About Us - Meet the founders and clinicians

Health is much more than the absence of sickness. It is having the energy and capacity to live fully today, while protecting your health for tomorrow. Yet too often, health holds us back. Daily life can mean managing ongoing conditions, unexplained symptoms, energy that falls short of what life demands, or worry about the future.

Our generation wants a new approach. One that takes what’s holding you back seriously, helps you feel and function at your best and protects your future. Where you don’t have to connect the dots yourself between appointments, trackers, tests, scans and online advice.

Calibre exists to end the health guesswork. Imagine having your own dedicated doctor who knows your full story and stays with you over time. Powered by Causal AI, they combine world-class reasoning with personal care to help you understand what’s driving your health and act on the few things that matter most, both now and for your future. We call our approach Causal Health.

This is the depth of care long associated with elite athletes and the ultra-wealthy. Our mission is to make that level of personalised, world-class care accessible to everyone so you can cut through the noise, focus on what matters and feel confident that you have someone you trust taking care of your health with you.

We envision a world where everyone has the health to realise their potential, with energy for today and confidence for tomorrow.

The team

Alex Weber

Chief Executive Officer

As a former competitive swimmer and youth national champion in Austria, Alex developed an early passion for health, discipline, and performance. After graduating in the top 1% of his class at Vienna University of Economics and Business, he joined N26 as one of its earliest employees, eventually becoming Chief Growth Officer and leading expansion across 24 markets. He later worked with Sequoia-backed startups and served as Chief of Staff at Gousto.

Driven by his own health journey, Alex founded Calibre to help people take control of their health and end the guesswork for good.

Ben Levy

Chief Technology Officer

A builder at heart, Ben has spent over a decade creating technology that brings consumer health solutions to life. With a background in software engineering, he has helped build companies including Elvie and Manual (now Voy), leading the development of regulated products used by hundreds of thousands of people globally.

Driven by a belief in proactive healthcare, Ben founded Calibre to harness advances in AI and build systems that help people take control of their long-term health.

Dr Reinhold Innerhofer

Chief Medical Officer

Clinician and sports scientist whose work spans elite sport, laboratory diagnostics, and preventive medicine. After coaching world champions at the Olympic Centre Salzburg and training in medicine at the Medical University of Vienna, he specialised in cardiovascular health, lipid metabolism, and systems-based medicine.

Driven by a belief in prevention over repair, Reinhold developed the methodology behind Calibre, combining diagnostics, data, and causal science to make personalised, proactive health accessible to everyone.

Empowering a billion people to improve their health with world-class care

The team

Alex Weber

Ben Levy

Dr Reinhold Innerhofer

End the health guesswork

End the health guesswork

End the health guesswork