At Bleeding.Technology we track over 100,000 web 3.0, NFT, DeFi & crypto startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Spain based Director operating in the Blockchain space. If you think a Director is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Juan Zayas
Board of Directors of WISeKey
Hernández Zayas graduated in Economics and Business Administration in Bilbao in 1987, and obtained an MBO at the LSFT (London). In 1989 he joined the Audit and Corporate division of PriceWaterhouseCoopers. He spent 7 years at PWC specializing in corporate finance, mergers and takeovers, working with large companies and multinationals as well as important family groups. He is a member of the ROAC (The official Spanish College of Chartered Accountants). In 1995 he moved to the Eguizabal-Paternina Group, one of Spain’s leading wine producers, as Director of Affiliates, responsible for national and international expansion and coordinating the Group’s IPO in 1998. In 2001 Hernández Zayas was appointed CEO of the Cosimet-Velasco Group, playing a major role in the Company’s diversification strategy and in the consolidation of a large industrial holding, with companies involved in several sectors, including steel, real estate, construction and services. In recent years, Hernández Zayas has been focused on leading development in several new tech and renewable energy entities.
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About : WISeKey is a cybersecurity company using blockchain, AI, IoT technologies, and security to counterfeit fraud of bankcard and transactions.
Heriberto Saldivar Massimi
Managing Director of Brinc
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About Brinc: Brinc is a leader in global venture acceleration, operating 18 multidisciplinary accelerator programs in 7 countries.
Fernando Ramos
Legal & Compliance Director of Bit2Me
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About : Suite of blockchain services for exchanging cryptocurrencies and boost the adoption of Bitcoin
Arancha Riestra
Ecosystem Director of GoMadrid
Arancha is a creative professional highly committed to design and quality of details. She is a meticulous designer that has worked as an architect for international practices in London and Madrid for the last 10 years focusing her experience in all stages of international high-end interior design layouts as well as residential, retail, mixed-use and hospitality developments all across Europe, Middle East, South America and Asia. She has always shown a high degree of work ethic, self confident and a willingness to continue to learn and grow as a professional, leading teams, leasing with clients and facing all type of challenges demonstrating abilities in finding design solutions. Committed to sustainable design Arancha is a truly believer of working with passion enhancing details day by day. Now it’s time to start take new challenges up, now it’s time to move to the entrepreneur’s side and build ideas.
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About GoMadrid: GoMadrid is a technological ecosystem and innovation hub focused on venture building projects in fintech and blockchain areas.

Nestor Oller
Non-Executive Director and Advisor of Blockchain Company
Néstor Oller comes from an entrepreneurial family who after creating one of the top Spanish pharmaceutical companies decided to sell it by the turn of the century (just to cash in before all those catastrophic prophecies could come true…). The family business’ sale led to the creation of a Family Office, where Néstor has been the Managing Director for the last 10 years, currently having a diversified portfolio of real estate investments, direct private equity and financial assets. At the same time, Néstor set up and manages the Netri Foundation, a 10-year-old family foundation focused on impact investments, donating he proceeds from those investments to social projects. Néstor was born in Barcelona, Spain, holds a degree in Economics (Universidad Central de Barcelona) and an MBA (IESE Business School). http://skoll.org/contributor/nestor-oller/
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About : Blockchain Company is a media platform helping people discover blockchain news.
Marcos Valles
Manager Director & Founder Member of Megavatio Control SL
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About Megavatio Control SL: Megavatio Control SL develops software to acquisition and to treat data in the industrial and energetical sectors.
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