Teresa Torres

Get My Eval Test Harness and Run Your First Experiment

My in-depth AI evals guide explains what evals are and how to build them. This post gives you the tool I use to run them. Here's the practical problem. To get a baseline, you have to run every input through your prompt, save each output, run every

AI Evals: A Hands-On Guide for Product Teams

AI evals have been the "it" skill for product teams for over a year. I've even called evals a new discovery habit. But I still meet product teams who only have a vague idea of what evals are. And it's not their fault. Most

The Call to Adventure

In June, I returned to Product at Heart in Hamburg, Germany. I love this event. Arne Kittler and Petra Wille do such an amazing job of curating a thoughtful lineup of speakers and they obsess over the attendee experience. If you are looking for a high-quality product conference, I

Ch. 9: Identifying Hidden Assumptions

Continuous Discovery Habits turns five this year. And to celebrate we are reading the book together. Each month, I am releasing an in-depth reading guide that includes: * The chapters we will be reading * A preview of the most important concepts we'll be learning about * Short videos you

Building AI for Women's Health: How Hertility Combined Bayesian Diagnosis and Scan Automation

Listen to this episode on: Spotify | Apple Podcasts How do you build trustworthy AI diagnostic tools in one of medicine's most historically under-researched areas? In this episode of Just Now Possible, Teresa Torres talks with Tulsi Patel (Director of Product and Technology), Lorna Brightmore (Head of Data

Quality of Evidence - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts You've got behavioral analytics, support tickets, sales call notes, and a feedback inbox that never empties. With all that data coming in, do product teams actually still need to go out and talk to users? In this episode, Petra Wille

From COVID Pivot to AI World Building: How Snapbar Reinvented the Photo Experience

Listen to this episode on: Spotify | Apple Podcasts What does it take to reinvent a 14-year-old company—not once, but twice? In this episode of Just Now Possible, Teresa Torres talks with Sam Eitzen (Co-founder & CEO), Joe Eitzen (Co-founder & CPO), and Patrick Ellis (CTO)

Stepping Into Leadership - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts Every product manager wants to move into leadership — but nobody wants to hire a leader without leadership experience. So how do you break the cycle? In this episode, Teresa and Petra unpack the practical, often-overlooked ways individual contributors can build real

Ch. 8: Supercharged Ideation

Continuous Discovery Habits turned five this year. And to celebrate we are reading the book together. Each month, I am releasing an in-depth reading guide that includes: * The chapters we will be reading * A preview of the most important concepts we'll be learning about * Short videos you

AI-Shaped Problems - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts Think you don't have big enough problems for AI to help with? Think again. In this episode, Petra and Teresa tackle one of the most common blockers people face when starting out with AI: not knowing where to begin. It&

Is This Okay? How Override Labs Built a Safety-First AI Consent Coach for Teen Boys

Listen to this episode on: Spotify | Apple Podcasts What if AI could help prevent sexual assault before it happens — without tracking users, judging them, or handing them a verdict? In this episode of Just Now Possible, Teresa Torres talks with Priya Nakra (Founder and Product Lead) and Olivia Rowley (AI

Creating Experiences - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts What makes an event truly unforgettable — and what can product teams learn from it? In this episode, Teresa sits down with Petra Wille to explore how Petra and her co-organizer Arne design experiences (not just events) at Product at Heart and

Organizational Change is Exhausting - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts Organizational change is exhausting — so stop trying to force it. Petra and Teresa unpack why trying to fix the people and processes around you is almost always wasted energy, and what actually works instead. If you've ever wanted to champion

Beyond Black Box Scores: How Musubi Trains Custom AI for Trust and Safety Teams

Listen to this episode on: Spotify | Apple Podcasts What do you do when off-the-shelf moderation scores aren't good enough—and the alternative is paying human contractors to spend their days reviewing traumatizing content at scale? In this episode of Just Now Possible, Teresa Torres talks with

Most Package Hacks Get in the Same Way: How I Block Common Entry Points

My initial reaction to the recent package hacks was fear. But I quickly learned I can mitigate much of the risk with a handful of configuration settings. If you haven't been following along, a large number of packages (think of packages as bundles of reusable code) have been

Learning Together - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts What's the best way to invest in your team's professional development — train everyone at once, let people self-direct, or something in between? Petra Wille and Teresa Torres explore why the sweet spot might not be what most

What I Learned from the Recent Wave of Package Hacks (And Is Cowork Immune?)

I love being a builder. I feel like I have a new superpower and I can't get enough of it. I enjoy tinkering with my Claude Code workflows to make my days more effortless. I'm having a blast building AI-generated interview snapshots and opportunity solution

Procurement - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts Teresa is cranky — and honestly? She has every right to be. In this episode, Teresa and Petra go on a deeply relatable rant about the absurdity of modern corporate procurement processes. Teresa is simultaneously juggling seven speaking engagement contracts, and six of

Ch. 7: Prioritizing Opportunities, Not Solutions

Continuous Discovery Habits turns five this year. And to celebrate we are reading the book together. Each month, I am releasing an in-depth reading guide that includes: * The chapters we will be reading * A preview of the most important concepts we'll be learning about * Short videos you

Building Lorikeet: How AI Humility and a Dual-Agent Architecture Are Redefining Customer Support

Listen to this episode on: Spotify | Apple Podcasts What does it take to build an AI customer support agent that actually knows when it can't help — and says so? In this episode of Just Now Possible, Teresa Torres talks with Jamie Hall (Co-founder & CTO), Xharmagne Carandang

Is Technology Good? - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts We built the internet. We championed social media. We're now building AI. But what if, looking back, we made things worse? In this candid and wide-ranging conversation, Teresa and Petra wrestle with a question that's hard to

My Team of Agents: How I Get Claude to Do Tasks While I'm Away from the Computer

Every morning I wake up and Claude has already added several tasks to my to-do list. If I have a podcast recording on the calendar, my podcast-manager agent (powered by Claude) prepares a podcast-interview-prep task with a summary of who I'm interviewing and what

AI Engineering - All Things Product Podcast with Teresa Torres & Petra Wille

Listen to this episode on: Spotify | Apple Podcasts What happens when a product leader accidentally becomes an AI engineer? In this episode, Teresa Torres shares how she went from occasional tinkerer to spending 60% of her time doing real engineering work — building AI-powered tools for continuous discovery, forming a

Upcoming Events - May 2026

I have two events I want to share with you. We will be doing another round of Claude Code: Show and Tell on May 26th at 9am PDT. These events are super fun. We take turns sharing our favorite Claude Code workflows with each other. Invites will go out to

Building Rhea's Factory: How AI-Designed Enzymes Could Finally Solve Plastic Recycling

Listen to this episode on: Spotify | Apple Podcasts Only 10% of the plastic we manufacture gets recycled. We've been trying to solve this for a hundred years using the same mechanical and chemical tools that created the problem. What if biology—specifically, engineered enzymes—is the missing piece?