Keynote host

Roman Mars

Roman Mars is the host and creator of 99% Invisible, one of the most popular architecture and design podcasts in the world.  As our keynote host, Roman will create unforgettable on-stage experiences through storytelling and exclusive live interviews.

Roman Mars


Roman Mars is a masterful storyteller. His award-winning podcast, 99% Invisible, is one of the most popular podcasts in the world, and it has more than 330 million downloads. And he’s the co-founder of Radiotopia, a collective of groundbreaking independent podcasts.

Roman’s 2015 TED Talk is currently the most popular TED Talk about design. His crowdfunding campaigns have raised more than $4 million, making him the highest-funded journalist in Kickstarter history. He’s also one of Fast Company’s 100 Most Creative People.

At A’21, Roman will introduce the theme for each day and the big ideas he’ll explore with our keynote speakers. You’ll hear stories with big impact that ask us to create a better future.

“People think of design as the way something looks, and we really want to think about design as the way something functions and solves problems, not a representation of choices about who we are.”