About ViewRay

Meet Our Team

At ViewRay, our vision is clear—we’re dedicated to giving clinicians new and better ways to treat cancer with radiation therapy. Meet our industry leaders committed to innovation excellence.

Scott Drake

President and Chief Executive Officer

Scott W. Drake has served as our President and Chief Executive Officer and as a member of our board of directors since July 2018. Mr. Drake has over 30 years of experience in the medical device field. From August 2011 to August 2017, he served as President and Chief Executive Officer, and as a member of the board of directors of The Spectranetics Corporation (NASDAQ: SPNC), a medical device company. From November 2009 to July 2011, he was a Senior Vice President of DaVita Corporation (NYSE: DVA), a provider of kidney care and dialysis. Mr. Drake has served on the board of directors of Paragon 28, Inc. (NYSE: FNA) a medical device manufacturer, since August 2021. Mr. Drake served as the Chairman of the Board of AtriCure, Inc. (NASDAQ: ATRC) from 2013 to April 2021, as well as a member of the board of directors of Zayo Group Holdings, Inc. (NYSE: ZAYO) from November 2018 to March 2020. He has served on the board of directors of Cordis, a privately held medical device manufacturer, since August 2021. He serves as the Chairperson of the AdvaMed Radiation Therapy Sector as well as a board member for the Medical Device Manufacturers Association (MDMA). Mr. Drake holds a B.S. in Business Administration from Miami University of Ohio.

Paul Ziegler

Chief Commercial Officer

Paul Ziegler is Chief Commercial Officer at ViewRay, where he is leading the charge to drive adoption of the MRIdian system. With more than 19 years of experience in the medical device space, Ziegler has proven success in commercializing paradigm-changing technologies. As a global, strategic leader, he brings multi-disciplinary experience managing all functional areas including marketing, product innovation, portfolio strategy and go-to-market execution; Ziegler has led complex businesses to deliver superior results across all product lifecycles. Prior to joining ViewRay, he served as Vice President of Sales for TransEnterix, leading commercialization efforts for the surgical robotics platform, Senhance. His experience also includes more than nine years at Intuitive Surgical and roles at CardioVations and Dianon/LabCorp. He learned leadership and discipline in his eight years in the U.S. Navy, holds a B.A. from Norwich University in Northfield, VT and a J.D. from William and Mary in Williamsburg, VA.

Amanda Sequira

Senior Vice President of Clinical, Quality and Regulatory

Amanda Sequira joined ViewRay in October of 2018 and brings 20 years of experience in the medical device space. She has been in various leadership roles across clinical, quality and regulatory with Philips Image Guided Therapy division, Spectrantics and AGA Medical (now part of Abbott). At Spectranetics, she led teams that completed multiple global randomized clinical studies. These were successful in driving regulatory approvals allowing market access for strategic business initiatives. One of these studies achieved a first of its kind indication for use with the FDA for the U.S market. She holds a Masters of Science in Regulatory from Northeastern University and a Bachelors of Science in Chemistry from the University of Minnesota.

James F. Dempsey, PhD

Chief Scientific Officer

Company founder and inventor of the ViewRay technology, Jim Dempsey guides the scientific and technical aspects of the MRIdian system’s development. Dempsey holds a PhD in nuclear chemistry from Washington University. He is a board-certified medical physicist and former associate professor of radiation oncology at the University of Florida.

Zach Stassen

Chief Financial Officer

Zach has more than 20 years of experience in the medical device and healthcare industries. He was most recently the CFO and COO at Bolder Surgical, an innovative, privately-held med-tech company. Prior to Bolder Surgical, Zach held various business development roles at Spectranetics, including Vice President of Finance, prior to its acquisition by Royal Philips. Earlier, he co-founded a device company that was acquired by Cardinal Health. Zach also has experience as a healthcare investment banker on Piper Jaffray’s team. He holds an MBA from the Kellogg School of Management at Northwestern and a bachelor’s degree from Drake University.

