Vivek Ramaswamy speaks at a Trump rally.Anna Moneymaker/Getty ImagesVivek Ramaswamy will lead Trump's Department of Government Efficiency alongside Elon Musk.Ramaswamy, a biotech billionaire, dropped his presidential bid to support Trump.Here's everything to know about Ramaswamy.Vivek Ramaswamy became a top supporter of President-elect Donald Trump after his own presidential primary campaign fizzled out.Now, Trump has tapped Ramaswamy to co-lead a new "Department of Government Efficiency" with Elon Musk, another Trump fan.But how did Ramaswamy get here?