Which investor joined the British series Dragons' Den in 2021, becoming its youngest dragon?

Steven Bartlett joined the British series Dragons' Den in 2021, becoming its youngest dragon.

Bartlett is an entrepreneur, author and podcaster best known for co-founding the digital marketing agency Social Chain. His appointment added a younger technology and digital-business perspective to the investor panel.

He joined the programme for its nineteenth series, which aired in 2022 after the announcement of the new panel member. His age at appointment made him the youngest person to serve as a dragon in the British version.

The year can be confusing because the appointment was announced before the relevant series was broadcast. The important distinction is between joining the programme in 2021 and appearing in the nineteenth series broadcast the following year.