What Merck actually looks for
Merck, headquartered in Rahway, New Jersey (known as MSD outside the US and Canada, since a distinct German company also uses the Merck name), is dominated commercially by Keytruda, pembrolizumab, an immuno-oncology drug that has become one of the best-selling cancer treatments ever, approved across a wide range of cancer types. Merck is also a major vaccines player through Gardasil, its HPV vaccine, and operates a substantial animal health division separate from its human health business. Because so much of Merck's near-term revenue concentrates in Keytruda, interviewers, especially in strategy and commercial roles, expect you to understand the company's publicly stated urgency around pipeline diversification ahead of Keytruda's eventual patent expiration later this decade. Merck's R&D culture leans heavily oncology-focused, and candidates should expect rigorous, data-driven interviews that test scientific reasoning as much as business judgment.
Common questions and how to answer them
How should Merck think about life after Keytruda's patent expiration? A good answer references the need for pipeline diversification, whether through internal R&D, licensing deals, or acquisitions, and shows you understand the concentration risk a single blockbuster drug creates. Walk me through how you'd evaluate a potential new oncology asset for the pipeline. Talk through clinical trial data quality, mechanism of action differentiation from existing therapies like Keytruda, and realistic commercial potential. Gardasil sales have fluctuated with market conditions in China. How would you think about international market risk? Show awareness that vaccine and pharma revenue outside the US carries distinct regulatory and geopolitical risk that needs separate modeling from US-only forecasts. For each question, show you understand Merck's concentration risk in Keytruda specifically, since interviewers across functions are listening for whether candidates grasp this as the central strategic issue right now.
How to prepare
Know Keytruda's role in Merck's business in specific terms, what cancer types it's approved for and roughly how central it is to overall revenue, since this comes up regardless of function. Understand the difference between Merck & Co. (US, based in Rahway) and Merck KGaA (a separate German company), since confusing them in an interview is an easy, avoidable mistake. If you're in a commercial or strategy role, be ready to discuss pipeline diversification and recent licensing or acquisition moves Merck has made to reduce reliance on a single drug. Expect commercial and strategy interviews to include a case study built around pipeline prioritization or competitive positioning, since Merck evaluates candidates on structured business reasoning, not just industry trivia.