GameStop has recently reprised the stock frenzy that gripped the video game retailer in 2021, when the company’s share soared as much as 2,000%. Then, as now, the man driving the original “meme stock” is Keith Gill, an amateur trader whose power to move markets stems from his popularity on social media.

Read on to learn more about Gill.

Who is Keith Gill?

Keith Patrick Gill is a financial analyst turned social media influencer who has acquired a massive audience among retail investors. Known on YouTube as “Roaring Kitty” and as “DeepF—Value” on Reddit, he recently rekindled investor interest in GameStop, a money-losing video game chain, with a cryptic post on X that some took as a symbol of his return to the investing world after a three-year hiatus.