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Become a Top 1% Product Manager

Dexter sharpens Product Thinking by teaching you powerful mental models. Learn how top Product Managers think and make smarter decisions
— in just 5 minutes a day.

No courses. No dashboards. Just bite-sized, personalized learning delivered where you already are — your text messages.

Trusted by product managers at

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Lucas L., Product Lead at YC Co.

“I've tried countless courses and books, but nothing stuck. Dexter's daily text messages actually changed how I approach problems at work.”

Why learn mental models?

Mental models are frameworks that help us understand complex systems and make better decisions.

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Most PMs don't lack skill or drive.
They lack time.

Time is the one resource you can’t get more of — no matter how smart, senior, or scrappy you are.

So what separates good PMs from great ones?
Leverage.

Leverage doesn’t mean working harder. It means building systems. Using better tools. Thinking in frameworks, not from scratch.

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The best cognitive tools we know of?

Mental models.

Mental models are how you work smarter. Prioritize faster, make clearer decisions, and lead with confidence — especially when everything is on fire.

They’re not just abstract concepts. They’re thinking infrastructure.

And if you don’t have that infrastructure, your brain becomes the bottleneck.

Dexter helps you build that — in minutes a day.

They're like cognitive shortcuts that successful leaders use to to go from chaos to clarity quickly.

Example:

Consider Amazon's product development process. Instead of starting with features, they use a mental model called 'Working Backwards'.

 

They write a press release and FAQ first — imagining the finished product's impact on customers. This forces clear thinking about product value and customer outcomes before diving into solutions.

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Learn what the best Product leaders already know

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01

DECISION MAKING

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02

PRODUCT

STRATEGY

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03

LEADERSHIP

Make better decisions, faster with models used by top Product leaders

Elevate from tactical execution to strategic direction

Communicate confidently and get buy-in from stakeholders at every level 

You'll understand mental models like

  • Second-Order Thinking: Anticipate consequences that others miss

  • Pareto Principle:

Focus attention on the highest-impact areas and cut distractions

  • First Principles Thinking: Break down complex problems into fundamental truths

  • Parkinson's Law:

Set appropriate timeframes and deadlines

  • ​​​Minto Pyramid:

Structure recommendations for executive approval

  • Stakeholder Mapping: Essential for managing relationships and getting buy-in

How Dexter works

Dexter uses research-backed learning strategies, from leading institutions, to help you learn quickly and retain knowledge

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Built for Busy People
No courses to complete or books to forget - just text Dexter back whenever you have 5 minutes between meetings.

📈

Designed for Growth
Dexter helps you master one powerful concept per week —

so you actually retain it, apply it, and get sharper over time.

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Backed by Learning Science
Using spaced repetition, active recall, interleaving and other cognitive strategies, Dexter

makes knowledge stick.

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Personalized for Your Life & Work
Every lesson adapts to your background, profession, and interests — so it’s always relevant and easy to apply.

Strengthen your product-thinking toolkit today

1. Tell Dexter about you

Your role, industry, and personal interests so he can personalize your learning 

2. Receive daily messages

Short, interactive lessons sent via text message

3. Learn smarter, faster

One powerful mental model per week, with daily reinforcement

No courses. No dashboards. Just bite-sized, personalized learning delivered where you already are — your text messages.

100x ROI. Really

At just $10 per month (or $96/year), Dexter costs less than a single conference or course.

 

Yet the mental models you'll master routinely lead to promotions worth $10,000+ annually.

Great Thinkers on Mental Models

JC
“You can train your brain to think better. One of the best ways to do this is to expand the set of mental models you use to think.”

James Clear

Author, #1 New York Times Bestseller Atomic Habits

Meet Dexter
and start making better product decisions today

No courses. No dashboards. Just bite-sized, personalized learning delivered where you already are — your text messages.

stop scrolling 😵‍💫 start learning 🧠

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