1st90: The Behavior Brief
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Oliver Buchannon
Paul Middleton

CEO/Co-founder, 1st90 www.1st90.com

Behavior Brief #011: Why Change Fades

Mar 18, 2026

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3 min read

Behavior Brief #011: Why Change Fades

...and How to Make It Stick

Paul Middleton
Paul Middleton
Behavior Brief #010: The 10-Minute Rule of Culture Change

Mar 11, 2026

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4 min read

Behavior Brief #010: The 10-Minute Rule of Culture Change

Why Small Daily Practices Outperform Every Town Hall

Drew Lincoln
Mike Heslin
Paul Middleton
Drew Lincoln, +2
Behavior Brief #009: Personalization Is the New Scale

Mar 4, 2026

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3 min read

Behavior Brief #009: Personalization Is the New Scale

Sameness spreads information. Personalization spreads behavior. Behavior change = business results

Paul Middleton
Paul Middleton
Behavior Brief #008: It's Not Linear

Feb 25, 2026

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3 min read

Behavior Brief #008: It's Not Linear

Behavior change is cyclical — so why are our transformation plans linear?

Drew Lincoln
Paul Middleton
Drew Lincoln, +1
Behavior Brief #007: One. Five. Thirty

Feb 18, 2026

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4 min read

Behavior Brief #007: One. Five. Thirty

One Behavior. Five Actions. Thirty Days.

Mike Heslin
Paul Middleton
Mike Heslin, +1
Behavior Brief #003

Jan 21, 2026

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3 min read

Behavior Brief #003

Weekly insights on the behaviors that drive transformation

Paul Middleton
Paul Middleton

#001

+2

Behavior Brief Issue #001

Jan 7, 2026

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6 min read

Behavior Brief Issue #001

Weekly insights on the behaviors that drive transformation.

Paul Middleton
Paul Middleton