In 2000, he wrote A dao of web design for A List Apart. Described as "A manifesto for anyone working on the web" by Jeremy Keith, and cited as a key inspiration for Responsive Web Design by Ethan Marcotte. It outlined the idea that the Web is its own medium, and we must embrace its characteristics, not decry them as bugs.

For nearly 20 years John has developed software (such as Style Master CSS editor) and written books (including Developing with Web Standards), courses, tutorials, and articles for web designers and developers, and he's one of the founders of the Web Directions Conferences.

John is still as excited about the Web and all things computing as he was when he got his first computer, the venerable TRS-80, a lifetime ago.

Andrew Clarke is a designer at Stuff and Nonsense, author and speaker who’s known for his design work and contributions to the web design industry. Over the last sixteen years, he has made designs for his clients and written two books, Transcending CSS and Hardboiled Web Design. Andrew has given over 50 conference presentations and hosted workshops and training events for web professionals all over the world.

Zoe Mickley Gillenwater is a web designer and developer who loves creating sites that work for as many people and devices as possible. She wrote an entire book on fluid web sites two years before “responsive web design” had a name (Flexible Web Design: Creating Liquid and Elastic Layouts with CSS), and has also authored the book Stunning CSS3: A Project-based Guide to the Latest in CSS and the video training title Web Accessibility Principles for lynda.com. She's written articles for publications like .net Magazine and Smashing Magazine, and has spoken at conferences like SXSW and Future of Web Design. Zoe currently works as a UX designer for Booking.com. Find out more about Zoe on her blog and portfolio site at www.zomigi.com, or follow her on Twitter @zomigi.

James Hall has been working in the digital sector for 12 years. He is the author of the popular jsPDF library, and is a founder/Director of Parallax, a digital agency in the UK. He's worked as a software developer on a wide variety of projects, from LED Billboards, car unlocking apps, to large web applications and tools.

Jon Hicks is a Graphic Designer based in Oxfordshire, UK. He runs HICKS with his wife Leigh and is most widely known for his work on the Firefox, Mailchimp logos, as well as recent icon projects for Spotify and Skype. He also quite literally wrote the book on Icons: “The Icon Handbook” for Five Simple Steps Publishing.

Jonathan Hoefler is the founder of Hoefler & Co., the type foundry behind some of the world’s most beloved fonts. Their typefaces include Gotham, Sentinel, Knockout, Tungsten, Mercury, and Archer, designs known for both high performance and high style.

Fonts by Hoefler & Co. are behind the public faces of some of the world’s foremost institutions, publications, and brands, in channels from print to web to mobile, and they provide typefaces to designers around the world through their website at typography.com. Their work is part of the permanent collection of the Museum of Modern Art in New York, and Fast Company has named them one of the most innovative design companies in America.

Tim is an independent developer and consultant who helps organisations with problems at the intersection of performance and responsive design.

He is the author of Implementing Responsive Design: Building sites for an anywhere, everywhere web (New Riders, 2012) and was a contributing author for Smashing Book #4: New Perspectives on Web Design (Smashing Magazine, 2013) and Web Performance Daybook Volume 2 (O’Reilly, 2012). He writes sporadically at timkadlec.com and you can find him sharing his thoughts in a briefer format on Twitter at @tkadlec.

Lisa is an online video industry veteran, a 2010 Streaming Media All Star, and a recognized expert in various online media technologies from Flash Media to HTML5, and emerging technologies such as WebRTC. With her wide range of experience, she has a knack – and a passion – for taking complex concepts and making them accessible.

She specializes in online video and media delivery, be it HTML5, Flash or consumer products such as Skype and Prezi. She’s been involved in the developer community for over a decade as one of the founding members of NYCoders (formerly FlashCodersNY). A prolific technical writer and trainer, Lisa has authored courses with lynda.com and Pluralsight.com, co-authored the book Flash Video for Professionals (Wiley), was a featured speaker on WebRTC at O’Reilly’s Fluent Conference, and authored the popular WebRTC Fundamentals course (Pluralsight, 2014).

She has worked with Google, Adobe and Microsoft, as well as many video-centric start-ups and enterprises, helping them get a grasp on web video and real-time communication technology. She blogs over at learnfromlisa.com

Seb Lee-Delisle is a digital artist and speaker who uses computers to engage with people and inspire them.

As an artist, he likes to make interesting things from code that encourage interaction and playfulness from the public. Notable projects include Lunar Trails, featuring a 3m wide drawing machine, and PixelPyros, the Arts Council funded digital fireworks display that toured nationwide in 2013.

As a speaker he demystifies programming and explores its artistic possibilities. His presentations and workshops enable artists to overcome their fear of code and encourage programmers of all backgrounds to be more creative and imaginative.

He won 3 Microsoft Critter awards in 2013, including Web Personality of the Year and Voice of the Year (best presenter) and he was Technical Director on Big and Small, the BBC project that won a BAFTA in 2009. Notable clients include BBC, Lego, Sony, Microsoft, Google, MLB, Nickelodeon, Philips, and Unilever.

Stacey Mulcahy is a technical evangelist with Microsoft for Windows 8. Prior, she was the Lead Developer working with a variety of technologies at Big Spaceship, a digital agency based out of Brooklyn, NY.
She has worked at Teknision and Fuel Industries in Ottawa, Canada, and IQ Interactive in Atlanta in a variety of technical roles. A technical editor and instructor, Stacey enjoys sharing her love for her work in interactive development. She considers her lack of verbal filter and extreme candor just a small part of her charm.

Oliver Reichenstein studied philosophy in Basel and Paris. He worked as brand consultant for Interbrand for four years. In 2003, he moved to Tokyo where he founded iA.

Information Architects was founded in 2005 in Tokyo. It quickly grew into “one of the most famous design agencies in the world” (Corriere Della Sera). Today, iA has offices in Tokyo, Zurich and Berlin. iA’s client list includes, among others, Zeit Online, UBS, Ringier, KPMG, Freitag, Tages-Anzeiger, NHK, Redbull and Monotype. With over 1,000,000 apps sold, iA Writer has become the best selling writing app for iPhone, iPad and Mac behind Apple’s own Pages.

Stefan Sagmeister formed the New York based Sagmeister Inc. in 1993 and has since designed for clients as diverse as the Rolling Stones, HBO, and the Guggenheim Museum. Having been nominated eight times he finally won two Grammies for the Talking Heads and Brian Eno & David Byrne package designs. He also earned practically every important international design award.

In 2008 a comprehensive book titled "Things I have Learned in myLife so far" was published by Abrams. Solo shows on Sagmeister Inc’s work have been mounted in Paris, Zurich, Vienna, Prague, Cologne, Berlin, New York, Miami, Los Angeles, Chicago, Toronto, Tokyo, Osaka, Seoul and Miami. He teaches in the graduate department of the School of Visual Art in New York and lectures extensively on all continents. In 2012 young designer Jessica Walsh became a partner and the company was renamed into Sagmeister & Walsh. A native of Austria, he received his MFA from the University of Applied Arts in Vienna and, as a Fulbright Scholar, a master’s degree from Pratt Institute in New York.

Brian Suda is an informatician residing in Reykjavík, Iceland. He has spent a good portion of each day connected to Internet after discovering it back in the mid-01990s. Most recently, he focuses on how smaller devices augment our every day life and what that means to the way we live, work and are entertained. This includes better visualizations of data, interactions, work-flows and ethnographic studies of how we relate to digital objects.