Andrew Williams 
Andrew Williams is a co-founder and director of Seventeen Events, a sustainable event management agency based in east London. Prior to co-founding Seventeen in 2005, Andrew spent the previous five years working for the Borders Books & Music chain, and living in Mexico and Central America. Andrew is a regular speaker on the subject of sustainability in events and has been voted one of the top 100 most influential figures in the UK events industry for the past two years.

Since its inception Seventeen has had a sustainable focus to its work and the company now organises a variety of high profile events every year including the Observer Ethical Awards. Seventeen are BS8901 compliant, having helped to trial the British Standard for sustainable event management in 2007. More information on Seventeen can be found on their website, www.seventeenevents.co.uk.

Christopher Bray
Christopher Bray joined the MS Society in 2004, having previously worked for Help the Aged and the Princess Royal Trust for Carers. Christopher created and produced the inaugural MS Life convention in 2006, the largest European experiential event for people affected by multiple sclerosis (MS). He has spent the past two years developing the MS Life format and the largest event in Manchester attracted more than 3,500 visitors, including more than 800 people with a disability. Innovative fringe events include an Inclusive Club Night, a Wheel & Walk fundraiser and a fashion show supported by Harvey Nichols, featuring models with MS on the catwalk. In 2009, he produced the first ‘smaller scale’ regional MS Life for 1,000 people taking place in the north east at The Sage Gateshead.  The MS Society conference team has successfully run events in adherence to BS8901 and is committed to reduce their environmental impact.