Life Insurance Principal

Marsh McLennan

Expert witness actuary at Oliver Wyman, a management consulting firm advising insurers on risk and disputes. Producing defensible actuarial analyses, reports, and testimony for life insurance and reinsurance matters.

Posted 8/4/2026full-timeNew York City • New York • 🇺🇸 United StatesLead💰 $185,000 - $270,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Expertise in actuarial science with a strong focus on liability valuation, reserving, and pricing, complemented by extensive experience in stochastic modeling and regulatory compliance. Proven ability to prepare expert reports and provide testimony while mentoring actuarial staff and maintaining high standards of quality control.

Highest-signal resume keywords

Actuarial Science ExpertiseExpert Report PreparationStochastic ModelingLiability ValuationMentoring Actuarial Staff

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Cashflow ModelingSensitivity AnalysisExperience StudiesModel DevelopmentValuation FrameworksReserving MethodsStatutory ValuationGAAP ValuationDocumentation SkillsExpert Testimony

Soft Skills

Excellent Communication SkillsLeadershipIndependenceIntegrityCollaboration

Tools & Technologies

ProphetGGY

Certifications & Qualifications

ASAFSA

Industry Keywords

Life InsuranceAnnuitiesReinsuranceRegulatory ComplianceLegal Strategy

About the role

Key responsibilities & impact

Prepare independent expert reports, affidavits, and exhibits for litigation, arbitration, and regulatory matters
Provide expert witness and deposition testimony to judges, arbitrators, juries, and attorneys
Perform and oversee deterministic and stochastic cashflow modeling, sensitivity analyses, and experience studies
Review and validate opposing-party valuations, reserving methods, model implementations, and assumptions
Maintain reproducible models, complete audit trails, and documentation
Collaborate with outside counsel and internal subject-matter experts on legal strategy and discovery requirements
Advise clients on settlement drivers, regulatory exposures, capital impacts, and reinsurance/retrocession implications
Mentor and supervise actuarial staff and maintain quality control and peer review
Monitor actuarial standards, legal precedents, and regulatory developments affecting disputes

Requirements

What you’ll need

Bachelor’s degree in Actuarial Science, Mathematics, Statistics, Finance, or a related quantitative field
ASA or FSA (or equivalent) required
Minimum 10+ years of actuarial experience in life insurance, annuities, or reinsurance
Strong background in liability valuation, reserving, and pricing
Experience with variable annuities, equity guarantees, or other complex life/annuity products highly desirable
Proficiency in reserving, statutory and GAAP/IFRS valuation frameworks, experience studies, and stochastic modeling
Strong model development, validation, and documentation skills
Familiarity with actuarial platforms such as Prophet and GGY advantageous
Ability to produce reproducible analyses and maintain full audit trails suitable for legal scrutiny
Experience preparing expert reports and working with outside counsel
Ability to translate complex technical material into clear, defensible findings for legal audiences
Excellent written and verbal communication skills
Experience presenting to non-technical audiences including judges, juries, and executives
Track record of mentoring staff, leading technical teams, and delivering high-quality work under tight deadlines
Demonstrated independence, integrity, and adherence to actuarial standards of practice and ethical guidelines required for expert testimony

Benefits

Comp & perks

Performance-based incentives
Health and welfare benefits
Tuition assistance
401K savings
Other retirement programs
Employee assistance programs
Flexible work environment
Remote-work flexibility
Collaboration, connections and professional development benefits
Diversity, inclusive and flexible work environment
Reasonable accommodations