Master's degree in Nuclear Engineering from Texas A&M University. He also holds an Engineering Degree from the Institut Polytechnique de Grenoble, France.