Roman Mars is the host and creator of 99% Invisible, a short radio show about design and architecture. With over 200 million downloads, the 99% Invisible podcast is one of the most popular podcasts in the world. Fast Company named him one of the 100 Most Creative People in 2013. He was a TED main stage speaker in 2015. It is currently the most popular TED Talk about design with over 4.5 million views. He is also a co-founder of Radiotopia, a collective of ground-breaking independent podcasts.