Rob Fuchs

Chief Human Resources Officer

Rob Fuchs joined ViewRay as Chief Human Resources Officer in October of 2018, bringing more than 25 years of human resource leadership in the medical device, high-tech, telecommunications, and service industries. He most recently served as the Senior Vice President, Global Human Resources Officer for Advanced Energy. Previously, Fuchs served as the Senior Vice President, Global Human Resources at Spectranetics Corporation in Colorado Springs, Colorado. In this role, he led all aspects of human resources. Prior to his role at Spectranetics, he worked for over 13 years at Echostar Communications and DISH Network, public sister companies in Englewood, Colorado. During his tenure there, he held a variety of human resources leadership roles. Mr. Fuchs has a bachelor of science in business and marketing from Ithaca College.

Robert McCormack

Senior Vice President, General Counsel and Corporate Secretary

Robert McCormack joined ViewRay as Senior Vice President, General Counsel and Corporate Secretary in August 2018. He has worked in the medical device and IT industries since 2008. Prior to that, Mr. McCormack worked in private practice in Denver, Colorado, where he focused on corporate, securities, mergers and acquisitions, and general business matters. Mr. McCormack holds a JD from the University of Denver, College of Law and a BS in Finance from Metropolitan State University of Denver.

Martin Fuss, MD

Chief Medical Officer

Dr. Martin Fuss is Chief Medical Officer and the Executive Director of the Clinical Cooperative Think Tank (C2T2) as well as a practicing radiation oncologist and partner in Radiation Oncology Specialists in Tualatin, OR. Dr. Fuss graduated from medical school at the University of Heidelberg, Germany where he also obtained his doctorate degree in human imaging assessing blood flow changes in the brain using functional MRI techniques (DCE-MRI). He underwent his specialty training in radiation oncology at the University of Heidelberg and at the German Cancer Research Center (dkfz). During his residency, he was invited as a research fellow at the Proton Radiation Therapy facility at Loma Linda University Medical Center in Loma Linda, CA. From 2000 to 2006 he was a faculty member at The University of Texas Health Science Center at San Antonio, San Antonio, TX (UTHSCSA). Prior to moving into private practice, he was Professor and Vice Chair of the Department of Radiation Medicine at Oregon Health & Science University (OHSU) from 2006-2013.

A New Kind of Medical Technology Company

ViewRay was founded on the belief that enhanced real-time visualization combined with on-line adapting and accurate dose recording will significantly improve the safety and efficacy of radiation therapy, leading to better outcomes for patients.

MRI-guided radiation therapy was conceived by company founder James F. Dempsey, PhD, while he was a member of the radiation oncology faculty at the University of Florida in 2004. And ViewRay holds the exclusive worldwide license for its combination of MRI and radiation therapy technologies.

In Brief

Founded: 2004
Headquarters: Cleveland, Ohio
Corporate status: Publicly held
Market: Radiation therapy and imaging technologies

Board of Directors

  • Daniel Moore, Chairman
  • Scott Drake
  • Karen N. Prange
  • Phil Spencer
  • Brian K. Roberts
  • Gail Wilensky, PhD
  • Caley Castelein, MD
  • B. Kristine Johnson
  • Susan Schnabel

Strategic Advisory Board

Jun Itami, MD, National Cancer Center, Tokyo, Japan
Michael Steinberg, MD, UCLA, Los Angeles, CA, USA
Minesh Mehta, MD, Miami Cancer Institute, Miami, FL, USA
John Kresl, MD, Phoenix CyberKnife, Phoenix, AZ, USA
Ben Slotman, MD, Amsterdam UMC, Amsterdam, Netherlands

Medical Advisory Board

Raymond Mak, MD, Brigham and Women’s Hospital and Dana-Farber Cancer Institute, Boston, MA, USA
Michael Chuong, MD, Miami Cancer Institute at Miami Baptist South Florida, Miami, FL, USA
Himanshu Nagar, MD, NewYork-Presbyterian Hospital and Weill Cornell Medicine, New York, NY, USA
Stefanie Corradini, MD, LMU Klinikum, Munich , Germany
Enis Özyar, MD, Acibadem Maslak Hospital, Istanbul, Turkey
James Good, MD, GenesisCare Oxford, England, UK

Contact Us

MRIdian employs MRI-based technology to provide real-time imaging that clearly defines the targeted tumor from the surrounding soft tissue and other critical organs during radiation treatment.

Contact us to learn more about how we are making the invisible visible every day across the world.

Contact Us

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