Oliver Wyman Actuarial - Internship - Summer 2027

Marsh McLennan • Boston, NY

6d • Hybrid

About The Position

Oliver Wyman's Actuarial Practice provides customized actuarial services and strategic insight to insurers, provider systems, regulators, and private equity firms. We combine actuarial expertise, advanced analytics, and technology to solve complex problems and enable forward-looking decisions. The practice has over 600 professionals, including approximately 300 credentialed actuaries, across 41 global locations. We collaborate with Marsh, Mercer, and Guy Carpenter to support clients on strategy, operations, capital efficiency, and large-scale transformation. This internship program includes an actuarial bootcamp consisting of presentations, case studies, and mentorship sessions over six weeks, designed to provide valuable and applicable skills for future employment in the actuarial industry. Candidates can rank their preferred role/practice: Actuarial & Strategy Intern – Integrated Consulting Group (ICG) or Actuarial Intern – Health, Life or Property & Casualty (P&C). Office availability varies by practice.

Requirements

• Class of 2028 or 2029
• Currently pursuing a degree in Actuarial Science, Mathematics, Statistics, or another STEM or business-related field
• Minimum GPA of 3.5
• Interest in the CAS, SOA, or CFA track
• Strong interest in both strategy consulting and actuarial applications
• Strong analytical and problem-solving skills, including the ability to navigate ambiguous or strategic business challenges
• Excellent written and verbal communication
• Ability to manage multiple priorities in a fast-paced environment
• Collaborative mindset with the ability to work independently
• Pursuing a degree in Actuarial Science, Mathematics, Statistics, or a related field
• Interest in corresponding SOA or CAS track
• Strong analytical and quantitative skills
• Candidates must have permanent, unrestricted U.S. work authorization. Visa sponsorship is not available for this role. (Please note, CPT and OPT are considered restricted forms of work authorization)

Nice To Haves

• Excel; familiarity with R, Python, SQL, SAS, or VBA

Responsibilities

• Support consultants and actuaries in analyzing business problems using data, research, and structured problem-solving approaches.
• Conduct industry and market research to help inform client recommendations.
• Assist in developing presentations, financial analyses, and other client deliverables.
• Collaborate with project teams to support engagement execution and learn consulting best practices.
• Support actuarial analyses related to pricing, forecasting, and financial performance.
• Work with healthcare datasets to identify trends, summarize findings, and develop insights.
• Assist in preparing client-ready presentations, exhibits, and analytical summaries.
• Support actuarial modeling and analysis related to valuation, pricing, and financial projections.
• Assist with data analysis, assumption reviews, and sensitivity testing exercises.
• Research industry trends and emerging topics to support client engagements.
• Prepare analyses, exhibits, and presentation materials for internal and client-facing discussions.
• Support actuarial analyses related to reserving, pricing, loss forecasting, and risk financing programs.
• Compile, organize, and analyze data to develop exhibits and summarize key findings.
• Assist with industry research, benchmarking studies, and business intelligence initiatives.
• Collaborate with consultants and actuaries to develop client-ready analyses and deliverables.

Benefits

• Intern weekly pay (U.S.): $1,350 – 1,600 USD, depending on role, practice and location.
• Opportunity of hybrid working.
• Colleague resource groups and social activities.

What This Job Offers

• Career Level: Intern