Author and hedge fund manager Jeff Gramm talks to the FT's John Authers about the biggest boardroom battles of the last century, from the proxyteers of the 1950s, to the corporate raiders of the 80s and the hedge fund activists of today. Then, in an excerpt from the FT's Alphachatterbox podcast, writer and NYU Shanghai professor Clay Shirky outlines the rise of Chinese phone maker Xiaomi, a company considered to be the most valuable startup of all time. Go to FT.com/alphachat for show notes and links. For information regarding your data privacy, visit acast.com/privacy