Core Team
Martin Stauber
Co-founder, CEO
Martin has been working in the field of micro-computed tomography for more than 15 years. After his graduation, he was research fellow and lecturer at ETH Zürich. In 2008 he cofounded the ETH spin-off company b-cube AG, which he led as CEO until it was sold to Scanco Medical AG in 2012. With this successful merger, he took over a position as senior scientist at Scanco Medical AG.
Simon Spindler
Manager R&D
HW Development
Simon graduated in biomedical engineering at ETH Zürich in 2025. He developed a novel imaging modality for early detection of structural lung damage using X-ray dark-field imaging. After his graduation, he joined our team to take over the hardware development of the new breastCT.
Stefano van Gogh
Manager QA & RA
SW Development
Stefano graduated in biomedical engineering at ETH Zürich in 2023, where he was developing new CT reconstruction algorithms combining deep learning-based regularization with physics-based tomographic modelling. After his graduation, he accepted a machine learning researcher position at the Swiss AI Lab to further improve his AI skills. He joined GratXray in 2024.
Lucia Romano
Advisor
Lucia is a Senior Research Scientist at PSI in Villigen, Switzerland. She was professor of nanotechnology at Univ. Catania, Italy, before joining ETH Zürich as a scientist. As an internationally recognized expert in metal assisted chemical etching, she supports our R&D team with her microfabrication expertise. She is hired at PSI and serves as an advisor to GratXray since 2022.
Franziska Stemmler
President
Franziska brings over 25 years of experience in the MedTech and pharmaceutical sectors, having held diverse roles across operations, marketing, and business development. She is a certified systemic coach with substantial expertise within the startup ecosystem.
Throughout her career, Franziska has led organizational development initiatives, managed operations and resources to enhance process efficiencies, and advanced growth strategies. Her focus has consistently been on fostering team development, optimizing operational performance, and promoting cross-functional collaboration.
Simone Schrading
Director
Simone is Professor of Medical Sciences and Chief Radiologist at the Lucerne Cantonal Hospital (LUKS), where she heads the research division. She studied medicine at the University of Bonn, completing her doctorate in 2004 and her radiology training in 2010. From 2010 to 2019, she held senior positions at RWTH Aachen University Hospital, leading breast imaging, MRI, and pediatric radiology. In 2015, she received the Venia Legendi from RWTH Aachen. Since 2019, Simone has focused on advancing imaging in oncology, with particular emphasis on MRI and artificial intelligence. Her research aims to improve tumor diagnostics and integrate innovative technologies into clinical radiology.
Marco Stampanoni
Co-founder, Director
Marco is a physicist and professor at ETH Zürich, renowned for his work in X-ray imaging. He is the head of the TOMCAT2.0 beamlines at the Swiss Light Source of the Paul Scherrer Institute where he also leads the X-ray Tomography Group. Marco has pioneered innovations in synchrotron-based imaging, including advanced breast cancer diagnostics. His research bridges physics, biomedical engineering, and clinical applications.
Hendrik Tevaearai
Director
Hendrik studied medicine in Lausanne, where he trained as cardiovascular surgeon (FMH). He is a professor at the University of Bern, where he developed and led a large group of fundamental, technical, and clinical researchers. In 2008, he founded Swiss Cardio Technologies, a pharmaceutical start-up specializing in an innovative heart medication that recently received market authorization. Hendrik is now independent consultant for medical and medtech companies seeking specific expertise in all aspects of translational development, including R&D, IP, strategic and structural development, and regulatory affairs.