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Marsh & McLennan

Brokers insurance and runs risk and HR consulting

MBA Summer Associate Intern - Health and Life Sciences

Summer 2027Updated on 10/24/2026
$91.25/hr
Internship
MBA
Boston, MA, USA+3 moreMore locations: San Francisco, CA, USA | Chicago, IL, USA | New York, NY, USA
In PersonWillingness and ability to travel regularly is required.
ConsultingStrategy & Management Consulting
No H1B Sponsorship

About the job

Requirements
  • Currently enrolled in a top-tier Master of Business Administration program.
  • Have a minimum of 3–4 years of experience in project-based, team-oriented environments.
  • Have a proven track record of leading and managing teams while delivering results under tight deadlines in fast-paced, demanding settings.
  • Demonstrate conceptual problem-solving and analytical skills.
  • Be able to apply in-depth content knowledge to provide thought leadership in project execution and develop intellectual capital to support business development activities.
  • Be able to present confidently to senior executives.
  • Be willing and able to travel regularly.
  • Unrestricted U.S. work authorization is required; the employer does not offer sponsorship, and CPT and OPT are considered restricted work authorization.
  • Include a GMAT score on the resume.
Responsibilities
  • Manage the execution of individual project modules, including hypothesis development, model creation, analysis, and primary and secondary research to surface insights.
  • Support the Partner group in project delivery through accurate, high-quality execution.
  • Build and nurture executive client relationships and present findings to diverse audiences.
  • Collaborate with junior team members and peers to leverage resources effectively for senior project staff.
  • Work on client projects alongside experienced consultants through various stages of project execution, from initial research to presenting findings and recommendations.
  • Participate in onboarding orientation introducing the firm's culture, values, and operational practices.
  • Participate in workshops focused on problem-solving techniques, data analysis, presentation skills, and client management.
  • Attend regular feedback sessions to discuss progress, address questions, and stay on track to meet goals.
  • Participate in social events and networking opportunities with colleagues and other interns.
  • Present a capstone presentation to practice members and peers at the conclusion of the internship, showcasing key learnings, project contributions, and insights.
Desired Qualifications
  • Previous management consulting experience or experience in Health Services, particularly with insurers or providers, or in Life Sciences.

About the company

Marsh & McLennan Companies, which operates under the Marsh brand, is an insurance broker and consulting group serving businesses, governments and institutions worldwide. Its Marsh Risk unit arranges property, casualty, cyber and employee-benefit coverage, while Guy Carpenter places reinsurance for insurers. Mercer advises employers on pay, benefits, retirement and investments, and Oliver Wyman, Lippincott and NERA handle strategy, brand and economic consulting. Brokers earn commissions and fees from placing coverage, and consultants bill client fees or charge fees based on assets or plan members. The company traces its roots to 1871 and is headquartered in New York City.

Company Size

10,001+

Company Stage

N/A

Total Funding

N/A

Headquarters

New York, NY

Founded

1871

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Simplify Jobs

Simplify's Take

What believers are saying

  • Consulting drives growth: Mercer and Oliver Wyman's group grew 8% organically in the June 2026 quarter, versus 3% for broking.
  • Profits cushion jobs: Marsh kept about 27 cents of operating profit per sales dollar in 2025, before one-time costs.
  • Many career paths under one employer: 95,000+ colleagues span broking, reinsurance, benefits and strategy consulting in 130 countries.

What critics are saying

  • Expect cuts: Thrive, announced October 2025, sets aside $500 million, mostly severance and technology, to save $400 million yearly.
  • Pricing works against broking: Marsh's index shows commercial rates fell 6% in the June 2026 quarter, an eighth straight drop.
  • Back-office roles are being consolidated: a Business and Client Services unit is pooling operations and technology teams company-wide.

What makes Marsh & McLennan unique

  • Consulting is a third of the business: Mercer and the Oliver Wyman group earned 36% of 2025 revenue.
  • Investment management sets it apart: Mercer is the world's largest outsourced chief investment office, running portfolios for institutions.
  • Scale sets it apart: 2025 revenue grew 10% to $27.0 billion across broking, reinsurance and consulting.

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