Marta Thoma Hall, president and head of business development of Velodyne, with her husband David ... [+] Hall, the company's founder and CEO. TIMOTHY ARCHIBALD FOR FORBESMarta Thoma Hall, who is married to billionaire David Hall, gave $470 to the campaign of Bernie Sanders last summer. She was the only billionaire or spouse of a billionaire that Forbes could find who donated to the Vermont senator. She didn’t think Sanders’ decision to return her money made much sense. “It’s disappointing,” she told Forbes in November, after being informed that the Sanders campaign said it planned to return her money.

Source: Forbes February 01, 2020 14:37 UTC