Leadership

Meet Our Team

At ViewRay, our vision is clear – we’re dedicated to conquering
cancer by re-envisioning radiation therapy. Meet ViewRay’s leadership team committed
to innovation excellence.

Paul Ziegler, JD

President and Chief Executive Officer

Paul Ziegler is President and Chief Executive Officer at ViewRay. With more than 19 years of experience in the medical device space, Ziegler has proven successful 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.

James F. Dempsey, PhD

Founder and 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.

Martin Fuss, MD, PhD

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.

Steven Annen

Senior Vice President
Global Marketing

Steven Annen joined ViewRay in 2019 and brings more than 25 years of experience in marketing, product, and business development across the medical device and life sciences space. Before joining ViewRay, Steven was the Vice President of Product Management and Strategy of Invuity, Inc. Prior to Invuity Steven held various leadership roles in marketing and strategy at Grabit, Intuitive Surgical, Veeco Instruments, and Omron. Steven holds a Master’s in Mechanical Engineering from the University of Wisconsin-Madison and a Bachelor’s in Mechanical Engineering from Rutgers University.

Drew Hill

Senior Vice President
Operations and Development

Drew Hill joined ViewRay in 2018 and brings more than 15 years of experience in Operations across the medical device, pharmaceutical, and consumer products space. Prior to joining ViewRay, Drew was the Director of Operations of the Colorado Springs location of Philips Image Guided Therapy, formerly Spectranetics, and prior to Spectranetics Drew held various roles at GSK Vaccines, formerly Novartis Vaccines. Drew holds an MBA and a SM in Chemical Engineering from the Massachusetts Institute of Technology and a BS in Chemical Engineering from the University of Florida.

Adam Podbelski

Senior Vice President
Commercial Operations

Adam Podbelski is Senior Vice President of Comerical Operations at ViewRay, where he and the Global Services leadership team are focused on radically delighting MRIdian customers. With over 20 years of medical device experience that spans product development, program management, commercial execution, and business development, Adam brings a vast background that guides how ViewRay meets its expanding customer base’s needs. Prior to joining ViewRay, Adam held various leadership roles at Philips, Spectranetics, and Medtronic.

Sanket Shah, JD

Senior Vice President
General Counsel

Sanket Shah is currently Senior Vice President, General Counsel. Mr. Shah joined ViewRay as Associate General Counsel in September 2019. He has worked in the medical device, finance and software industries since 2010. Mr. Shah holds a JD from the University of Illinois Chicago School of Law and a BS in Business from the Ohio State University.

Julianne Mast

Vice President
Human Resources

Julianne Mast is currently Vice President, Human Resources. Ms. Mast joined ViewRay as Director of Total Rewards in December 2018. She has worked in the medical device and finance industries since 2007. Prior to joining ViewRay, she held various Human Resources leadership positions at Philips and Spectranetics.

Paul Strong, PhD

Vice President
Clinical, Quality, Regulatory

Dr. Paul Strong is Vice President, Clinical, Quality, and Regulatory. Paul joined ViewRay in August 2019.

Board of Directors

Daniel Moore
Chairman

Daniel Moore has served as a member of our board of directors and our Chair since February 2018. Mr. Moore has served as Chairman of the Board for medical device company LivaNova, PLC (NASDAQ: LIVN) since September 2015. He served as a member of the board of directors for GI Dynamics, Inc. (ASX: GID), a medical device company from 2014 to 2020. From 2012 to 2019, Mr. Moore served as a member of the board of directors of medical device company, BrainScope. He served as a member of the board of directors of TriVascular (NASDAQ: TRIV), a medical device company, from 2010 to 2016. From 2007 to 2015, Mr. Moore served as Chief Executive Officer as well as a member of the board of directors of Cyberonics, Inc. (NASDAQ: CYBX), a medical device company. From 1989 to 2007, Mr. Moore held various positions in sales, marketing, and senior management for Boston Scientific Corporation (NYSE: BSX). From 2009 to 2016, Mr. Moore was a member of the board of directors of the Medical Device Manufacturers Association (MDMA), serving as Chair from 2012 to 2014. He was a member of the board of directors of the Medical Device Innovation Consortium (MDIC) from 2012 to 2014. Mr. Moore has served on the board of the Epilepsy Foundation of America since 2014. He holds a B.A. from Harvard University, and an M.B.A. from Boston University.

Caley Castelein, MD

Caley Castelein, M.D. has served as a member of our board of directors since January 2008. Since March 2006, he has served as a Managing Director and founder of Kearny Venture Partners, L.P., a healthcare venture capital fund. Additionally, he founded KVP Capital, L.P. in 2013 and manages the fund which invests in small and mid-cap healthcare companies. Since February 2017, Dr. Castelein has served as a member of the board of directors of Aerpio Therapeutics, Inc. (NASDAQ: ARPO), a biopharmaceutical company, which merged with Aadi Bioscience, Inc. (NASDAQ: AADI) in August 2021 where he now serves as Chair. He served as a member of the board of directors for Boreal Genomics, Inc., a diagnostics company, from October 2010 until its successful sale in September 2021. He has served as a director at NewBridge Pharmaceuticals FZ, LLC, a specialty therapeutics company, since March 2015. Dr. Castelein served as a member of the board of directors for Waterstone Pharmaceuticals, Inc., a pharmaceutical company from March 2015 to March 2018; AliveCor, Inc., a medical device company from April 2015 to March 2020; Wellpartner, Inc., a pharmaceutical distribution solutions company, from March 2015 to November 2017; and Neos Therapeutics, Inc. (NASDAQ: NEOS), a pharmaceutical company from March 2015 to July 2015. He holds an A.B. from Harvard College and an M.D. from the University of California, San Francisco. We believe Dr. Castelein is qualified to serve on our board of directors based on his extensive investment experience in the healthcare industry

Scott Drake

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 served on the board of directors of Paragon 28, Inc. (NYSE: FNA) a medical device manufacturer, from August 2021 to August 2022. 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.

