Welcome to VirtaMed
VirtaMed develops advanced surgical simulators using hyper-realistic digital twins, AI, and customized hardware. We support medtech and pharma partners from accelerated product development to scalable, structured product training. Our solutions also enable hospitals, educators, and societies to train and assess practitioners through performance-based programs.
Purpose
Maximize the impact of simulation in healthcare by helping clinicians to become proficient sooner, accelerating utilization and adoption, and enabling better outcomes for patients and MedTech partners.
Mission
VirtaMed helps healthcare providers and MedTech partners to accelerate progress toward OR-readiness and measurable proficiency through high-fidelity simulation solutions, outcome-driven education, actionable insights, and trusted partnership.
Our milestones
Our values
Customer collaboration
We believe the best solutions are created together. By working closely with our customers and treating them as partners, we ensure that our medical training and
simulation technologies meet real-world needs and drive meaningful improvements in healthcare.
Purpose-driven innovation
Our work has a lasting impact. We are dedicated to improving medical education and medical practices. Every solution we develop serves a greater purpose: to make patient care safer, more efficient, and more effective worldwide.
Committed to excellence
We all push boundaries, continuously learn, and focus on customer impact. We take responsibility for our promises, consistently delivering on our commitments with the
highest standards of quality and integrity, whether towards our customers, colleagues, or partners. Excellence shines through high performance and fact-based decisions.
The executive team
Why are we here? How many patients will be better off because of VirtaMed?
At VirtaMed, we're not just selling products - we're helping shape the future of surgical training. It's incredibly rewarding to bring innovative simulation solutions to the global market, knowing that every partnership we build ultimately supports better patient outcomes.
Hartmut Warnken
CEO
We drive the innovation to create next-generation surgical training simulators, positioning VirtaMed as a leader in surgical training.
Christian Kriebel
COO/CTO
I'm here because we have the opportunity to meaningfully impact an industry with best-in-class technology and curriculum. This paves the way for evolutionary growth alongside customers seeking the outcomes VirtaMed can deliver. With a team of deeply committed high performers who have a relentless passion for personal and professional development, we're poised to make a lasting difference.
Bryan Zediker
General Manager & SVP- America's
We can lead an entire industry and indirectly impact the lives of millions of patients every year. Our teams have what it takes to accomplish wonders.
Scott Cassidy
SVP Global MedTech
Driving innovation in surgical simulation and medical education.
Ding Zhang
General Manager - China
Board of directors
Raimundo Sierra
Co-Founder & Board Member
Raimundo Sierra is the Co-Founder of VirtaMed, where he leads a multidisciplinary team redefining how surgical innovation happens - from training to product development to AI-enabled operating rooms.
With a background in engineering (PhD, ETH Zurich) and experience at McKinsey, Raimundo combines deep technical expertise with strategic clarity. Under his leadership, VirtaMed has evolved from a pioneering simulator company into a category-defining platform for digital twins in surgery - enabling in-silico R&D, intelligent training, and scalable surgical performance.
Raimundo is passionate about building systems that make healthcare smarter and safer. His focus on integration, co-creation, and performance at scale has positioned VirtaMed as a trusted partner to global medtech and pharma companies as well as leading hospitals and medical societies - helping shape the future of surgery through collaborative innovation.
Thomas Lott-Stroe
Chairman
Thomas Lott-Stroe is the Chairman of the VirtaMed Board of Directors, and he is a Partner at Armira, an investment company based in Munich, Germany. Lott-Stroe studied at the University of Mannheim and has extensive experience in supporting and developing companies across industries. He is based in the Munich metropolitan area and brings experience in corporate strategy, investments, and business leadership.
Philipp von Loeper
Board Member
Philipp von Loeper is on the VirtaMed Board of Directors, and he is the Managing Director of family-owned holding company ACEG Beteiligungsgesellschaft mbH. Born close to Cologne, Germany, von Loeper has an economics diploma from the Swiss University of Fribourg and extensive experience in managing companies across industries in Germany and Italy. He has been Member of the Supervisory Board at Eppendorf AG since 2011, and he became the Chairman of the Eppendorf board in 2016.
Philipp Schack
Board Member
Philipp Schack is an operative partner at Armira, as well as the president of the advisory boards at PolyCine GmbH and business group Graf von Oeynhausen-Sierstorpff. Schack has studied business in Germany, France, and Canada, and he started his professional career in Goldman Sachs and JP Morgan. Schack moved from finance to industry in the late 1990's as he took the helm in Karl Höll GmbH and later in TITAL GmbH.
Andy Weymann
Board Member
Andy is a seasoned orthopedic surgeon boasting an impressive 25 years of expertise in various global executive and board positions within the realms of medical devices and regenerative medicine. His academic prowess includes a Masters in Human Medicine from the University of Zurich, complemented by an MBA degree from the Simon School of Business at the University of Rochester. Additionally, Andy has honed his strategic acumen through participation in the board program at Harvard Business School.
Notably, Andy has a rich professional history, having served as the Chief Medical Officer of Smith+Nephew and as a distinguished Board Member of S+N Switzerland, among other prominent board roles. His leadership extends to the helm of AO Education, with a particular focus on spearheading AOSpine initiatives.
Where to find us
North America
Phone: +1 813 661 4341
VirtaMed Inc.
2300 Maitland Center Parkway Suite 106 Maitland, FL 32751
International
Phone: +41 44 500 96 90
VirtaMed AG
Rütistrasse 12, 8952 Schlieren, Zurich, Switzerland
China
Phone: +86 21 6368 8810
VirtaMed Co. Ltd
1212 Shui On Plaza, Huai Hai Middle Road 333, Shanghai, PRC
