7 technology case studies in the style of McKinsey & Company interviews — practice each one live with an AI interviewer that pushes back, asks follow-ups, and scores your structure, math and recommendation.
Why McKinsey asks technology cases: McKinsey's tech arm, QuantumBlack, is one of the world's largest applied AI practices. They're leading enterprise AI adoption, building proprietary tools like Lilli, and running major cloud transformation programmes across Fortune 500 clients.
Strategy · Medium · 25-35 min
A tier-1 Saudi telco. Postpaid annual churn has climbed from 4% to 8% over eighteen months while the two main competitors hold steady at 2%. Prepaid is flat. Postpaid ARPU is roughly four times prepaid. The CEO wants the…
Tech Consulting · Hard · 35-45 min
A global bank — $400M annual public-cloud spend, growing 35% year-on-year — has a board mandate to repatriate 40% of workloads to on-prem within three years. The CTO is sceptical. The CFO is enthusiastic. The mandate was…
Consumer / beauty retail · Intermediate · 25-35 min
A global beauty company is considering training in-store consultants to use virtual channels to connect with customers beyond the store.
Public sector / financial inclusion · Advanced · 35-45 min
Assess whether the Diconsa network in Mexico could be used to provide basic financial services to rural communities.
Industrial / automotive · Advanced · 35-45 min
A European truck manufacturer is evaluating whether to invest in producing and selling electric trucks.
Talent / Digital Transformation · Advanced · 35-45 min
A Fortune 500 technology company needs to upskill 30,000 employees in large language model tools and capabilities within 18 months. Leadership wants a roadmap that addresses skills gaps, training investments, organizatio…
Technology / Cloud Operations · Advanced · 35-45 min
A $10B SaaS unicorn’s cloud spend is growing 40% annually while revenue grows 25%—cloud cost as a % of revenue is increasing. CTO needs a strategy to right-size infrastructure, improve cost efficiency, and establish FinO…
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