© 2024 All Rights Reserved.
Dr. Stefan Walzer works in market access, pricing, health economics and reimbursement since 2004. He is the CEO and founder of MArS Market Access & Pricing Strategy GmbH and mAxInsights BV and is teaching market access & negotiations since 2012. He is also the core inventor of Market Access 4.0:
• mAxInsights, the fast & easy AI-based reimbursement planning platform
• DO-BO, the new revolutionizing way of creating reimbursement dossiers with the first and only dossier writing AI-bot
• Q-BO, the first AI-based objection handling platform
• Wafle: Negotiate with confidence – train with Wafle’s virtual reality genius in an immersive environment and with an AI based counterpart
Additionally, he also teaches at the Master course of Consumer Health Care at the Charité in Berlin (Germany) and is a tutor in market access and health technology assessment at the State University of Baden-Wuerttemberg (Germany).
Mr. Lutz Vollmer is a health economic expert with a special focus on health geography and the German market access system. He was working in Research and Administration at the Universities of Tuebingen and Kiel (Germany) for over 12 years while he was also executing primary market research projects as a free lancer. Since 2014 he supports the MArS Team as a Health Economist with a focus on payer research, health geographic solutions and the analysis of German market access decisions. In the last years he was running various interview projects in the AMNOG environment, developed successful reimbursement pathways and executed systematic literature reviews in the field of pharmaceuticals for AMNOG submissions. Furthermore he has experience in the development of reimbursement submissions for medical devices and drugs.
Mr. Vollmer is a member of the working group for “E-Health” and “Innovation in hospitals” at the German Health Economic Association (DGGÖ).
Lutz Vollmer studied geography at the Universities of Tuebingen and Stuttgart (Germany) and at the Portland State University (Oregon, USA). He holds a Master of Science in Geography and an HTA-certificate from the Free University of Berlin (Germany). Mr. Vollmer is author of several articles including research presentations and papers in geography and health economics. Also at the University of Applied Sciences of Rottenburg / Neckar (Germany), Mr. Vollmer teaches fundamentals and deeper aspects of human geography in study programs of regional management.
Alisa Billstein is a health economist with a Bachelor degree from Ravensburg-Weingarten University of Applied Sciences.
Her background is as a physiotherapist with experience in a physiotherapeutic practice as well as in clinical environment.
She specialized in the fields of neurology, orthopaedics and sports physiotherapy. She has also worked as an honorary sports physiotherapist for a GFL1 American football team.
Sebastian Krenberger is a health economist and holds a Master in Public Health from the University of Applied Sciences Fulda (Germany). Additionally, Sebastian is a (intensive care) nurse with more than 7 years of experience in various departments and responsibilities at the clinic Fulda and the university hospital of Kiel.
Sebastian has a broad medical understanding in various disease areas and the process within hospitals. Furthermore he is a public health and market process expert for Germany.
Bernd is a health economist and has more than 28 years of experience in the German health system. He combines practical experience in dealing with and managing patients with experience in billing in the inpatient and outpatient sector. In addition, Bernd has been in charge of contract negotiations for various BKKs over the last few years, e.g. within the framework of pharmaceutical discount agreements.
Bernd is a registered nurse, has a degree in nursing management (Darmstadt University of Applied Sciences) and holds a Master of Health Administration from the University of Bielfeld.
Dr. Voss is an internist with a focus on oncology. After 10 years of clinical practice at the University Hospital in Hamburg Eppendorf, he started his career in the pharmaceutical industry, where he was responsible for global clinical development, regulatory affairs and marketing of numerous drugs. He has worked in large companies (AstraZeneca, Roche) as well as in small and medium sized companies and gained broad experience in various roles. Dr. Voss has led several clinical development programs and has been responsible for over 150 regulatory processes, including ‘orphan drugs’ and pediatric indications. Prior to becoming an independent consultant, Dr. Voss served as Managing Director at Caris Life Sciences International, where he was responsible for the development and sales of assays for personalized medicine.
Andreas Voss is the Clinical Science Advisor at MArS.
Mr. Feuerstein is a Health Economic Writer at MArS. Before joining MArS he gained much experience in a variety of industries including pharmaceuticals and the Fulda Health Authority. Here he was responsible for summarising complex data and to prepare it for decision-making.
Furthermore, Mr. Feuerstein wrote various scientific papers on relevant topics. He completed his Master’s degree in Public Health at the University of Applied Sciences Fulda. The focus of his studies was on occupational health management and environment, and health.
Previously, Mr. Feuerstein completed an apprenticeship as a media designer and worked independently in communications for 15 years. His strength lies in coordinating complex, interrelated processes and connecting theory and practice.
Ms. Walzer has more than 11 years of experience in practice management of outpatient medical practices and affiliated doctors in Germany in the field of dermatology, onco-dermatology, surgery and orthopedics.
Ilse-Barbara Oelze is a Market Access Manager at MArS. Previously she worked at Certara Evidence & Access in Germany where she gained substantial experience in pricing and market access consulting projects. She is also a specialist for pricing and cost evaluations for the German market.
Ilse-Barbara holds a Master in Health Economics and Pharmacoeconomics (MPHE) from Pompeu Fabra University, School of Management in Barcelona. She also holds a degree in business administration (equivalent to a MS in business administration) from the University of Applied Sciences, Neu-Ulm, with a focus in Hospital Management. Additionally, she has studied law at the University in Freiburg.
Prior Ilse- Barbara gained experience in health care politics and health care management as well as in developing DRGs and costing of ambulant treatments. She has held several positions within hospitals and SHIs (statutory health insurances) in Germany. Through her professional experiences and graduate education, she has gained strong analytical skills and a global strategic vision.
Following an apprenticeship in a social context, Jonas was employed in a hospital from 2009 to 2023. In addition to his work in the care context, he participated in various quality management and staff training working groups and developed staff-planning-concepts for the management. He also delivered lectures on a freelance basis at the School of Nursing and another school in the social sector. Furthermore, he facilitated experiential education groups for various patients at the hospital.
He successfully completed his degree in health economics in 2024 and has extensive experience in market access at MArS, including the preparation of benefit assessment dossiers. He worked as a project manager in the development of the AI-based platforms mAxInsights and Do-Bo.
Through his work at different projects in an international context, he also has knowledge of market access, coding and reimbursement in the EU and US.
