Guido Grinbaum and POK: Leading the transformation with digital credentials and micro-credentials
Guido Grinbaum: Innovation and vision in digital credentials
Guido Grinbaum, founder and president of POK – Proof of Knowledge, together with his team decided to create an innovative platform for verifiable digital credentials, convinced that the future of education lies in micro-credentials and international standards such as Open Badge 3.0.
After more than 25 years leading digital transformations and founding successful startups, Guido clearly saw that universities, companies, and governments needed a new way to certify learning and skills: agile, secure, interoperable, and blockchain-based.
For Guido Grinbaum and POK, micro-credentials are not a passing trend, but the foundation of a new educational and professional ecosystem. In a world where artificial intelligence and automation are transforming professions faster and faster, organizations require systems that validate in real time the skills of their students and collaborators. Digital credentials Open Badge 3.0 make this possible: offering trust, traceability, and international recognition.
With global presence and the recognition of hundreds of institutions, Guido and the POK.tech team decided to be protagonists of this change, developing the most innovative technology so that digital credentials and micro-credentials become the educational standard of the present and the future.
More than 25 years of experience in digital transformation
Digital Entrepreneur
Guido Grinbaum (Buenos Aires, August 26, 1966) is an Argentine businessman and entrepreneur specialized in digital innovation, fintech, and education. He began his career at Unilever and PepsiCo, where he worked for more than a decade in marketing and operations. He then became one of the most recognized serial entrepreneurs in Latin America.
He founded companies such as DeRemate.com (acquired by MercadoLibre), DineroMail (sold to PayU/Naspers), ZonaJobs, ZonaProp, DeMotores, and Baazee.com (India, acquired by eBay).
Leadership in media and corporate innovation
He was CEO of La Nación Digital between 2006 and 2014, leading the group’s digital transformation. He also joined the Coca-Cola Retail Innovation Council and co-founded Wabi, a marketplace developed together with Coca-Cola.
POK: digital credentials and blockchain
In 2023 he founded POK, a leading platform for verifiable digital credentials and micro-credentials. The solution is already used by more than a thousand institutions in Latin America, the U.S., and Europe, and integrates with global standards such as Open Badge 3.0 and the European Learning Model.
Companies founded by Guido
| Company / Project | Sector | Outcome |
|---|---|---|
| DeRemate.com | E-commerce | Acquired by MercadoLibre |
| DineroMail.com | FinTech | Sold to PayU/Naspers |
| ZonaJobs.com / ZonaProp.com / DeMotores.com | Classifieds | Sold to Navent / TigerGroup / QuintoAndar / CarSales |
| Baazee.com | Marketplace | Acquired by eBay |
| La Nación Digital | Digital media | Transformation and leadership (2006–2014) |
| Wabi | Marketplace | The Coca-Cola Company |
| POK (Proof of Knowledge) | EdTech / Blockchain | Global expansion in education and enterprises |