Lord Peter Mandelson (Peter Benjamin Mandelson)
Si-Sla
Si-Sla
- Tulip Siddiq, Lab Friends of Israel ['LFI supporter']
- Prof Mona Siddiqui, Open Britain Ltd
- Sangeeta Sidhu-Robb, Open Britain Ltd; PV Campaign Ltd
- Sir David Sieff, Israel, Britain & Cth Association [hon c'ttee]; UK-Japan C21st Group
- William Sieghart, Arts & Business Ltd [hon vice-pres]
- Henry Siegman, AMEURUS
- Tomasz Sielicki, Euro grp of Trilateral Comm; WEF Global Leaders for Tomorrow [as of 2000]
- Slawomir Sikora, Euro grp of Trilateral Comm
- Dr Reinhard Silberberg, Int'l Bertelsmann Forum 2004 [participant]
- Steven Silberstein, BlueVoyant LLC [coo]
- Lord David Simon, Britain in Europe Campaign Ltd [vice chair; non-exec director]; Ctr for Euro Policy Studies [board member]; Centre for European Reform [member of advisory board]; Franco-British Colloque [founder]; Konigswinter [non-exec director]
- Rebecca Simon, Lab Friends of Israel [Vice-Chair of the Board Jan.2010-; the Director May 2005-Sep.'08]; Lab Friends of Israel Ltd [non-exec director]
- Siôn Simon, Lab Friends of Israel [Parliamentary Exec- Commons]; Tertulias
- Tobby Simon, Asia Pac grp of Trilateral Comm
- Haig Simonian, Alfred Herrhausen Society for Int'l Dialogue of Deutsche Bank
- Allen Simpson, Strategy Board of Progress
- Heather Simpson, Policy Network & Comms Ltd
- Jeffrey Simpson, N Am. grp of Trilateral Comm
- Marie-Anne von Simson, German Brit Forum [advisory board]
- Coral Shabshin Sinai, Moon Active Ltd [Snr. Controller]
- Cllr Jo Sinclair, Lambeth Council [Ferndale ward, Labour, 1982-]
- Nigel Sinden, Fabian Soc [exec c'ttee]
- Renee Singer, Israel, Britain & Cth Association [Administrator]
- NK Singh, Asia Pac grp of Trilateral Comm
- Rita Singh, Brit-American Prjct [non-exec director]
- Sukhraj Singh, Hartlepool UFC Ltd ['ultimate beneficial owner']
- Vanesha Singh, Fabian Soc [exec c'ttee]
- Domenico Siniscalco, B'berg 2009; Advisory board of BlueVoyant LLC
- Sio Chi Wai, Asia Pac grp of Trilateral Comm
- Storme Sixeas, Brit-American Prjct Inc [treasurer]
- Alan Sked, Brit-American Prjct [member]
- Amanda Skelton, Tees Valley Regen. Ltd
- Brian Skerry, TerraMar Prjct Inc ['founding citizen']
- Kathryn Skidmore, Policy Network [head of operations & events]
- Paul Skinner, W.E.F. Davos 2006, 2007, 2008, 2009
- Rebecca Skippage, Brit-American Prjct
- Kristin Skogen Lund, Euro grp of Trilateral Comm
- Hans Skov Christensen, Ctr for Euro Policy Studies [board member]
- Felicity Slater, Progress ['outreach-'/'outreach & mbrship officer']
- Nora Slatkin, WEF Global Leaders for Tomorrow [as of 2000]
- Prof Anne-Marie Slaughter, B'berg 2013; N Am. grp of Trilateral Comm; W.E.F. Davos 2015