Our Team Members

Johannes Holfeld, MD
Co-Founder, CEO, CMO
- Cardiac surgeon
- Principal investigator clinical trials
- Numerous publications and scientific awards

Martina Mitrovic
COO, Clin.Eval.-Manager, Head of HR
- MSc in Public Health
- Certified Monitor
- More than 15 years of experience in clinical trials

Michael Kring
CFO
- Finance and Controlling
- Investor Relations
- Many years of experience in the financial management of international companies

Przemyslaw Malinowski
CPO, QMR
- MSc of Engineering
- Certified QMR
- Several decades of experience in the shock wave sector
- Years of experience in development and QM

David Wagner
Director of Sales & Marketing
- Doctor of Economics and Business Administration
- 18 years of experience in the medical device industry in various sales and marketing positions

Claudia Nowak
RA Manager, PRRC, R&D Engineer
- PhD in Biomedical Engineering
- More than 15 years of experience in medical device development and regulatory affairs
- Experienced medical device consultant

Nadine Eberharter
R&D Engineer, QM
- Master student of medical technologies

Christopher Sanner
R&D Engineer, QM
- MSc in medical technologies

Alexander Plattner
R&D Engineer, QM
- MSc in medical technologies

Philipp Steiner
Medical Affairs, QM
- Medical student

Michael Grimm, MD
Co-Founder
- Director of Cardiac Surgery at the Medical University of Innsbruck

Christian Dorfmüller
Co-Founder
- Graduate physicist
- CEO of STS Systemtechnik Electronic GmbH
- Serial Entrepeneur
Partners






Subsidiary
Avenns Medical is 90% owner of STS Systemtechnik Electronic GmbH since fall 2022 and has thus secured in-house production for the long term.
Advisory board

John P. Cooke, MD, PhD
- Joseph C. “Rusty” Walter and Carole Walter Looke Presidential Distinguished Chair in Cardiovascular Disease Research
- Department of Cardiovascular Sciences Chair
- Academic Institute Full Member
- Research Institute Director
- Center for Cardiovascular Regeneration Medical Director
- Center for RNA Therapeutics Houston Methodist

Paul Yock, MD
- Paul Yock is the Martha Meier Weiland Professor of Medicine, Emeritus and founding co-chair of Stanford’s Department of Bioengineering.
- Founding Director of the Stanford Byers Center for Biodesign.
- Is known for his work in inventing, developing, and testing new devices, including the Rapid Exchange ™ stenting and balloon angioplasty system, which is now the primary system in use worldwide.
- He also invented ultrasound imaging and founded Cardiovascular Imaging Systems (CVIS).

MMag. Dr. Oliver Ginthör
- Oliver Ginthör studied business administration and law in Vienna, Angers (France) and China.
- Tax consultant
- Member of the board of numerous private foundations
- Managing director and supervisory board member in various companies
- Lecturer and author of numerous publications
Team

Johannes Holfeld, MD
Co-Founder, CEO, CMO
- Cardiac surgeon
- Principal investigator clinical trials
- Numerous publications and scientific awards

Christian Dorfmüller
Co-Founder, CTO,
- Graduate physicist
- CEO of STS Systemtechnik Electronic GmbH
- Serial Entrepeneur

Martina Mitrovic
COO
- Experience in technical verification, clinical evaluation and patent matters
- Monitor for clinical studies on countless projects
- Previous technical experience at production and control

Gregor Holfeld
CFO
- Business Development and Communications
- Fundraising
- extensive experience in human resources and general management

Przemyslaw Malinowski
QMB
- Certified QMB
- Years of experience in development and QM
- Since several decades in the shock wave sector

Christopher Sanner
Project staff
- Master student of medical technology

Alexander Plattner
Project staff
- Master student of medical technology

Julia Übelhör
Project staff
- Project staff USA

Nadine Eberharter
Project staff
- Student employee

Philipp Steiner
Project staff
- Student employee

Reiner Schultheiss
Senior Advisor
- Serial Entrepeneur
- years of experience in quality management
- Cooperation and consulting of medical device companies all over the world

Univ.-Prof. Dr. Michael Grimm
Co-Founder, Scientific Advisor
- Leiter Universitätsklinik für Herzchirurgie
- Medizinische Universität Innsbruck
Advisory board

John P. Cooke, MD, PhD
- Joseph C. “Rusty” Walter and Carole Walter Looke Presidential Distinguished Chair in Cardiovascular Disease Research
- Department of Cardiovascular Sciences Chair
- Academic Institute Full Member
- Research Institute Director
- Center for Cardiovascular Regeneration Medical Director
- Center for RNA Therapeutics Houston Methodist

Paul Yock, MD
- Paul Yock is the Martha Meier Weiland Professor of Medicine, Emeritus and founding co-chair of Stanford’s Department of Bioengineering.
- Founding Director of the Stanford Byers Center for Biodesign.
- Is known for his work in inventing, developing, and testing new devices, including the Rapid Exchange ™ stenting and balloon angioplasty system, which is now the primary system in use worldwide.
- He also invented ultrasound imaging and founded Cardiovascular Imaging Systems (CVIS).

MMag. Dr. Oliver Ginthör
- Oliver Ginthör studied business administration and law in Vienna, Angers (France) and China.
- Tax consultant
- Member of the board of numerous private foundations
- Managing director and supervisory board member in various companies
- Lecturer and author of numerous publications