Behaviorals - initial was standard resume run through, then PEI interview where you deep dive into a specific story Case interview - what you'd expect from what's published about McKinsey interviews - market sizing example on a new pharma launch.

The McKinsey interview is a rigorous, multi-round process designed to assess problem-solving skills, analytical thinking, leadership, and communication. It typically includes case interviews, where candidates analyze real-world business problems, and personal experience interviews (PEI) that evaluate leadership, teamwork, and entrepreneurial drive. McKinsey values structured thinking, data-driven decision-making, and the ability to articulate insights clearly under pressure. Successful candidates demonstrate logical reasoning, adaptability, and executive presence, as well as a deep understanding of business strategy and impact-oriented solutions. The interview process is highly competitive, requiring strong mental math, hypothesis-driven problem-solving, and effective storytelling.