BT Foresight and Futurology Unit is a futurology division of British Telecom.
The unit is accredited as being a top think tank by various sources
The founder of BT's futurology lab was Peter Cochrane who left in 2001 to found concept labs and remains a guru in the industry, his web site  lists his current interests.
Ian Pearson was BTs ] first futurologist he left in 2007 to setup an outside consultancy speaking organisation called futurizon .
As of 2008 the BT Foresight and Futurology Unit consists of (in alphabetical order).
Ian Neild and Ian Pearson were the editors of the last two technology timelines 
They all present and write about future technologies and impacts; further details can be found by web searches
Update, in 2009, Dave Brown and Jonathan Mitchener left BT to pursuse careers outside of BT.
"BT Exact Technologies" was the name of a division within BT but no longer exists