John Kowal
Head of the Americas, Siemens Healthineers
As head of the Americas, John is responsible for leading marketing, sales, service, and support functions in North America and Latin America, across the entire Siemens Healthineers portfolio, including medical imaging, laboratory diagnostics, therapy solutions, and services.
John has more than 25 years of commercial and general management experience in healthcare with a focus on medical devices, oncology-based medical software, and surgical sciences. Previously, he served as president of the Americas for Varian Medical Systems, a division of Siemens Healthineers focused on oncology.
Areas of expertise:
Value Partnerships
To schedule an interview please contact:
Julie Gibson
Head of U.S. Corporate Press
+1 (917) 929-5779
julie.gibson@siemens-healthineers.com
Arthur Kaindl
Head of Varian
In this role, Dr. Kaindl leads Varian's business operations, including execution of the organization’s fiscal goals and strategic initiatives. Dr. Kaindl is dedicated to leveraging the full potential of technology to empower physicians in the fight against cancer and enhance outcomes for patients. Dr. Kaindl joined Siemens AG in 1995 and, for nearly three decades, has held a variety of cross-functional and leadership roles with a focus on creating technology growth strategies that leverage hardware, software, and digital solutions.
Areas of expertise:
Radiation oncology
To schedule an interview please contact:
Julie Gibson
Head of U.S. Corporate Press
+1 (917) 929-5779
julie.gibson@siemens-healthineers.com
Deepak Khuntia, MD
Senior Vice President and Chief Medical Officer, Varian
Deepak “Dee” Khuntia, MD, FASTRO, joined Varian Medical Systems in 2013 and currently serves as Senior Vice President and Chief Medical Officer. In this role, he leads the Office of Medical Affairs, providing medical and clinical leadership across all Varian operations, including clinical research, medical evidence generation, medical science education, product development and support, regulatory and government affairs, and mergers and acquisitions. In parallel with his executive responsibilities, Dr. Khuntia maintains a part-time clinical practice in radiation oncology in the San Francisco Bay Area.
Areas of expertise:
Advanced radiation technologies, central nervous system tumors, head and neck cancer, lung cancer, improving global equity and access to cancer care.
To schedule an interview please contact:
Julie Gibson
Head of U.S. Corporate Press
+1 (917) 929-5779
julie.gibson@siemens-healthineers.com
Dorin Comaniciu, PhD
Senior Vice President for Artificial Intelligence and Digital Innovation
Dorin’s scientific contributions to machine intelligence and computational imaging have translated to a multitude of clinical products focused on improving the quality of care, specifically in the fields of diagnostic imaging, image-guided therapy, and precision medicine. An elected member of the National Academy of Engineering, National Academy of Medicine, and the Romanian Academy, Comaniciu is a Top Innovator of Siemens and a Fellow of the IEEE, ACM, and MICCAI Society. He has received the IEEE Longuet-Higgins Prize for fundamental contributions to computer vision, has more than 550 patents granted and 350 peer-reviewed papers published.
Areas of expertise: machine intelligence, computational imaging, advances in diagnostic imaging and technological innovations that save and enhance lives.
To schedule an interview please contact:
Julie Gibson
Head of U.S. Corporate Press
+1 (917) 929-5779
julie.gibson@siemens-healthineers.com
Peter Shen
Senior Advisor for Digitalization & AI at Siemens Healthineers
In his more than two decades in healthcare, Peter has specifically focused on introducing new and emerging technologies to the healthcare market, including artificial intelligence, imaging IT, 3D advanced visualization, data analytics and digital ecosystems. He is an industry leader in healthcare imaging IT, serving on national standardization committees, engaging with major health providers, and routinely speaking with leading technology partners.
Areas of expertise: How AI is being integrated into nearly every aspect of patient care, from exams to diagnosis to treatment, to help clinicians achieve a more accurate diagnosis faster and develop a personalized patient treatment plan. Also, emerging trends in AI adoption in healthcare and existing barriers to more widespread implementation of AI in radiology and laboratory diagnostics.
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Vibhas Deshpande
Vice President, Sustainability Innovation and Strategic Research, North America
Vibhas Deshpande leads development of innovations in sustainability to reduce the environmental impact of healthcare. He is also responsible for identifying strategic research areas for Siemens Healthineers in disease-focused diagnostics and therapeutic pathways. Among Vibhas’ achievements is conceptualizing and initiating the first carbon-neutral radiology imaging service between Siemens Healthineers and the University of California San Francisco.
