20 years ago today, Google debuted on the Nasdaq with a $23 billion market cap as a mere search engine company. Today, it’s now ballooned to a $2 trillion megcap with its hands in cloud, chips, AI and more. It also used an unconventional listing method: a Dutch auction, which let employees and retail investors participate more in the IPO. We spoke to Michael Grimes, the investment banker known as the Silicon Valley IPO whisperer and led the listing, on the anniversary.