Protocol Career

Learn case interviews in 7 short lessons

Each lesson teaches one idea, then makes you practise it right away with graded drills. 56 minutes in total.

01

The Case Interview Method

What an interviewer is actually scoring, and the shape of a strong answer.

8 minFree
02

Market Sizing

Build a defensible estimate, then sanity-check it before you say it.

8 minFree
03

Case Frameworks

Why memorised frameworks fail, and how to tailor a structure to the question.

9 minPro
04

Profitability Cases

The revenue-cost decomposition, and where candidates lose the thread.

8 minPro
05

Case Math Essentials

The calculations that recur, and how to run them out loud without errors.

9 minPro
06

Structured Brainstorming

Generate breadth under pressure, then prioritize on the spot.

6 minPro
07

Behavioral & McKinsey PEI

Build a story bank that survives four rounds of probing.

8 minPro

The first two lessons are free with an account. Lessons 3 to 7 are part of Pro.

Practice while you learn

The drills behind these lessons are already open, no account needed. Work one now.