Areas of expertise: Reducing carbon emissions in the lifecycle of medical imaging equipment and curbing greenhouse gas emission and energy consumption in healthcare operations.
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Felicia Kurz
SVP, Head of Advanced Therapies North America | Executive Sponsor, Health Equity and Outreach
Felicia’s responsibilities include oversight of the Interventional Therapies business (Cardiology, Interventional Radiology, and Neuroradiology) as well as Surgical Therapies, encompassing all forms of surgical image guidance. Felicia is also the executive sponsor for the company’s health equity and outreach activities in the U.S.
Areas of expertise: Felicia has a background in health economics, international health policy and analysis. She specializes in clinical care pathways (e.g., cardiovascular and neurovascular care) and transforming strategy into action to support health systems in achieving their clinical, operational, and financial goals. She also drives collaborative efforts of Siemens Healthineers and U.S. customers to expand patient access to care, particularly in underserved communities (e.g., free annual digital mammogram screenings).
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Katie Grant, PhD
Vice President, Magnetic Resonance, North America
Katie Grant, PhD, leads the North American Magnetic Resonance (MR) business at Siemens Healthineers. She began her career at Siemens Healthineers in 2009 as a staff scientist and collaborations manager and spent a decade in various research and development and customer collaboration roles, most recently as vice president of MR R&D collaborations. Prior to her current role, she served as senior director of product marketing and sales operations for the North American MR business.
The role of MR and positron emission tomography (PET)/MR in disease detection, treatment, and monitoring for patients with Alzheimer’s disease and other neurological diseases; the rise of low-helium/zero-refill MR scanner platforms that address helium shortages, align with sustainability/green radiology efforts, and are easier (and more economical) to install than their forerunners; the incorporation of automation and artificial intelligence into MR scanners to meet healthcare’s increasing demands for improved workflow and efficiency in light of ongoing staffing shortages; and industrial and academic partnerships/collaborations in MR.
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Matthew Dedman
Vice President, Computed Tomography, North America
Matthew Dedman leads the North American Computed Tomography business at Siemens Healthineers. He began his career at Siemens Healthineers in 2008 and has held positions in finance, product management, and strategic account management, most recently serving as the North American marketing director for CT.
Areas of expertise:
The rise and clinical applications (including cardiovascular care, abdominal imaging, and pediatrics) of photon counting CT, which Siemens Healthineers introduced in 2021 with the world’s first photon counting CT scanner for clinical use; CT’s role in expanding patient access to advanced cardiovascular imaging; CT’s use in mobile stroke units to decrease time to treatment; portable head CT to reduce patient transport risks and the associated workflow challenges; and mobile lung CT screening, particularly for veterans and rural populations
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Murat Gungor
Senior Vice President, Head of Diagnostic Imaging, North America
Murat Gungor leads the North American Diagnostic Imaging division at Siemens Healthineers. He began his career with the company in 1998 in Istanbul, Turkey, as a Magnetic Resonance (MR) and Computed Tomography (CT) Product Sales Executive, later advancing to Vice President, Head of the CT and Radiation Oncology businesses for North America. Prior to his current role, Gungor served as Vice President, Head of the North American Magnetic Resonance business.
Utilization trends in the U.S. diagnostic imaging market (CT, MR, Molecular Imaging, X-ray, and Women’s Health), including the rise of personalized medicine and imaging’s increasing role in neurology, cardiology, and oncology; the expansion of outpatient imaging centers and ambulatory care/mobile health in the U.S.; scientific collaborations as well as health system and industry partnerships; and the automation of medical imaging systems and its impact on the radiology workforce shortage.
To schedule an interview please contact:
Jeffrey T. Bell
Director of Media Relations
+1 (484) 868-8346
Jeffrey.t.bell@siemens-healthineers.com
Sharon Bracken
Head of Diagnostics, Siemens Healthineers
Sharon Bracken has served as Head of Diagnostics since May 2022. She currently oversees Siemens Healthineers’ in-vitro diagnostics businesses, which provide industry-leading technology, assays, and software for central lab and point of care testing environments. The test menu Siemens Healthineers provides supports patient testing needs from conception through all stages of life. Sharon has 20 years of in-vitro diagnostics experience and more than 30 years of global business leadership experience.
Areas of expertise: Trends in IVD testing, macro-view diagnostics testing topics (innovation, longevity, exploration of AI in testing), point-of-care testing trends, laboratory workforce shortage, Diagnostics business strategy, women in STEAM.
