Our Team

David Siegel

Web pioneer, author, and serial entrepreneur. He is the CEO of 20|30 and led the team to a successful ICO of the Pillar project in July, 2017, raising more than $20 million. The project is now operating in London and Rio. David is working with his expanding team on a portfolio of new products including the CryptX index token, a new kind of exchange, a new blockchain explorer, and consulting.

Tomer Sofinzon

Tomer Sofinzon has spent over 15 years between the US, Europe and Israel focusing on technology entrepreneurship and investments. Tomer founded 8 companies, some of which were successfully acquired or made IPOs. Most recently he founded ClearCi, a company focused on delivering Enterprise Intelligence solutions, which was recently successfully acquired. He has worked extensively in venture capital with a focus on strategic partnerships, as well as made multiple angel investments. Now Tomer has co-founded Twenty Thirty AG with David Siegel and serves as its CRO. Tomer has an undergraduate degree from UC Berkeley and also graduated Summa Cum Laude from Babson College in Wellesley, MA where he was a Babson Scholar.

Rob Gaskell

has held Director positions of award-winning financial-services and multi-family-office businesses. He has over 13 years as a Director and 25 years’ experience in technology, operations, software, security, and M&A. Rob has a Fintech Qualification from MIT and strong interests in Blockchain, Cryptocurrencies, and Artificial Intelligence. He has an undergraduate degree in Engineering with Management from King’s College London and a Leadership Development certificate from Cambridge Judge Business School.

Vitor Py

Senior software developer, has led cross functional teams in areas as diverse as aerospace, energy, and law enforcement. Former founder of SIM, a Brazilian computational materials science startup. Vitor is helping us with all the back-end systems and programming to support our projects.


ICO Manager
Team leader with public and private sector business development experience across financial services, media and energy sectors. Arnold is working on the 20 I 30 ICO and helping to organize our product portfolio, including supporting entrepreneurs both with their funding efforts and creating profitable new products and services. 

Andre Rafnsson

Investor Relations

Has over 20 years management experience in the international pharmaceutical, medical device, specialty chemicals, and recently the biotech sector. Since 2010, Andre has been working in private equity as an investor and director in various life-science start-ups. He holds an equity stake as well as supervisory board positions in those companies. He is also on the board of the Rhodos Fond of Denmark. 


Martin Callinan

Has over 20 years’ experience in the software industry specializing in software licensing, IT Governance and risk avoidance. He advises us on open-source software and business risks of intellectual property, licensing, copyrights, security vulnerability management, and operational risk. His company is Source Code Control.

Sasha Serafimovski

Sasha’s first career was as an equities analyst at Morgan Stanley and Merrill Lynch, covering the financial sector. Since then an entrepreneur, investor, and mentor to a number of startups in Israel, Denmark and the UK. Sasha is based in London and very much part of the early-stage ecosystem. He will be helping Twenty Thirty on finance and business development.


The best way to contact us is to join the forums and come talk with us. Click on “community” bellow to get started.

If you want to send an email, send it to hello@2030.io