Rizel Scarlett is a Staff Developer Advocate at TBD, Block's newest business unit. TBD is an incubator operating within Block. They are building open source platforms and protocols that make it easy to exchange money internationally.

Kate Kalcevich is Head of Accessibility at Fable. Fable is an accessibility company that enables the development of digital products that work for everyone. She sits down with Scott to talk about how to drive and measure accessibility in your applications and websites.

Kathryn Grayson Nanz Is a designer who's written an ebook called Foundations of Design for Developers. She understands that developers need to participate in the design process, and often developers can identify that something is wrong with the design but they can't figure out why. In this...