core team

Founder & CEO – Founder of Trustedoctor
Greg Jarzabek

He has worked and studied in many countries and is alumnus of Harvard, ESCP and Warsaw School of Economics.
Greg’s mother died of cancer, an event which drove him to put his full energy into founding the Trustedoctor network.

Chief Medical Officer
Philippe Schucht

Philippe Schucht is a passionate academic neurosurgeon in Switzerland. He worked in Africa, France, the US and Burma and founded non-profit organisations to boost education both in Switzerland and abroad. He's a Harvard alumnus and a co-founder of Trustedoctor.

Founder & Chief Development Officer
Lukasz Rzeczkowski

Łukasz Rzeczkowski is a business development specialist with background in finance and management consulting. An alumnus of the London School of Economics, Warwick and UWC Poland, he leads various non-for-profit organisations.
Serious medical problems in his family became his personal calling into the Trustedoctor project. Lukasz is a co-founder of Trustedoctor.

Chief Technology Officer
Dariusz Jastrzebski

Dariusz Jastrzebski is an engineer of Electronics and Telecommunication and graduated from the University of Technology in Poznan. He started to work in the IT industry after a bike accident which broke his backbone, at the same time putting an end to his football career. He is a Chief Technology Officer and also a founder of Trustedoctor.

Chief Marketing Officer
Jure Pozun

With over 12 years hands-on experience in advertising and mobile gaming industries, I’ve gained extensive know-how in branding and conceptualising communication for both traditional and digital media landscapes.
Having worked closely with leading global companies and startups, my creative and advisory services earned a proven track record of results, feedback and recognition. As an agile, responsive and results-oriented creative with a clear understanding of brands, businesses and trends, I have the ability to connect the dots and teams.

Chief Business Consultant
Niko Klansek

I am best described by the following words - entrepreneurship, sport, travel, art and fruit. As someone who has lived, studied and worked from NY, SF, Ljubljana (not to mention the rest of the world), I soon discovered I want to move things forward in whatever I do. With Information System and Film & Video Majors at Fordham University and a Harvard Business School PLD program, I turned theory to practice by establishing an all natural smoothies company with my mother. Smoothies sold in 600 stores throughout USA, continued with one of the first electric bicycle companies present in +60 countries and a consulting company that helped +50 successful crowdfunding projects secure +$5M in funding.

Legal crypto council
Peter Merc

Dr. Peter Merc is a cofounder of Lemur Legal, a legal consultancy and digital transformation advocacy company. Peter is also a lead coordinator of Blockchain Think Tank Slovenia, an NGO with the main goal to serve as a platform for blockchain knowledge in Slovenia and as a link between private and public sector. Before moving to startup and fintech world, Peter worked in banking sector. Peter still has ties with banking, as he was appointed to the position of a member of supervisory board of Slovenian second biggest bank (Abanka d.d.).

Blockchain specialist & developer
Viktor Brajak

A blockchain enthusiast, leading a team of developers at Medius - A Java Middleware and Application Integration
software engineering company specialized in development, design, implementation and integration of the most complex enterprise IT solutions. Viktor is specialized in development, design, implementation and integration of information systems.

Blockchain consultant
Denis Petrovcic

A forward thinking, open minded person with an entrepreneurial spirit and passion for the unknown. Denis believes the path to reach our goals will always exceed the goal itself, making our journey just as important as the destination we want to reach. A creative thinker, entrepreneur & business developer. Crypto & real estate investor.

Social Media & Content consultant
Nina Tanhofer

From journalist to Editor in Chief, brand manager, event manager and international windsurf school Founder & CEO is a colorful path where one earns valuable experience and confidence to initiate, manage and execute good ideas for good brands and causes.
Besides that, I like going places. Or just wander around - through cities, books, magazines and people's minds.

UX & Design
Mateusz Wojtas

Mateusz is is a graphic designer with huge passion and more than five years of work experience. He is an engineer who graduated IT from the University of Technology in Poznan. He is responsible for the whole visual part of the Trustedoctor brand and also a co-founder of Trustedoctor.

Radek Kukula

Radek Kukuła holds an MBA diploma from Cass Business School and a Master's degree from Warsaw School of Economics. In the past, he worked as a commodity trader in the City of London as well as a strategy manager in a private health clinic in Poland. He was brought up in a family of doctors. Radek is responsible for operations at Trustedoctor.

