
ex-McKinsey
Fouzia A. is the founder of CasingLab and a former McKinsey consultant. On the blog, Fouzia covers the McKinsey interview process, the Personal Experience Interview, and how to structure a case under time pressure.
LinkedIn →Firm Guides
Complete L.E.K. Consulting interview guide: the proctored numerical reasoning test, the super-day case interviews, the firm's due-diligence flavour, and how to prepare.
Firm Guides
Complete OC&C Strategy Consultants interview guide: the online numerical and verbal tests, the candidate-led case format, fit questions, and how to prepare.
Test Guides
Still googling McKinsey PST tips? The PST was retired and replaced by Solve. What changed, what old prep still transfers, and how to get ready now.
Firm Guides
2026 guide to McKinsey's four PEI dimensions, Connection, Drive, Leadership and Growth, with representative questions, follow-up probes and the SPAR method.
Firm Guides
Complete 2026 guide to the McKinsey interview: application, Solve Game, PEI and case rounds, and how to stand out at each stage of the process.
Skills
The complete guide to case interview frameworks for profitability, market entry, M&A, growth and pricing. When to use them, how to customise, what MBB looks for.
Skills
Learn how to structure a case interview in 60 seconds using a top-down, MECE issue tree. Method, worked example and drills to nail the opening.