Nine volunteer selection centres will be set up across the UK over the next few months, with a London preview event taking place at Excel London today.
Each event will comprise an exhibition about Olympic and Paralympic volunteering and a 30-minute interview.
It is estimated more than 300 people a day will attend a selection event over the next 14 months.
"The Games Maker volunteers will be the faces of the London 2012 Olympic and Paralympic Games and it is crucial that we recruit the best team players in the UK," said Locog chair Sebastian Coe.
"Our team will be finding out if the applicants have got what it takes to be a Games Maker and that they are willing to go beyond their personal best to help us stage a great Olympic and Paralympic Games. The interview process is a huge undertaking, but vitally important to find the right people for the success of the London 2012 Games."
The successful candidates will be appointed later this year, with training commencing in February 2012.
The full list of Games Maker selection events is as follows:
Excel London 1 February 2011 – 31 March 2012
Weymouth and Portland National Sailing Academy 8 - 20 March
The Digital World Centre, Salford Quays 24 March -16 April
Queen's University Physical Education Centre, Belfast 20 April – 29 April
Glasgow Science Centre 4 -15 May
Baltic Centre for Contemporary Art, Gateshead 19 May - 3 June
The Coal Exchange, Cardiff 7 – 18 June
University of Warwick Sports Centre, Coventry 22 June – 7 August
Plymouth 11 – 17 August, venue TBC
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