To schedule an interview please contact:
Kimberly Nissen
Senior Public Relations Manager
+1 (610) 448-6355
Kimberly.nissen@siemens-healthineers.com
Michele Zwickl
Head of Laboratory Solutions, Siemens Healthineers North America
Michele Zwickl, head of Laboratory Solutions for Siemens Healthineers North America, is a seasoned leader with more than three decades of experience in the diagnostics arena. She started her career with Siemens Healthineers’ legacy Ames Company in Mishawaka, Indiana, eventually taking multiple roles of increasing responsibility, from technical to various sales and marketing, as well as significant leadership positions. Michele worked for Siemens Healthcare Diagnostics until 2008, when she became vice president of sales and marketing at AmeriPath, a subsidiary of Quest Diagnostics. Following a strategic realignment, Michele undertook the role of vice president, commercial specialty, which integrated all specialty sales teams into one cohesive Quest commercial team. Following her time at Quest, she joined Thermo Fisher Scientific ImmunoDiagnostics Division and prior to joining Siemens Healthineers in her current role, Michele led Thermo Fisher’s Global Corporate Accounts and Retail Consumer Health Organization.
Areas of expertise:
Trends in IVD testing, patient testing data, test ordering data, macro-view diagnostics testing topics, laboratory workforce shortage, challenges in the clinical laboratory, women in STEAM/STEM.
To schedule an interview please contact:
Kimberly Nissen
Senior Public Relations Manager
+1 (610) 448-6355
Kimberly.nissen@siemens-healthineers.com
Bob Stowers
President and Head of Point-of-Care Diagnostics
Bob Stowers is President and Head of the Point‑of‑Care business at Siemens Healthineers, leading the company’s global near‑patient diagnostics portfolio supporting decentralized care worldwide. He brings more than 20 years of medical technology and diagnostics experience, with deep expertise in global business leadership, commercial execution, and portfolio strategy. Previously, Bob led the Specialty Lab Solutions Business Line at Siemens Healthineers and held senior leadership roles at Ortho Clinical Diagnostics.
The future of diagnostics and medical technology, trends across point‑of‑care and central laboratory testing, innovation in in‑vitro diagnostics and digital solutions, IVD business and portfolio strategy, and translating technology into clinical and commercial impact.
To schedule an interview please contact:
Bailey Allen
Media Relations Manager
+1 (610) 545-9327
bailey.allen@siemens-healthineers.com
Sourabh Pagaria
President, Ultrasound
Sourabh Pagaria is President of Ultrasound at Siemens Healthineers, where he is leading the evolution of ultrasound from a diagnostic tool into an AI-powered platform for procedural care.
With over two decades of experience across medical technology, digital health, and large-scale business transformation, Sourabh is focused on repositioning ultrasound as a critical enabler of next-generation interventions—spanning real-time guidance, clinical decision support, and workflow automation. His work is centered on building an integrated ecosystem that connects imaging, therapy, and data, enabling faster, safer, and more repeatable procedures while reducing the cognitive burden on clinicians.
Previously, he served as Executive Vice President and Head of Southern Europe, where he delivered sustained growth through innovation, strategic partnerships and operating model transformation and as Global General Manager for Enterprise Services, where he built strategic partnerships advancing value-based care and digital transformation. Procedural Ultrasound & Image-Guided Interventions, AI-Powered Clinical Decision Support & Automation, Cardiovascular & Interventional Imaging (ICE, Structural Heart, EP), Platform Strategy & Ecosystem Orchestration in Healthcare, Software-Defined MedTech & Recurring Business Models, Strategic Partnerships & Multi-Party Value Creation, Health System Productivity & Value-Based Care Transformation
To schedule an interview please contact:
Bailey Allen
Media Relations Manager
+1 (610) 545-9327
bailey.allen@siemens-healthineers.com
Jocelyne Mekontso
Head of Diagnostic Ultrasound
Jocelyne Mekontso focuses on advancing imaging innovation that improves access to quality care worldwide, with 20+ years of global experience spanning engineering, product and program leadership, marketing, and commercialization. Jocelyne started her career as an ultrasound software engineer and progressed into senior leadership roles across four continents. She serves on the University of Washington Mechanical Engineering External Advisory Board, is a member of the Women Business Leaders of the US Healthcare Industry Foundation (WBL) and holds graduate training in healthcare information technologies.
The future of diagnostic ultrasound, ultrasound business and portfolio strategy
To schedule an interview please contact:
Bailey Allen
Media Relations Manager
+1 (610) 545-9327
bailey.allen@siemens-healthineers.com
