Author, entrepreneur, speaker and connector, Peter is recognized worldwide for radically new ways of thinking about Social Media, PR, marketing, and customer service. Described by Investor's Business Daily as "Crazy, but effective", his clients have included American Express, Sprint and NASA.

WGN is Tribune Broadcasting's national cable, satellite and telco network. Based in the network's New York office, Josh oversees all of the network's marketing initiatives and creates integrated customized marketing platforms for advertisers.

A former editor-in-chief of Maxim Magazine at Dennis Publishing, Keith now heads up Creative for North America at Story. Story is a next-generation marketing agency founded on the principle that every brand has a story, and those who tell it best win. Keith helps brands like Lexus, Klondike, Regis Salons, WGN America, and Green Giant find their stories.

A global digital and media strategist, product innovator and trend expert, Michelle has an accomplished track record of transforming traditional news and content companies into reformed entities while creating new business models. Prior to joining DVF, Michelle served as the Chief of Staff for the CMO at Thomson Reuters.

Brian provides editorial vision and strategy for Edelman. He is well known for his expertise in new media, Web 2.0, social networks and sCRM. He is the author of two books, Shift & Reset (Wiley, 2011) and Media Rules! (Wiley, 2007).

Adena heads up marketing at Badgeville the world's leading Social Loyalty Platform. Prior to this she She led social media marketing for Nokia's Emmy Award-nominated alternate reality game "Conspiracy for Good". She has reported on tech startups for Red Herring and GigaOm and remains a keen blogger.

Jon heads up the start-up division at 1-800-Flowers.com. His main role is that of General Manager to Celebrations.com and the soon to launch TheGift.com websites. As part of these initiatives Jon has helped to shape the shift towards Social Commerce across the 1-800-Flowers.com family of brands.

A frequently requested International speaker, Erik is the author of "Socialnomics: How social media transforms the way we live and do business". He has advised or given keynotes at Google, Facebook, Starbucks, IBM and more, and Fast Company Magazine has listed him as a Top 100 Digital Influencer.

Having worked with clients as varied as British Airways, YMCA and Mecca Bingo over the past 12 years, Luke is one of the UK's most experienced social media consultants. A regular conference host and speaker, he specialises in social media marketing, monitoring and engagement.

Joelle co-founded Payvment, now the #1 social commerce platform on Facebook, back in 2009. Her current role involves helping retailers and brands with digital strategies for product discovery, promotion and merchandising. Prior to Payvment she was Executive Director of Xcreative Interactive.

Dan co-founded TheGrio, which was the first African American online and digital news site to be acquired by a mainstream broadcast company (NBC in 2010). Under his guidance TheGrio has grown to 1.3 unique monthly visitors and over 300K Facebook followers.

A tech start-up and marketing entrepreneur with over 15 years experience, Asif's clients have included IBM, BestBuy, American Airlines and Sears. He is a full-time location marketing consultant and publishes a podcast, This Week In Location-Based Marketing, every Monday at 10am.

Christine Perkett founded Perkett PR in 1998. In addition to her client work she is recognized as one of the most social media-savvy CEOs in the USA and ranked by Hubspot as one of the 100 Most Powerful Women on Twitter.

Lifelong advocate of common sense and self-styled opponent of mass marketers, Pierre founded Traackr, the Cambridge-based influencer monitoring and engagement company in 2006. Traackr's clients include Honda, WCG and SAP.

Seb previously headed up Brandwatch's sales and account management teams in Europe. A true authority on social media monitoring, he has worked with leading brands on everything, from solution design to query string writing.

Chase is a leading veteran in the field of collaboration and marketing intelligence. He has worked at JP Morgan-Chase and Oracle and founded several start-ups. He has been awarded the Marketing Sherpa Viral Hall of Fame award and top honors from Ad-Tech for deploying advanced social campaigns for F500 brands.

Part of the social media team at Constant Contact, Josh has been a professional marketer for 12 years and published numerous reports covered by sites such as Marketing Profs, eMarketer and Mashable.

Prior to co-founding Extole, Andrew set up TellAPal, the first social referral platform solution. Previously he worked at Adteractive and held key product management positions at Yahoo! Shopping and Yahoo! Travel. He holds a B.S. in Marketing from the University of Maryland.

Leila heads up We Are Social's New York team. She previously ran the social media teams at two of London's top agencies, Cake and Isobar, leading the development of social media strategies for some of the word's leading brands such as Coca Cola, Unilever, Heinz and IKEA.

Curtis founded Attention in 2006 and has since grown the agency to over 120 people in New York, Los Angeles, and London. Prior to this he created two highly successful new media practices at Ruder Finn and Middleberg. His clients include Thomson Reuters, Calvin Klein, Verizon, and Logitech.

Having been a highly successful TV producer for many years, Avi founded Big Fuel Communications in 2004. He has since grown the company to over 80 employees with clients such as AOL, McDonalds and GM.

Abhijit is in charge of TipTop's semantic search and discovery platform. Formerly head of technology for proprietary trading at Deutsche Bank, he holds a Ph.D. in Computer Science from Berkeley and a B.Tech. from IIT Kanpur.

A seasoned marketer and blogger, Heidi currently writes the Actionable Anaylsis column at ClickZ as well as Heidicohen.com. A former professor at NYC, she has advised brands and publications such as the New York Times, Citibank and The Economist on content marketing strategies.

A highly experienced social media product marketer, Jamie has worked with clients including Inter Milan, AEG Live, The O2, FNAC, Rotana and Bon Jovi. Among his most notable campaigns, Jamie raised money for UK Pop-indie band Hamfatter on the BBC's Dragons Den TV show.

Marshall is the founder of Webmetricsguru.com, an industry blog about web analytics, social media and search marketing. An Emeritus Director of Social Media at the Web Analytics Association, he is the author of Social Media Analytics (2011).

Lincoln currently leads the digital marketing strategy for several TV networks and a portfolio of digital properties. He manages a team responsible for driving television ratings, site traffic, and customer acquisition across multiple channels and platforms.