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John Hartley

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John Hartley

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Jan 10, 2025

The 5 Ps of Measuring Engineering Management

Engineering management is often challenging to evaluate, as its impact extends beyond tangible outputs like code or projects. The…

The 5 Ps of Measuring Engineering Management

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John Hartley

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Jun 5, 2022

The Problem With Promoting High Performers

It’s exciting to help your direct reports reach the next level of their career, but don’t fail to plan for the side effects of promotions.

The Problem With Promoting High Performers

John Hartley

·

Jan 6

Not Everyone Wants Your Feedback

In a previous role, I worked with a manager who approached their weekly ceremonies inefficiently. The timing was inconsistent, the…

Not Everyone Wants Your Feedback

John Hartley

·

Oct 20, 2025

The Secret to Seamless Onboarding: Steal It From Waffle House

I love working on systems; it’s why I keep working on the internal tooling side of engineering orgs. There are unlimited tweaks you can…

The Secret to Seamless Onboarding: Steal It From Waffle House

John Hartley

·

Oct 7, 2025

2025–10–06 Do The Detective Work

I had a chance to play around with Sora 2 last week and the results are pretty crazy. Like, eerie, I shouldn’t have this kind of power…

2025–10–06 Do The Detective Work

John Hartley

·

Jun 9, 2025

2025–06–09 On Perceived Complexity

Welcome back to the weekly newsletter! Lots to get into this week, but first some thoughts on something rattling around in my noggin…

2025–06–09 On Perceived Complexity

John Hartley

·

May 16, 2025

What to do when you’re told you work too slow

Every manager who utters the phrase “working too slow” has a different opinion of what slow means. Well-meaning managers across many…

What to do when you’re told you work too slow

John Hartley

·

Dec 18, 2024

Handling Emotional Attachment to Ideas and Managing Growth After Stepping Back

This is the second episode of Ask Hartley Anything. In this series, I tackle real-world questions from engineers, product managers, and…

Handling Emotional Attachment to Ideas and Managing Growth After Stepping Back

John Hartley

·

Dec 11, 2024

Managing Your Team Through Change

This is the first episode of Ask Hartley Anything. In this series, I tackle real-world questions from engineers, product managers, and tech…

Managing Your Team Through Change

John Hartley

·

Nov 11, 2024

Cultivating Constructive Conflict

In every organization, the pursuit of innovation, efficiency, and a dynamic workplace culture rests on the bedrock of communication. Yet…

Cultivating Constructive Conflict

John Hartley

John Hartley

Engineering leader with a passion for building and growing high-performing teams in startups. Head of Engineering, Conversational AI @ Trellis

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