Company deep dives

Cornerstone Research interviews

United States · analysts

How the interview runs

  1. First roundTwo virtual 30-minute interviews.
  2. Final roundA multi-hour final round in one of the offices.

Source: cornerstone.com

How the process runs

“You will participate in two rounds of interviews: two virtual 30-minute first-round interviews, and a multi-hour final round in one of our offices.”

Cornerstone ResearchCareers: What We Look for in Analyst Candidates

Cornerstone Research · Undated, checked 11 November 2026

Two rounds

Practise the case round: hold the scope when the client adds a constraint.

Example

How to answer

“Our interview process is designed to provide a glimpse into the nature of our work while allowing us to assess your thought process, comprehension, communication skills, and ability to receive and apply real-time feedback.”

Cornerstone ResearchCareers: What We Look for in Analyst Candidates

Cornerstone Research · Undated, checked 11 November 2026

A glimpse of the work

Practise closing with the decision you need from the client.

Example

Working with others

“We are looking for people that we want to collaborate with, and the first step of successful collaboration is always listening, a skill that you have ample opportunities to demonstrate throughout the interview.”

Sarah AbrahamPrincipal, Boston

Cornerstone Research · Undated, checked 11 November 2026

Listening first

Practise agreeing who runs the work after you leave.

Example

“Candidates should be prepared to explain how they have handled similar situations in the past, especially focusing on dimensions of collaboration, conflict management, and mentorship.”

Spencer PiggManager, Washington

Cornerstone Research · Undated, checked 11 November 2026

Collaboration and conflict

Practise agreeing who runs the work after you leave.

Example

AI rules

“During interviews and assessments, we do not permit the use of AI. We expect candidates to rely on their own thoughts, analysis, and logic.”

Cornerstone ResearchCareers: AI Guidance for Candidates

Cornerstone Research · Undated, checked 11 November 2026

No AI in interviews

Practise reasoning in your own words: should the AI pilot expand?

Example

AI at work

“At our firm, generative AI supports our work while complementing—rather than replacing—the expertise, judgment, and rigor that define our client outcomes.”

Cornerstone ResearchCareers: AI and the Future of Economic Consulting

Cornerstone Research · Undated, checked 11 November 2026

AI supports, judgment decides

Practise counting the review work AI adds before you recommend it.

Example

Last reviewed