David Margolese
Co-founder 1990Background
David Margolese was a relentless Canadian entrepreneur who founded Sirius Satellite Radio in 1990, securing the critical S-band spectrum auction from the FCC and raising billions in capital to launch the first commercial satellite radio constellation. His defining founding moment was the aggressive, debt-fueled capital race of the late 1990s that built Sirius into a national powerhouse, establishing the hardware footprint required to eventually force the 2008 merger with XM.