In 1994, he helped form People’s Solidarity for Participatory Democracy (PSPD).
Founder of "The Beautiful Store" a project of "The Beautiful Foundation." which is "Aiming to rekindle Korean habits of generosity and to popularize philanthropy, Mr. Park challenged individuals and companies to donate just one percent of their income or time. More than twenty-six thousand people have done so. The Foundation redistributes the money to the needy and to local public-interest groups. Meanwhile, in the Foundation’s chain of Beautiful Stores, volunteers recycle donated goods and clothing for sale to low-income shoppers."
His own optimism is based on the power of social movements. "Hope does not fall from the sky," he says. "We create hope ourselves."