OSIS is a leading NGO dedicated to strengthening the civil society in Bulgaria. More than just an advocate for openness and inclusion, it creates a space where debate drives progress, where the principles of democracy, transparency, and social justice are continuously upheld.

Established in 1990 with a donation from George Soros, the institute has evolved alongside societal needs, ensuring its initiatives remain relevant and impactful. Through programs in governance, human rights, European policies, and social inclusion, OSIS proactively works towards a more integrated and democratic Bulgaria within the European Union.

Open Society Institute - Sofia

Org chart

Teams

Offices

Open Society Institute - Sofia

Org chart

Teams

Offices

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