8th Ranked Speaker
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- Richard D'Ath
- December 2011
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- Udayan Mukherjee
- January 2012
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- Kevin Moar
- November 2011
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- Oscar Battell-Wallace
- November 2018
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- Sam Penno
- May 2018
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- Keir Robinson
- May 2018
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- Maddy Nash
- December 2018
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- Chris Bishop
- June 2007
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- Chris Bishop
- June 2008
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- Paul Smith
- June 2012
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- Tamara Jenkin
- November 2016
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- Keir Robinson
- November 2018
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- Sam O'Grady
- November 2018