Claim: Marc Porat is an entrepreneur known for founding General Magic, his sister is Ruth Porat.
Evidence: founding General Magic, and coining the term "information economy" entrepreneur, angel investor Ruth Porat (sister) 
Marc Porat is a tech entrepreneur and angel investor. founding General Magic, and coining the term "information economy" Porat's sister, Ruth Porat, is the current CFO of Google and former CFO of Morgan Stanley, and was named by Forbes as the 19th most powerful woman in 2019.