Adam and Jerod invite back Katrina Owen after years away focusing on Exercism—a 100% free platform for code practice and mentorship with over 2500 exercises and 48 different language tracks. They talk to Katrina about how the platform has changed, the direction it’s taken, the backstory on the recently launched version 2, and how she plans to turn Exercism into a sustainable business. Also, what happens if that doesn’t work?!

When Mikael Cho started Unsplash from its small beginning as a Tumblr blog and side project, he had no idea it would have such a huge impact and ultimately disrupt the photography industry. In this episode, Mikael shares the backstory of Unsplash, how it got started, keeping things focused, levers of growth, flipping the marketing funnel, turning free into a business, raising $7.25 million to build a new economy for photography, and the impact of an API.

Danielle Morrill joined the show to talk about how she’s starting over from zero after the recent acquisition of Mattermark to FullContact where she held the role of CEO and co-founder who walked away with “zero dollars and a job”. We talked through the details of the company, the acquisition process, the deal — which she brokered herself — as well as her outlook on the startup grind and silicon valley today, and what she’s planning to do next.

Pia Mancini joined the show for the first episode back from a nearly 5 year hiatus. We talked about her work at DemocracyEarth, being a mother, her new role as CEO of Open Collective, their focus, supporting ad-hoc community formation all around the world, their revenue and growth plans, and their path to sustainability.

Blake Mizerany joined the show to talk about coming to Go from Ruby, Go’s growth and adoption over the past 7 years, adopting external dependencies, building a startup on Go, and coding as CEO.