Nagesh Koritala

Learn

Learn what matters.

Free courses and field guides for people who build products. Start with the job itself, go deeper on how AI products work, or look up exactly how a card payment moves.

Product basics as one picture: three parts. The job, lessons 1 to 8; Advanced, lessons 9 to 11; Interview prep, lessons 12 to 15. Arrows lead from one part to the next. Lesson 1 is marked in red: start here. The job12345678Advanced91011Interview prep12131415 start at 1, then go at your own pace

Course · 15 lessons

Product basics

Fifteen lessons for new product managers, in three parts: the job itself, advanced topics, and interview prep. Each one teaches a method step by step, with worked examples, diagrams, quick questions, and a worksheet you can copy.

Start the course

The course as one picture. In the middle, the model, taught in lesson 1. Around it, one part per lesson: 2 the loop, 3 tools, 4 subagents, 5 evals, 6 guardrails, 7 observability, 8 cost and speed. Around everything, a dashed frame: the harness, lesson 9. 9The harness: all of it 2 The loop 3 Tools 4 Subagents 5 Evals 6 Guardrails 7 Observability 8 Cost and speed 1 The modelhow it works

Course · 9 lessons

AI for product managers

Short, free lessons on how AI products really work. Not how to train a model: what it does, what your team builds around it, and the questions to ask before it reaches a customer.

Start the course

A made-up value versus effort chart for the furniture store. Up: value to customers and the goal. Across: effort. High value, low effort, do first: the doorway-and-room check. Medium value, low effort: delivery date on the page. Lower value, low effort: room-size filter. High value, high effort, plan it: the 3D room planner. Lower value, higher effort, question it: the chatbot. Effort →Value → lowhigh Doorway-and-roomcheck Delivery dateon the page Room-size filter 3D room planner Chatbot do firstplan itquestion it made-up placements, before any scoring

Free tool · 5 methods

Prioritize with a North Star

A free tool for product teams: score your ideas with the method that fits the decision, check the guardrails, make the call together, and share it.

Open the tool

Field guide · 13 lessons

Anatomy of a Checkout

For anyone who wants to become a product manager for payments and checkout: what I’ve learned about how card payments work in the United States, from the payment form to the bank deposit to the return.

Open the guide

Ready when you are

Pick one and start.

Every lesson is free and stands on its own. Questions or ideas for the next one? I reply to every note myself.

Start Product basicsEmail me
Three overlapping circles: business, technology, and user experience. The product manager sits where all three overlap. BusinessDoes it workfor the company? TechnologyCan we build it? User experienceWill people want it,and can they use it? Product manager where all three meet