Senior Manager, Growth and Strategic Initiatives

Marsh McLennan

. Serve as the primary business-side coordinator for inorganic growth initiatives across IAM and OWA .

Posted 10/2/2026full-timeUnited StatesSenior💰 $150,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing complex, cross-functional initiatives, particularly in M&A and corporate development, while effectively collaborating with senior leadership and navigating ambiguity. Proven ability to develop strategic rationales, manage due diligence processes, and execute integration plans that align with business objectives.

Highest-signal resume keywords

M&A ExperienceProject ManagementMarket ResearchStakeholder EngagementStrategic Planning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Business Case DevelopmentDue Diligence ManagementRisk AssessmentCommercial AnalysisIntegration PlanningPowerPoint ProficiencyExcel ProficiencyProgram ManagementAnalytical Tools AdoptionCross-Functional Initiative Management

Soft Skills

Outstanding Communication SkillsInfluencing Without AuthorityHigh Level of IntegrityProfessionalismAbility to Navigate Ambiguity

Industry Keywords

Corporate DevelopmentTransaction DiligencePost-Merger IntegrationProfessional ServicesManagement Consulting

About the role

Key responsibilities & impact

Serve as the primary business-side coordinator for inorganic growth initiatives across IAM and OWA
Identify and research acquisition and investment targets across practices and geographies
Develop business-side strategic rationales and business cases covering capability fit, market attractiveness, strategic benefits, synergies and risks
Manage internal approval processes
Project manage due diligence on potential targets
Coordinate business participation and assist Corporate Development with market research, commercial analysis, risk assessment and negotiation support
Support senior leaders in relationships with potential targets and strategic partners
Partner with Finance, HR, Legal, IT, Marketing and Operations on integration plans
Coordinate commercial integration, including client and pipeline alignment, cross-sell opportunities, capability positioning and go-to-market messaging
Track integration progress and acquisition outcomes against the original business case
Escalate issues and help leadership realize strategic rationale and expected business benefits
Develop, prioritize and execute strategic growth initiatives with senior leaders
Lead high-priority strategic and operational projects across practices, geographies and functions
Connect teams and mobilize functional expertise and resources

Requirements

What you’ll need

Bachelor’s degree and 7+ years of relevant experience, ideally in professional services, management consulting, corporate strategy, business operations, corporate development or a comparable environment
3+ years working directly with or supporting C-suite or senior leadership teams
Prior experience in M&A, corporate development, transaction diligence or post-merger integration
Demonstrated track record of managing complex, cross-functional initiatives from ideation and analysis through execution and measurable outcome
Proven project and program management capability, including planning, milestone tracking, risk management and stakeholder reporting across multiple concurrent workstreams
Strong PowerPoint and Excel capability
Comfort adopting new analytical and work-optimization tools
Willingness to travel as needed to support the business
Ability to operate effectively with senior leaders and navigate ambiguity
Market research, commercial analysis, risk assessment and negotiation support experience
Outstanding written, oral and presentation skills
Ability to influence senior stakeholders without formal authority and operate effectively in a matrixed organization
High level of integrity and professionalism for confidential and commercially sensitive work

Benefits

Comp & perks

Health and welfare benefits
Tuition assistance
401K savings
Other retirement programs
Employee assistance programs
Performance-based incentives may be available
Hybrid work flexibility
Professional development benefits
Reasonable accommodations