Henry Warren is a social entrepreneur, passionate about connecting people and promoting social change. He runs an NGO called Gemin-i which specialises in getting kids working with each other across the world, improving learning and breaking down cultural, religious and digital divides.Within this NGO he also runs three social enterprises: www.Rafi.ki - a social network for schools, Reflect - a teacher training business and Gemin-i webtools - a webdesign business He also sits on the board of: www.mybnk.org - an NGO dedicated to financial literacy in schools, and www.babygroe.co.uk - a charity specialising in providing new parents with guidance on fair trade and organic baby products

Lizzie Jackson worked with the BBC to create, develop and manage their online community. She has been working in this field since since 1997 and was nominated as ‘One of the 100 innovators of the UK Internet Decade’ by NOP World and e-consultancy.com in 2004. She is currently undergoing research for the BBC and the University of Westminster on virtual worlds.

Chris Cook is an established senior level Public Relations consultant, with over 13 years experience of building aspirational lifestyle brands in London’s most respected PR agencies, specialising in mobile technology and the digital/new media sector.

Stew McTavish has spent the past 4 years working to introduce and support people who want to make a positive change in the world. He’s recently taken his own advice, started his own company to make a difference.

Oli Barrett is a speed-networking guru! Three years ago he started running Speed Networking events in London because he found regular business events could be pretty stagnant. He also writes a blog: the Daily Networker at http://www.dailynetworker.co.uk and has a personal site at http://www.olibarrett.co.uk Oli is the founder of Make Your Mark with a Tenner (the national competition in which 10,000 school pupils are given ten pounds and one month to see what they can achieve.) He’s an ambassador for the UK’s Make Your Mark campaign, and brought the concept of Speed Networking to the UK, something which he continues to host regularly. Other companies he has helped to launch, and remains a shareholder in, include SockRush.com (the sock subscription service), Soflow (the business networking site which merged into Wis.dm), and FriendsAbroad.com (the world’s largest language learning exchange). After dropping out of University, Oli became a Butlin Redcoat (entertainer and compere) and worked with Hit Entertainment on the launch of Bob the Builder, going on to work with the BBC, Disney and Sony Wonder in New York. He founded his first company, Amazingyou at University, growing the team to 150 people in 9 cities and hosting events to connect students …

Emma Saunders currently runs an online greeting card business, and hires herself out as a freelance web coder. She is a bona-fide, fully paid up geek, and says “I love designing and creating websites - getting a piece of code to execute well is a thing of beauty.” She currently has about twenty projects planned at the moment, split into two categories: Save the World, and Make a Million, but says she’ll “settle for achieving some positive social change and being able to afford a pint”. Emma’s background is in trading, and sees her future in journalism.

Jim Lawn is the co-founder of Meerkat, a not-for-profit organization which engages multiple voices, celebrates the heroes and encourages investment in online innovation for social good. Jim is also co-founder of Polecat Ltd, a not-just-for-profit company providing innovation acceleration support and services for not-just-for-profit start ups. Until recently, Jim worked for Microsoft as Head of Innovation in the UK, working with the software development industry, entrepreneurs, investors, academia and Government to help Microsoft build its role as a key enabler for innovation in the UK.

Twenty three year old technology expert Chao Liu, from Coventry, gave up his job with an investment bank, in January 2007 to progress his ‘laptop alarm’ LapLock, an innovative idea he came up with whilst studying at Warwick University. Since working on the business full-time, Chao has been offered £100,000 by an American company who wanted the rights to distribute the alarm, but he has turned them down. Instead, he is now in negotiations with IT distribution companies in the UK to get the device into smaller technology outlets. Also, two insurance companies are considering offering a 10 per cent discount on laptop insurance if the user owns a LapLock; this would widen the market for the product and make it a more desirable purchase.

Ian Forrester is the senior lead on the BBC’s Backstage project, a developer network providing data and services for the general public. He also runs the London Geekdinners, a monthly social of the brightest minds in London with an invited guest.

Jon Markwell likes to build stuff and help other people do the same. He’s the founder of Inuda Innovations, an engineering business that aims to improve people’s experience of technology development. Alongside this he’s created The Inuda Network, a community of people passionate about making a difference through technology innovation.