We are hiring Head of Operations

IPDB Foundation

The IPDB Foundation brings human-scale governance to the IPDB network. It is a global non-profit association located in Berlin. The IPDB Foundation’s mission is to advance the research of blockchain technology and decentralized governance for the benefit of society.

A distinct characteristic of the IPDB Foundation is its global membership base. Different from other foundations, IPDB Foundation’s members are the ultimate governance body which elects the management board on a bi-annual basis. Further, members operate the nodes that validate blocks and store data. The foundation’s articles are accessible [here]

Management Board


Entrepreneur, activist, decentraliser, … he has been working at the forefront of the decentralization movement in Berlin since 2014.
Joachim Lohkamp is an entrepreneur and tech-enthusiast with a heart for activism. As the founder of Jolocom, he has been working at the forefront of the decentralization movement in Berlin since 2014. With Jolocom, he is providing the identity solution that will enable real world use cases in smart contract based business models.

To ultimately harvest this potential and inform innovation aimed regulation, he co-founded the German Blockchain Association (Bundesblock) that establishes the dialogue between blockchain businesses and politics. He is further active as an advisor for BlockchainHub, a decentralized Think Tank and as a Connector for OuiShare. Finally, you might find him as the Organizer of events like GetDecentralized, Decentralized Web Summit among others.


General Secretary
Technologist, economist, visionary, … is working towards the shared sovereignty between humans, machines, algorithms and protocols.
Tom Fürstner is a research scientist and university professor with over 30 years of experience in formal logic, social economy theory and digital art. Tom is the founder and CTO of Riddle & Code, a company focused on developing dedicated hardware for the physical internet and public ledger systems.

These days, he is working on hardened server systems for operating BigchainDB and IPFS. The aim is to enable sustainable and resilient identity services in an emerging world of shared sovereignty between humans, machines, algorithms and protocols.



Disrupter, advisor, book author, writing about crowdfunding, blockchains, and regulation.
Elfriede Sixt believes in the disruptive potential of decentralized peer-to-peer networks and blockchains. She is curious to learn how industries and business models will change along this way.

Elfriede Sixt is a blogger and book author writing about crowdfunding, blockchains, and regulation. Her background is in Business administration and corporate finance. Besides that she is a founder of fintech.academy as well as ebit4u.


Internet pioneer, Security expert, educator, … the author of Privacy Lost: How Technology is Endangering Your Privacy.
David Holtzman is an information technology security expert, educator and activist. He started his career as a cryptographic analyst, military codebreaker, U.S. Naval Security Group submariner, and Soviet Manned Space Program analyst. Holtzman is an early-stage internet pioneer.

He was the CTO at Network Solutions when it managed the domain name system, where he oversaw the explosive growth of the commercial internet to more than 20 million domain names by the late 1990s. He is the author of Privacy Lost: How Technology is Endangering Your Privacy, and a regular commentator for major news media, including Bloomberg Television, BBC, CNN, The New York Times, Business Week, and The Washington Post.

Dr. Nina-Luisa

Lawyer, advisor, governance specialist, … in FinTech and decentralized technology, and her practice includes blockchain matters.
Dr. Nina-Luisa Siedler is partner at DWF, a technology-oriented global law firm, and head of the international Blockchain Competence Group. She focusses on the legal implication of blockchain/distributed ledger technology projects and assists her clients with the structuring of business cases with view to legal and regulatory compliance.

Nina is active member of several associations and working groups (Blockchain Bundesverband, EU Blockchain Observatory & Forum) and on the board of thinkBLOCKtank asbl, IPDB Foundation and INATBA.

Current members

A majority of caretakers must be not-for-profit organizations so the mission will take priority over profit.