Oliver Wyman Actuarial - Internship - Summer 2027

Company Overview

Oliver Wyman is a global leader in management consulting, with offices in 60 cities across 29 countries. We combine deep industry knowledge with specialized expertise in strategy, operations, risk management, and organizational transformation. Our 7,000+ professionals help clients optimize performance, improve operations and risk profiles, and capture the most attractive opportunities.

Within Oliver Wyman, the Actuarial Practice provides customized actuarial services and strategic insight to insurers, provider systems, regulators, and private equity firms. We bring together actuarial expertise, advanced analytics, and technology to solve complex problems and enable forward-looking decisions.

Our team includes 600+ professionals (including 300 credentialed actuaries) across 41 global locations. We work closely with Marsh, Mercer, and Guy Carpenter to support clients on strategy, operations, capital efficiency, and large-scale transformation.

Summer Internship Role

• Actuarial Intern – Property & Casualty (P&C)

Property and Casualty (P&C)

P&C Overview: Advises insurance companies, corporations, captive insurers, healthcare systems, and regulators on risk financing, reserving, pricing, and financial forecasting through actuarial analysis and data-driven insights.

P&C Locations: Atlanta, Charlotte, Chicago, Houston, Los Angeles, New York, Philadelpiha, San Francisco

What You'll Doas a P&C Intern

• 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

Example P&C Projects

• Reserve analyses and loss forecasting for self-insured organizations and captive insurance companies
• Cash flow projections and financial modeling to support risk financing decisions
• Benchmarking studies and actuarial assessments across industries and risk programs
• M&A due diligence and transaction support for insurance-related acquisitions
• Development and enhancement of business intelligence tools and actuarial applications

Qualifications and Skills:

• Class of 2028 or 2029
• Pursuing a degree in Actuarial Science, Mathematics, Statistics, or a related field
• Interest in corresponding CAS track
• Strong analytical and quantitative skills
• Excellent written and verbal communication
• Ability to manage multiple priorities in a fast-paced environment
• Collaborative mindset with the ability to work independently
• Technical skills: Excel; familiarity with R, Python, SQL, SAS, or VBA

Internship Compensation & Benefits

Intern weekly pay (U.S.): $1,350 – 1,600 USD , depending on role, practice and location.

Application Process

When applying, please:

• Rank your preferred internship role/practice (Please note, only P&C is available)
• Indicate your preferred office location (please note, office location varies by practice)

Work Authorization

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)

Why join us?

• Come aboard if you are excited by challenges and want to work across different cultures.
• We want you to step out of your comfort zone and embrace your curiosity.
• Our consultants learn on the job and receive formal training to develop their communication, presentation, analytical, and client management skills.
• You’ll find genuine colleagues who stand by their beliefs and measure success by the lasting impact you create together.
• We believe in flexibility, including the opportunity of hybrid working. You are also invited to join our colleague resource groups and social activities.

We hire you to be you

• Our open, inclusive, and down-to-earth culture will enable you to bring your best self to work.
• You’ll work alongside authentic colleagues who do serious work, but don’t take themselves too seriously.
• There’s no corporate mold to fit and hierarchy doesn’t get in the way.

Oliver Wyman is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit oliverwyman.com, or follow us on LinkedIn and X. 


The Actuarial Practice of Oliver Wyman, a Marsh business, advises clients across a broad spectrum of risk management issues. We are a rapidly growing group with offices expanding across the globe. Our actuaries hold the highest professional qualifications and are nationally recognized as experts in their field(s). We use mathematical and statistical modeling skills and our qualitative assessment methodologies to assist clients in evaluating and addressing risk. Our solutions help clients manage and prepare for the potential financial consequences of uncertain future events. We bring a combination of broad-based expertise with specialized knowledge of specific risks, allowing us to provide independent, objective advice in the three primary areas of risk: healthcare, life and annuity, and property and casualty.

Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting View email address on click.appcast.io.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.