Founder And President
System1 Group Plc (Formerly Brainjuicer)
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John Kearon Email & Phone Number
Founder and President
at
System1 Group PLC (formerly BrainJuicer)
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✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
System1 Group PLC (formerly BrainJuicer)
Role
Founder and President
Location
London, England, United Kingdom
Who is John Kearon? Overview
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Quick answer
John Kearon is listed as Founder and President at System1 Group PLC (formerly BrainJuicer), based in London, England, United Kingdom. AeroLeads shows a matched LinkedIn profile for John Kearon.
John Kearon previously worked as Founder & President at System1 Group Plc (Formerly Brainjuicer) and Congress Committee at Esomar. John Kearon holds Llb, Law & Politics from Birmingham University.
Profile bio
About John Kearon
Founder & President of System1 Group PLC [THE Advertising Effectiveness Agency], voted most Innovative Research Agency more than any other. Winner of EY's Emerging Entrepreneur of the Year and many other awards in the creative and research industries.John’s recipe for entrepreneurial success is; creativity, resilience, determination, perseverance, stamina, drive, imagination, resourcefulness, courage, self-belief, commitment, ability to go without sleep and a touch of madness.Prior to System1 Group PLC, John founded innovation agency, Brand Genetics and before that, John was Planning Director at Publicis having joined from Unilever, where he held a number of research and marketing positions.Specialties: Predicting and Improving Advertising Effectiveness
Current workplace
John Kearon's current company
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System1 Group Plc (Formerly Brainjuicer)
7 roles · 40 years
John Kearon work experience
A career timeline built from the work history available for this profile.
Founder & President
Current
System1 Group Plc (Formerly Brainjuicer)
Jan 2000 - Present
Congress Committee
Esomar
2006 - 2007
~1 yr
Founder
Brand Genetics Ltd
1995 - 2000
~5 yrs
Strategic Planning Director
1992 - 1995
~3 yrs
Senior Brand Manager
Elida Gibbs
1989 - 1992
~3 yrs
Maketing & Research
1986 - 1991
~5 yrs
2 education records
John Kearon education
Llb, Law & Politics
3 A Levels
The Oratory
FAQ
Frequently asked questions about John Kearon
Quick answers generated from the profile data available on this page.
What company does John Kearon work for?
John Kearon works for System1 Group PLC (formerly BrainJuicer).
What is John Kearon's role at System1 Group PLC (formerly BrainJuicer)?
John Kearon is listed as Founder and President at System1 Group PLC (formerly BrainJuicer).
Where is John Kearon based?
John Kearon is based in London, England, United Kingdom while working with System1 Group PLC (formerly BrainJuicer).
What companies has John Kearon worked for?
John Kearon has worked for System1 Group Plc (Formerly Brainjuicer), Esomar, Brand Genetics Ltd, Publicis, and Elida Gibbs.
How can I contact John Kearon?
You can use AeroLeads to view verified contact signals for John Kearon at System1 Group PLC (formerly BrainJuicer), including work email, phone, and LinkedIn data when available.
What schools did John Kearon attend?
John Kearon holds Llb, Law & Politics from Birmingham University.
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