(all pro bono; see the disclaimer for more info)
Tsipras Institute: advisor to Alexis Tsipras, ex-prime minister of Greece.
mέta: advisor to the think tank of the political party MeRA25 (DiEM25) in Greece.
The High Mountains: advisor to the social coop dedicated to the repopulation and sustainable integrated development of mountainous areas.
OpenBionics: advisor to the open-source initiative that focuses on the development of affordable, light-weight, modular, adaptive robotic and bionic devices.
SciArt Lab: advisor to the open-source Lab aiming to hack science, art and technology.
Past
Kopli 93: a community centre and makerspace, situated in an abandoned culture house in Northern Tallinn, Kopli area.
Expert Collective: a start-up incubator for cooperative entrepreneurship.
Bitonproject: advisor to the open-source initiative to rebuild the Internet.
Nyamdrel Zo’Sa: a rural makerspace that was based in Bhutan.
Minds: a social networking platform, alternative to Facebook.
FLOK Society: advisor to the Free/Libre Open Knowledge Society project, of the National Institute of Advanced Studies, coordinated by the Ministry of Knowledge and Human Talent and the National Secretary for Science and Innovation, Quito, Ecuador.
OLPC: member of the team for the deployment of One Laptop Per Child initiative in Greece.
P2P Foundation: core member and research coordinator for ten years (2007-17).
Deputy Prime Minister: advisor to Yiannis Dragasakis’s office (2015) for production restructuring.
Prime Minister: advisor to George Papandreou’s office (2009-10) for e-governance.