The story
Founded by John Neeson in 2001.1
Private company
SiriusDecisions, Inc. was a global B2B research and advisory firm with headquarters in Wilton, Connecticut.2 It was founded in 2001 by John Neeson.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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SiriusDecisions, Inc. was a global B2B research and advisory firm with headquarters in Wilton, Connecticut.2
Founded by John Neeson in 2001.1
Who has led SiriusDecisions, and when. Pick a name to see everywhere that person has worked.
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