Julie Ann is a designer at Github in San Francisco. She loves open-source, writing, and speaking, and though she is a nrrrd, she most definitely is not a robot.

Bryan Liles is a well known programmer hailing from Baltimore and officially the Greatest Man Alive. It says so on his Twitter bio, and those are never wrong. Oh, and he really really wants you to test everything. Really.

Brian is the former CTO of Major League Gaming and Agora Games, and is now the founder of MadGlory Interactive, a game-playing, butt-kicking studio in New York.

PJ is UX Design Lead at Amazon, where he makes it easier for us to buy all the things. He loves Disney, and has saved 2 turtles from certain death.

James is a consumate businessman, with his Creative Directorship at Offroad Code, and his online knife store Cudding Edge Knives. He has his fingers in lots of pies, and hes the tools to cut a slice too.

Peter Cooper is a modern-day news mogul, running his email newsletter empire. He writes Ruby Weekly, HTML5 Weekly and a slew of others. But he's just as well known for his signature vibrant style.

Jessie has been called the Napoleon of Improv. She is founder of The Improv Effect and travels worldwide helping companies communicate better and rethink their strategies in a more creative way.

A friendly Midwesterner, Matt knows how to create beautiful code and rock out while doing it. He runs his small-size, big-quality studio, Littlelines.

Fabulous Fabio is an Italian lost in North Wales. Design Lead at uxebu and pixelplant, he's also mad for stats and launched his own app StatNut for keeping track of all your social numbers.

Tikhon used his powers of awesome to found his well known startups, Scribd and Parse. He's also an angel investor.

Steven is co-founder of several hugely successful sites, including Reddit and Hipmunk. He's also an online educator. Some might call him a /r/badass.

Previously of Hashrocket and Thoughtworks, Desi is now MD at thoughtbot. She's an active advocator of women in development and hugs for all.

Tattooed eccentric, front-end developer and Instagram hipster; James is co-owner of the design studio Simple as Milk.

Well known for his beautiful designs, Josh won the Best Medication Design award for a project which could literally help save lives.

If Carl wasn't so invested in doing great things with nGen Works, he'd make a brilliant evil mastermind. He also runs Happy Webbies and Unmatched Style's BizCraft.

When Lea isn't working for W3C, she spends her time speaking and writing. and makes projects like css3test.com. She fights to make a better web as a member of the CSS Working Group.

Martyn does digital things at Cardiff University where he schools websites in UX and social media. He likes filmmaking, and film watching too.

Dan does all sorts of web things for BBC Sport in Manchester. He also runs Break the Page, which celebrates why we love creating for the web, and what we want the web to be.