Joko Purwanto was born in Ngawi (Indonesia), February 1980. He was a steering council Bojonegoro Institute, a local NGO based in Bojonegoro, East Java, Indonesia.

Bojonegoro Institute, was the one of civil society that support and endorse Bojonegoro local government into OGP.

Joko has extensive experience and expertise in budget analysis and advocacy, public disclosure, governance of extractive industries as well as the social audit activities of the extractive industries in a participatory manner.

Joko actively promote public participation in Bojonegoro to encourage mining operations more transparent and accountable. In 2015, Joko Bojonegoro assist local governments to implement oil and gas endowment fund.

In the last two years, Joko led the data revolution project in Bojonegoro local government to support sustainable development planning.