Executive Management Team
Chief Executive Officer
Mr. Heydler was President and CEO at Barcelona Design Inc. based in San Jose, USA. Before joining Barcelona, Mr. Heydler served as President and CEO for InterPro Business Solutions, Inc., USA. He was Vice President and Executive Officer at Documentum Inc., a leading software and solutions provider with specific focus on the pharmaceutical and life sciences industry.
He built and drove Documentum’s European operations and assumed worldwide responsibility for Marketing and Documentum’s Application Business subsequently. Prior to this engagement, he served as Vice President and General Manager Europe for Cadence Design Systems and held senior leadership positions at Siemens AG.
Mr. Heydler holds a Diplom-Ingenieur degree in Electric Engineering and Computer Science from the Technical University in Munich.
Founder and Chief Technology Officer
Gerd Binnig, PhD
Dr. Binnig and Dr. Rohrer were recognized for developing the powerful microscopy technique, which can form an image of individual atoms on a metal or semiconductor surface by scanning the tip of a needle over the surface at a height of only a few atomic diameters.
Born in Frankfurt, Germany, Dr. Binnig studied at the J.W. Goethe University in Frankfurt, where he received his bachelor's degree in 1973 and his doctorate degree in 1978. After earning his doctorate, he joined a physics research group at IBM's Zurich Research Laboratory prior to being assigned to IBM's Almaden Research Center in San Jose, Calif. from 1985 to 1986. He was also a visiting professor at Stanford University from 1987 to 1988.
Dr. Binnig developed the Cognition Network Technology®, which uniquely enables Definiens software to analyze large numbers of images automatically, just like the human eye and brain are capable of doing. He started Definiens with the goal to transform the imaging industry by enabling more data to be extracted for better decisions.
Chief Commercial Officer
Merrilyn Datta, PhD
Dr. Datta joined Definiens from Life Technologies, a 3.7 billion dollar company where she held a variety of roles in marketing leadership, strategy, and mergers/acquisitions. Her specialty is commercialization of technology and integrated cross-channel marketing. She has established and grown embryonic businesses, re-invented maturing businesses for growth, and integrated acquisitions.
In her role as Chief Commercial Officer, Dr. Datta is responsible for all aspects of global sales and marketing, including corporate brand and marketing communications.
Dr. Datta has a BS in Biology from Emory University, a PhD in Biochemistry from Harvard University and an MBA in Strategy from University of California.
Chief Operating Officer
Prior to joining Definiens, Mr. Neeleman was the COO Product Group Lithography Applications for ASML. He also was responsible for the global X-Ray Systems Business and the Components Business of Philips Healthcare for 8 years. During his tenure at ASML and Philips Healthcare, Mr. Neeleman transformed businesses towards profitable growth, focusing on new markets, new technologies, efficiency, and teamwork. Mr. Neeleman has also held management roles in Philips’ mobile display businesses, and prior to that in Mettler Toledo.
In his role as Chief Operating Officer, Mr. Neeleman is responsible for leadership of research, development and professional services activities.
Mr. Neeleman has an MSc degree in Micro Mechanical Engineering from the Technical University Delft and an MBA from INSEAD.
Chief Financial Officer
Markus Rinecker, MD
Prior to joining Definiens, Dr. Rinecker served as Managing Director at one of the leading surgical hospitals in Munich. While managing 350 employees with full P&L responsibility, he established a new department for open heart surgery and streamlined organizational processes to increase the organization’s profitabiligy. For the hospital chain Humaine Kliniken GmbH he evaluated potential acquisition targets and participated in multiple share deal transactions. He was also actively involved in the start-up venture ProHealth AG, which opened Europe’s first full clinical proton radiation center for cancer therapy, in March 2009.
Dr. Rinecker holds a Doctoral Degree in Medicine at the Ludwig-Maximilians-University in Munich as well as a Masters Degree in Business Administration of INSEAD, France and Singapore.
Chief Medical Officer
Ralf Huss, MD
Prior to joining Definiens, Dr. Huss served as Global Head of Histopathology and Tissue Biomarkers at Roche Diagnostics, where he was involved in identifying new tissue biomarkers to stratify cancer patients as part of a global Personalized Healthcare strategy. Dr. Huss also co-founded the biotech company APCETH. He has training and experience in immunology, transplantation biology and stem cell research, has published more than 100 papers, and has worked with the Nobel Laureates Rolf Zinkernagel and E. Donnell Thomas.
In his role as Chief Medical Officer, Dr. Huss plays a key role in expanding Definiens’ image and data analysis into Tissue Diagnostics and Clinical Digital Pathology.
Dr. Huss holds global academic appointments at the Ludwig-Maximilians-University, Munich and the Wake Forest Institute for Regenerative Medicine, USA. He is also a Professor of Systems Biology at the University College Dublin.
Executive Vice President, Predictive Tests
Thomas Nifong, MD
Prior to joining Definiens, Dr. Nifong was Senior Vice President of Clinical Operations for Metamark Genetics, where he successfully led efforts to translate quantitative multiplex immunofluorescence research protocols into robust, reproducible laboratory developed tests (LDTs) for clinical use. He spent 10 years as a faculty member at the Penn State Hershey Medical Center where he gained extensive experience in molecular pathology, clinical laboratory medicine, and laboratory validation and management.
Dr. Nifong holds a BS in Chemical Engineering from Purdue University and an MD from the University of Rochester. He completed his residency training in Clinical Pathology and is a Diplomat of the American Board of Pathology and a Fellow of the American Society for Clinical Pathology and the College of American Pathologists.
Scientific Advisory Board
Scientific Advisory Board
Manfred Dietel, MD
Dr. Manfred Dietel is Director, Institute of Pathology, Campus Charitè-Mitte. He is also a Member of the Board of Directors of the Association of German University Hospitals and a Member of the Board of Directors of the German Society of Pathology.
Jérôme Galon, PhD
Specialized in the fields of immunology and cancer, Dr. Jérôme Galon, Research Director at INSERM, heads the laboratory of Integrative Cancer Immunology, Paris, France. Further, Jérôme Galon is a co-founder of HalioDx, and consultant and chairman of its Scientific Advisory Board.
Ronald Herbst, PhD
Ronald Herbst is VP Oncology at MedImmune
Dirk Jäger, MD
Dr. Jäger is the Director Medical Oncology, National Center for Tumor Diseases and University Medical Center Heidelberg.
Holger Moch, MD
Dr. Holger Moch is the Director, Medical Division Pathology and Laboratory Medicine at University Hospital in Zurich, Switzerland. He is also a Full Professor of Pathology at the University of Zurich and Chairman, Institute for Pathology, University Hospital Zurich, Switzerland.