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A former McKinsey associate distills the Firm's proven techniques for thinking about, working on, and selling solutions to business problems, plus advice for surviving high-pressure professional life.

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What it’s about

The McKinsey Way lifts the veil on the world's most prestigious strategy consulting firm, translating its internal jargon and methods into practical tools any businessperson can use. Ethan Rasiel, drawing on his own experience and interviews with dozens of former McKinsey consultants, shows how to approach any problem in a fact-based, rigidly structured, hypothesis-driven manner—organizing thinking with MECE lists, generating an initial hypothesis, finding the key drivers, applying the 80/20 rule, and avoiding the trap of forcing facts to fit conclusions. Beyond analysis, the book covers the messy human side of consulting: assembling and motivating teams, managing hierarchy, conducting research and interviews, brainstorming, making presentations, prewiring clients, and driving implementation. Finally, it offers candid survival advice on mentoring, travel, and preserving a life outside work. Concise, story-rich, and eminently practical, it's a field guide to problem solving the McKinsey way.

The through-line

Who it’s for
An ambitious businessperson or manager who wants to solve business problems more effectively and advance in their career.
The problem
Facing complex, ambiguous business problems without a proven method to structure thinking, analyze facts, and deliver solutions. Feeling unsure whether they are attacking the right problem, worried about credibility, and overwhelmed by data and pressure.
The plan
  1. Approach problems in a fact-based, structured, hypothesis-driven way.
  2. Structure your thinking to be MECE and build an issue tree from an initial hypothesis.
  3. Focus on key drivers and highest-payoff issues rather than boiling the ocean.
  4. Assemble and motivate a team, do smart research, interview well, and brainstorm.
  5. Sell your solution through structured presentations, prewiring, and organization-wide buy-in.
The payoff
You solve problems faster and more convincingly, backed by facts. · You gain credibility, get buy-in, and see your solutions actually implemented. · You manage teams and clients effectively while maintaining professional integrity and a life outside work.

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