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Gregor Jeffrey
British-Canadian theorist of mind. Keynote speaker, private advisor to executives, and founder of Cognitive Dynamics, creator of Cognitive Spectrum Theory and the Modes assessment, and host of The Intensive, a two-day immersion in the Riviera Maya, Mexico, limited to six participants. Writing weekly on cognition, communication, and the modes of thinking that shape how we lead, decide, and influence.
- Authority
- 46 reach 0 · trust 10 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://gregorjeffrey.com/llms.txt
- Sections
- 2
- Links
- 43
- Size
- 8155 bytes
- Registered
- 2013-09-16
- Country
- Poland Hosting inference
- Hosting country
- Poland Hosting inference
- Country evidence
- No published address evidence collected yet
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-25T15:04:22.094Z
- Last checked
- 2026-10-25T15:04:25.346Z
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Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-25T15:04:22.160Z. Cached copy · Source on gregorjeffrey.com
# Gregor Jeffrey
> British-Canadian theorist of mind. Keynote speaker, private advisor to executives, and founder of Cognitive Dynamics, creator of Cognitive Spectrum Theory and the Modes assessment, and host of The Intensive, a two-day immersion in the Riviera Maya, Mexico, limited to six participants. Writing weekly on cognition, communication, and the modes of thinking that shape how we lead, decide, and influence.
Gregor Jeffrey works at the intersection of cognitive theory and executive communication. His work centers on the idea that the order of information — *cognitive sequence* — shapes how communication is understood, how decisions are made, and how teams perform. He writes a weekly newsletter, *Here's my thinking*, and works privately with leaders who think differently.
## Pages
- [Home](/): Gregor Jeffrey's biography, selected clients (Enbridge, ATB Financial, AltaGas, Fidelity Investments, Starbucks, Nutrien), enterprise solutions, executive engagements, keynote speaking, strategic partnerships, and the Modes assessment.
- [Certification](/certification): Professional credential to facilitate Speaking to Different Thinkers, built on Cognitive Spectrum Theory and the Cognitive Sequence Method.
- [Newsletter](/newsletter): Index of the weekly newsletter Here's my thinking, on cognition, communication, and leadership.
- [Modes assessment](https://modes.gregorjeffrey.com): Free assessment that shows how your mind naturally operates, with a narrative profile.
- [The Intensive](https://theintensive.mx): Two-day immersion for leaders, founders, and high performers, limited to six participants.
## Writing
- [What's obvious to you isn't obvious to them](/newsletter/whats-obvious-to-you-isnt-obvious-to-them): From the inside, our own way of thinking is the only one we experience.
- [Why it's hard to prove a Conceptual thought](/newsletter/why-its-hard-to-prove-a-conceptual-thought): Not being able to explain how you got somewhere is not the same as being wrong.
- [For years I treated two different thinkers as one](/newsletter/for-years-i-treated-two-different-thinkers-as-one): Analytical and Logistical thinking both want proof - one asks whether information holds up, the other how it is organized.
- [Why complex thinkers get misread](/newsletter/why-complex-thinkers-get-misread): What gets called a difficult personality is often a complex way of thinking.
- [Processing out loud](/newsletter/when-every-question-sounds-like-an-objection): A question is often just someone processing out loud, not a verdict.
- [Why it looks easier for them](/newsletter/why-it-looks-easier-for-them): We compare the result, not the cognitive process behind it.
- [Why being good at your work isn't enough](/newsletter/why-being-good-at-your-work-isnt-enough): The gap is often not capability but perception.
- [Where influence begins](/newsletter/where-influence-begins): Cognitive influence applies self-awareness to tangible performance outcomes.
- [We don't know
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