Patient relations consultant and content creator
Tamsin Oxford

Tamsin Oxford is a professional journalist, editor, writer and content strategist with more than 25 years of experience behind her. She was inspired by the Trustedoctor project because she recently started her battle with cancer, one she is planning to win.

PR consultant
Fiona Chow

Fiona Chow is a global communications consultant with 17 years experience in strategic communications, PR and marketing. She now runs her own consultancy and works primarily with startups in consumer technology, media and marketing and professional services aligning communications activity to commercial goals. At Trustedoctor she coordinates global PR activity and advises the board on communications activity.

PR Consultant
Liz Adams

Highly efficient PR professional with +14 years experience across the healthcare industry. A former Associate Director and Leadership Team member of an award winning communications consultancy, Liz's experience spans pharmaceutical, biotechnology, consumer health, nutrition and healthcare charities.

Tilen Kegl

A creative type a digital native. Grew up with and on social media, now helping brands to succeed in the digital media space. Consulted a total of 11 successful crowdfunding campaigns. I saw the first Bitcoin ATM being installed in a small coffee shop in Vancouver and have been hooked to blockchain ever since.

Front-end & Android developer
Krystian Drozdzynski

Krystian is a young, self-taught Android and front-end developer from Poznan. Krystian implements Trustedoctor’s front-end and manages mobile applications.

Senior Software Engineer
Jakub Jasiulewicz

He previously worked in the online payment sector and now helps build a distributed system with a strong emphasis on security and reliability. In addition, Jakub is responsible for maintaining the Trustedoctor server infrastructure.

UIUX Designer
Margarida Borges

A UIUX Designer passionate about minimalism and everything digital. Margarida believes there’s nothing worse than a bad interface, therefore, she keeps her focus on creating better user experiences. That includes studying, introspection and combining users’ needs to business goals in the most stylish way possible with a little help of more than 6 years of experience. And what keeps Margarida inspired are details in architecture and geometry.

UIUX Designer
Bojan Semen

An enthusiast for details and a sucker for contemporary art, he often strolls around big cities to find inspiration. He most recently served as Lead Designer for a company called Jukko and Global Gaming Initiative, a company that believes games are a great tool to change the world for the better. As a Visual Designer with 8+ years of experience, Bojan currently works as partner in a design agency focusing on brand consulting and creative direction for Sloveniaʼs most successful brands.


Professor of Neurosurgery

Head of research of neuro-oncology at Inselspital Bern, Switzerland. Founder of Horao Project - data crowdsourcing project for brain tumors.

Prof. Philippe Schucht CHF
Professor of Oncology in Northwestern Medicine

Associate Director for Comprehensive Cance Center of Northwestern University. Former President, European Organisation for Research and Treatment of Cancer (EORTC).

Prof. Roger Stupp US
Professor of Cancer Medicine and Consultant Oncologist.

Dean, University of Buckingham Medical School. Chief Medical Officer for Proton Partners International. Former Chief, World Health Organisation, Cancer Programme.

Prof. Karol Sikora UK
Professor of Oncology, Imperial College.

Chief Editor of Oncogene Journal. Founder of the Action Against Cancer charity in the UK.

Prof. Justin Stebbing UK
Fintech entrepreneur & futurist.

Global Director Fintech Strategy & Partner, Autonomous Research; Founder & COO of AdvisorEngine, Founder & CEO of NestEgg Wealth, Columbia University JD/MBA.

Lex Sokolin USA
President to Europa Donna Slovenia, Breast cancer organisation.

Member of Patient Advocacy Group of ESMO European society of medical oncolog.

Dr. Tanja Spanic SI

Senior lecturer of cryptography at University College London

Dr. Nicolas Courtois UK/PL

Digital Transformation, Fintech enthusiast, thought Leader, Islamic Banker, Intrapreneur, Futurist, Strategist. Served as a non-exec board member for the biggest private medical college in GCC and a hospital in Dubai

Mohammad Shaheed Khan Bahrain, UAE
Consultant Cardiologist

Royal Free London NHS, Deputy Director R&D, Heart Failure Lead Barnet, Clinical Research Officer, Design clinical trials

Dr. Ameet Bakhai UK