Sculley has been a founding investor in MetroPCS (formerly General Wireless) and helped guide the company's brand marketing; MetroPCS became a multibillion-dollar public company on the New York Stock Exchange until its acquisition by T-Mobile in 2013. He built NFO Research from $25 million to $550 million in revenue, and sold it to IPG for $850 million. He helped launch and advised Hotwire.com, Intralinks (which was co-founded by his brother Arthur), and InPhonic, Buy.com, and PeoplePC—each of which became billion dollar market cap public companies in the 1990s.