Since its formation, BOOS has organised the following conferences:

Year, Venue, Local Host, Guest Speaker

2001, London, Justin Cobb

2002, Birmingham, Roger Tillman

2003, Stratford Upon Avon, Roger Tillman

2004, Newcastle-Upon-Tyne, Craig Gerrand, Jay Wunder & Aileen Davis (Toronto)

2005, Oxford, Max Gibbons

2006 ,Edinburgh, Daniel Porter

2007, Stanmore, Tim Briggs, Frank Sim (Mayo Clinic)

2008, Bristol ,John Dixon, Dempsey Springfield (Boston)

2009, Belfast, David Warnock, Adrienne Flanagan (RNOH)

2010, Session at the Combined Societies Meeting Glasgow

2011, Oswestry, Paul Cool ,Sander Dijkstra (LUMC, Leiden)

2012, Leicester, Rob Ashford, Valerae Lewis (MD Anderson)

2013, Manchester, Jon Gregory, Hiroyuki Tsuchiya (Kanazawa, Japan)

2014, Birmingham, Lee Jeys, John Healey (Memorial Sloan Kettering)

2015, Oxford, Max Gibbons, Eric Henderson (Dartmouth-Hitchcock Medical Centre)

2016, Dublin, Gary O’Toole, Paddy Boland (Memorial Sloan Kettering)

2017, Newcastle, Craig Gerrand, Pete Ferguson (Mount Sinai, Toronto)

2018, Edinburgh, Sam Patton, Rodolfo Capanna (Italy)

2019, Leiden, Michiel Van De Sande

2020, Virtual

2021, Bristol

2022, Combined with EMSOS in London

2023,  Burton on Trent