Front end specialist at APS Group and transitofvenus.nl. With a professional experience of over a decade, Rikkert is at home in the fields of User Experience, Design and Front end technologies and has a passion for science and education.

A long-time web developer and founder of Apiary.io—a company building tools for REST API developers. Besides running a software company he leads a team of javascript ninjas writing a fully node.js/javascript app, full of exciting tech like language parsers, network proxies and grammar validators.

Shea has been teaching about Sencha products for over five years, writing early tutorials and the first book for ExtJS. He authored many popular library extensions, including the GMap Panel and Pull to Refresh plugins. At AOL's office in Baltimore, his team establishes UI foundations for a range of products.

Tommy Maintz is the original lead of Sencha Touch. With extensive knowledge of Object Oriented JavaScript and mobile browser idiosyncrasies, he pushes the boundaries of what is possible within mobile browsers. Tommy brings a unique view point and an ambitious philosophy to creating engaging UIs.

Jason is a Senior Software Engineer at Sencha working on the Sencha Io SDK. Jason has been working on the mobile web for more than 10 years starting with WML and for the last 5 years using JavaScript and modern browser technologies.

A software developer at Microsoft on the Cloud Programmability Team who is working to democratize the cloud through applications and frameworks. As an early adopter of Node.js, Matthew has worked hard to evangelize Windows and Windows Azure Platform.

Aditya is Sencha’s senior director of product management and is responsible for the product planning and strategy for Sencha’s product lines. Prior to Sencha, Aditya held various senior product management roles at Adobe and Microsoft.

Drew's video tutorials have helped many people to get started with Sencha Touch. He also runs the Vimcasts podcast, and is working on a book for the Pragmatic Programmers called Practical Vim.

John Merrells works on Sencha.io. He’s built large scale distributed systems for some of Silicon Valley’s most notable companies. And also some of its most notable failures. By all means feed him beer, but don’t get him onto the subject of Erlang.

Recently relocated to London from the states, Amber has over ten years of experience in front-end development and has been recently working in mobile web apps. She's run her own business for three years and has held clients like Audible, PBS and the ACLU.

Javascript developer and architect at Neolane, Xavier is also a member of ParisJS. He has dedicated the latest years to building business-oriented web applications and helped businesses move from desktop apps to web apps, and from proprietary to FLOSS.

A JavaScript and .NET software developer Avid community supporter in the Sencha forums. Founded two Ext JS user groups in both San Francisco and Malmö. Currently running his own company Bryntum, which creates advanced components and extensions for Ext JS and Sencha Touch.

Yahoo!'s JavaScript architect and a member of the committee designing future versions of the world's most popular programming language. Starting in 2010 and through 2011, Douglas delivered his acclaimed series of lectures on JavaScript.

Anis is a Software Developer at Adobe. He is part of the PhoneGap team. Anis is currently working on a variety of mobile platforms including Android, Bada and Qt. He built a lot of mobile apps using PhoneGap and enhanced them with native plugins: Maps, Photos, CouchDB…

Jay Garcia is Co-Founder and CTO of Modus Create, Inc. Jay is an engaging author and world-recognized thought leader, which is evident in his writing and consulting work on JavaScript, Ext JS and Sencha Touch framework.

Aaron Conran leads the development of Ext Designer. Aaron has been involved with Sencha since its very beginnings and has an in-depth understanding of Ext JS internals and architecture. He has demonstrated mastery of the Ext JS library and client-side development practices.

Sencha evangelist and RIA Architect from sunny Sweden. An ExtJS product architect and consultant/trainer since 2007. Main focus is large business applications with high demands on scalability/performance and stability. Also hosting the "Öresund Ext JS Meeup".

Nils is an Sencha Touch, ExtJS and TYPO3 developer and trainer. Active in the Sencha community, host of the Sencha meetup Frankfurt and enthusiast conference photographer. He works for dkd Internet Service GmbH in Frankfurt.

A Software Development Engineer on the Cloud Programmability team, Microsoft. In his current role, he’s actively involved in the design and implementation of Reactive Extensions for .NET (Rx) and on an extended “LINQ to Anything” mission. An avid blogger and a popular speaker on various conferences.

Michael has more than 12 years’ experience in product marketing and management for Silicon Valley software companies. Prior to Sencha, he held product and executive marketing roles at influential Silicon Valley startups Netscape, Loudcloud and VMware.

Sencha’s product manager for the Tools product line. Luca has been involved in the creation of web applications as a designer, developer and product manager for a variety of companies. He was born and raised in Italy, is passionate about UX, good design and playing guitar.

A JavaScript lover focused on Ext JS and Sencha Touch. Exploiting the passion as a Sr. JavaScript developer at Modus Create. Grgur has architected and developed market leading web apps used by 6 governments and 600+ municipalities in several European countries.

Developer Advocate at Google on Google Chrome, helping to bring awesome apps to the web and the Chrome Web Store. Mr Web Intents. Developer of many techie things including Twollo, Twe2, Topicala, Ahoyo and FriendDeck.

Jacob currently spends most of his time as a consultant based out of Copenhagen, working on largescale web applications that involves search engines and maps.

Thorsten 's main interests and focus of research relate to architecture and deployment of large scaled web applications, Object Oriented Programming principles, PHP and Javascript. A frequent contributor to Zend Framework and ExtJS/Sencha Touch.

Paul is a front-end dev by trade and builds SaaS web-apps for himself, like Kodery. He's worked brands from Sony Ericsson to Nike. He also won .net magazine's Young Developer of the year award.

Jon has spent most of the last ten years working in and around start-ups; both for advisory firms and venture capital backed start-ups, including an Oxford university spin-out. Jon started his career at Arthur Andersen and now manages Springboard.

A developer, speaker, blogger, one of the authors behind Introduction to HTML5 (New Riders). Remy is one of the curators of HTML5 Doctor, and he's also one of the two organisers behind this conference: Full Frontal JavaScript Conference. jQuery team member (developer relations).

Peter is a long time Java developer, with over 10 years of experience across a range of industries and technologies, covering both client-side and server-side development. Since early 2010 he has been a developer advocate for VMware and has worked with Cloud Foundry since before its public release.

Joined VMware in 2011 in San Francisco, to create the developer relations team, and make VMware and Cloud Foundry the first choice of developers moving their apps to the cloud. Previously, he worked at Google from 2005 to 2011, where he managed the Cloud and Tools Developer Relations team.

Working for European webOS Developer Relations, Markus is involved with webOS and the Enyo Framework daily. He loves working with other Developers and anything Web, Mobile and Technology related in general. He has a passion for communities, open-source, music and how technology affects our live.

Leads the development of Ext JS and supporting projects. An expert with Ext JS and JavaScript in general and with several years experience with traditional server side frameworks, he has broad experience in API design and delivery.

CTO of Verian Technologies. He is a supply chain expert and enterprise software architect. Bilal has worked in a variety of technologies (certified in technologies from Oracle, Microsoft, and Adobe) building enterprise applications before he discovered his love for the web and web based applications in the mid-90s.

Principal Front-End Architect at TandemSeven. His diverse academic and professional background provides specialty in developing both standards-compliant front-end and server-side code to make today's bleeding edge designs tangible online.

Chief Application Architect & Founder at Extnd LLC. Rich has been working with Ext JS since the very beginning and was a core developer for versions 1.x through 3.x. He now focuses on instructing courses & helping companies implement Ext JS & Sencha Touch solutions.

An original cofounder of Ext JS, Brian has been intimately involved with the Ext framework since before version 1.0. He continues his deep involvement with the Sencha community through speaking, his new company Extensible and the Austin Sencha meetup he organizes.