B. Kristine Johnson

B. Kristine Johnson has served as a member of our board of directors since April 2020. Ms. Johnson is currently President and General Partner of Affinity Capital Management, a venture capital firm, since 2000. She has served as member of the board of directors of AtriCure, Inc. (NASDAQ: ATRC), a medical device company, since March 2017, and as Chairperson of the board since April 2021. Ms. Johnson has served as a member of the board of directors of ClearPoint Neuro (NASDAQ: CLPT), a medical device company, since August 2019. She served as a member of the board of directors of Piper Sandler, an investment banking firm, from 2003 to 2019. Ms. Johnson served as a member of the board of directors of The Spectranetics Corporation (NASDAQ: SPNC), a medical device company, from 2012 to 2017. She held various executive leadership positions at Medtronic (NYSE: MDT) from 1982 to 1999. Ms. Johnson serves as a member of the board of directors of the University of Minnesota Foundation Investment Advisors. She holds a B.A. from St. Olaf College.

Karen N. Prange

Karen N. Prange has served as a member of the Board since June 2021. She has served as a member of the board of directors of Cantel Medical (NYSE: CMD), a medical equipment company, since October 2019 until its sale to Steris Corp in June 2021. Ms. Prange has served as a member of the board of directors of Atricure (NASDAQ: ATRC), a medical device company, since December 2019. She has served as a member of the board of directors of Nevro (NASDAQ: NVRO), a medical device company, since December 2019. Ms. Prange has served as a member of the board of directors of WS Audiology, a hearing aid manufacturer, since March 2020. Ms. Prange has served on the board of Embecta (NASDAQ: EMBC since April 2022. She has served as Strategic Advisor to Nuvo Group, LLC, a medical device company, since September of 2019 and Industrial Advisor to EQT Group, a global investment organization, since March 2020. From May 2016 to April 2018, Ms. Prange was Executive Vice President and Chief Executive Officer for the Global Animal Health, Medical and Dental Surgical Group at Henry Schein as well as a member of the Executive Committee. She served as Senior Vice President of Boston Scientific and President of its Urology and Pelvic Health business from 2012 to 2016. From 1995 to 2012, Ms. Prange held various roles of increasing leadership at Johnson & Johnson Company (NYSE: JNJ), most recently as General Manager of the Micrus Endovascular and Codman Neurovascular businesses. She holds a B.S. in Business Administration from the University of Florida. We believe Ms. Prange is qualified to serve on the Board based on her other public medical device board service and her extensive experience in commercial, operational, and strategic leadership roles in healthcare companies.

Brian K. Roberts

Brian K. Roberts has served as a member of our board of directors since December 2015. Since September 2020, Mr. Roberts has served as President and Chief Executive Officer of Tarveda Therapeutics, Inc., a biopharmaceutical company, where he also served as Chief Financial Officer from January 2018 to September 2020. From July 2016 to April 2020, he served as a member of the board of directors for Valeritas Holdings, Inc. (NASDAQ: VLRX), a medical technology company. Mr. Roberts served as Chief Operating and Financial Officer at Avedro, Inc., a pharmaceutical and medical device company, from January 2015 to October 2016. He served as Chief Financial Officer at Insulet Corporation (NASDAQ: PODD), also a medical device company, from 2009 to 2014. Mr. Roberts served as Chief Financial Officer at Jingle Networks, Inc., an advertising and technology solutions company, from September 2007 to December 2008. From 2001 to 2007, he held various leadership roles, including serving as Chief Financial Officer of Digitas, Inc. (NASDAQ: DTAS), (a/k/a DigitasLBi, Inc.), a marketing and technology agency. Mr. Roberts served as Vice President of Finance at Idiom Technologies, Inc., a provider of globalization management, from 2000 to 2001. From 1997 to 1999, he served as U.S. Controller of The Monitor Group, a consulting firm. Mr. Roberts served as an Auditor with Ernst & Young LLP from 1993 to 1997. He holds a B.S. from Boston College.

Paul Ziegler, JD

President and Chief Executive Officer

Medical Advisory Board

Dr. Lauren Henke

University Hospitals
Ohio, US

Dr. Rupesh Kotecha

Miami Cancer Institute
Miami, US

Dr. Jessica Frakes

Moffitt Cancer Center
Tampa Bay, US

Dr. James Good

GenesisCare Oxford
England, UK

Dr. Stefanie Corradini

LMU Klinikum
Munich, Germany

Dr. Enis Özyar

Acibadem Maslak Hospital
Istanbul, Turkey

Leadership

Meet Our Team

Paul Ziegler, JD

James F. Dempsey, PhD

Martin Fuss, MD, PhD

Steven Annen

Drew Hill

Adam Podbelski

Sanket Shah, JD

Julianne Mast

Paul Strong, PhD

Board of Directors

Daniel MooreChairman

Caley Castelein, MD

Scott Drake

B. Kristine Johnson

Karen N. Prange

Brian K. Roberts

Paul Ziegler, JD

Medical Advisory Board

Dr. Lauren Henke

Dr. Rupesh Kotecha

Dr. Jessica Frakes

Dr. James Good

Dr. Stefanie Corradini

Dr. Enis Özyar

Daniel Moore
Chairman