Meet the team

Fiachra Mullen

Co-Founder & CEO

Fiachra is a tech enthusiast and investor in multiple blockchain projects since early 2016. With broad involvement in the Hong Kong blockchain space – across Ethereum, Bitcoin and Hyperledger communities – he is passionate about the decentralising force of blockchain and its potential to disrupt and democratise industries for the benefit of the global community. As an entrepreneur, Fiachra has previously built and sold both an Irish boutique web design agency and a Californian consumer electronics brand.

Sally Bell

Co-Founder & COO

Sally has 15 years’ experience spanning Australia, Europe, the US and Asia. Sally helped launch a consumer brand business in 2006 on The Oprah Show to US national success. In 2014 she co-founded a multi-million dollar health food start-up named one of the top 25 disruptor brands in national US retail. As a brand marketer Sally has worked on global brands Wrigley and McDonald’s, and at Johnson & Johnson she led the new product development team across 12 markets in Asia Pacific. Sally brings a proven track record of strategy and partner engagement to the wHealth business.

Asaf Yosifov


Asaf has 16 years of experience managing complex projects, using both local and offshore development teams. He is an expert in developing products in diverse fields such as telecom, education, gaming, networking, travel, finance and more. Serial founder and co-founder of startups, he regularly leads the R&D and operations activities of these ventures. Asaf works within the R&D and startup eco-system in Tel Aviv. This includes an R&D center specializing in developing cross-platform solutions and software development for web and mobile, as well as startup accelerator FutureBlock.

Paul Long

Co-Founder & CCO

Paul built, scaled and sold Australia and New Zealand’s largest enterprise health organization in 2014 as the company founder and CEO. During this time Paul drove business growth through the development of world class organisational based behavior change initiatives that delivered quantifiable results for users and resulted in rapid viral growth. Since then he’s established a digital health business for the workplace, and as CoFounder and Executive Director he is currently guiding that business through an IPO on the Australian Stock Exchange (ASX). Paul is a health engagement and technology APAC leader with extensive commercial acumen and a robust track record of success.

Tzahi Kanza

Co-Founder & Chief Commercial Officer

Tzahi is CEO at Titanium Blockchain and CEO at accelerator FutureBlock. He is an expert in integrating blockchain technology, business and economics, and highly-experienced in managing technology products and startups, especially within the blockchain space.

Juan Otero

Technology Advisor & Interim CSO

Juan Otero is a serial Tech Entrepreneur & Innovation Advocate with 15+ years’ experience in building, scaling and leading disruptive companies, with several successful exits. Previous companies include Oracle and; the world’s largest and fastest growing online hotel booking service, part of Priceline (PCLN) – Mkt cap $100B.

Juan’s experience in tech start-ups has led to his involvement as a Consultant and Advisor in several leading tech start-ups, blockchain projects, start-up accelerators like Silicon Valley’s Founder Institute, government organisations like the European Institute of Innovation & Technology (EIT) and the European Commission (EC) in Brussels.