When PayPal announced that it would stop processing funding to hate groups in the wake of the white nationalist rally in Charlottesville, Virginia, it came after months of behind-the-scenes conversations with Rashad Robinson’s Color of Change.

In April, his organization successfully campaigned to get The O’Reilly Factor canceled by rallying employees of Fox and of the show’s advertisers to pressure their companies to take a stand against sexual harassment. Robinson used similar tactics to move companies to withdraw sponsorship from the 2016 Republican National Convention.

Robinson talks about finding the right moment to launch a campaign, the difference between presence and power online, and whether companies have a conscience.

Read the full interview with Rashad Robinson about holding companies accountable by Adele Peters at fastcompany.com.