Director, M&A Integration & Divestitures

Overview

The Director, Corporate Development Integration & Divestitures provides global leadership for M&A integrations and separations across Aon , with end-to-end accountability from due diligence through execution and close-out . This role owns the Global Separation Management Office (GSMO) and serves as the Finance lead within the Integration Governance Office (IGO) , ensuring disciplined governance, value capture, and risk management across all transactions.

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

What the day will look like

Global Integration & Separation Leadership

• Provide global leadership for M&A integrations and divestitures, including full-company integrations, tuck-ins, carve-outs, and complex separations
• Define and execute integration and separation strategies aligned to deal objectives, value creation plans, and operating model decisions
• Ensure operational continuity, risk mitigation, and Day 1 / Day 2 readiness across all geographies

Global Separation Management Office (GSMO)

• Own and lead the Global Separation Management Office (GSMO), establishing enterprise standards for separation governance, methodologies, tools, and reporting
• Serve as the single point of accountability for complex separations, including stranded cost management, TSA design and exit, regulatory readiness, and execution sequencing
• Partner with Finance, Legal, HR, IT, and business leadership to ensure separations preserve value and minimize disruption
• Capture and institutionalize lessons learned to continuously strengthen Aon’s divestiture and separation capabilities

Integration Governance & Finance Leadership

• Serve as the Finance lead within the Integration Governance Office (IGO) , shaping governance frameworks, decision rights, escalation paths, and success metrics
• Ensure alignment between deal model assumptions, integration and separation budgets, synergy tracking, and post-close financial reporting
• Provide executive-level insights on value capture, risks, interdependencies, and financial trade-offs to deal sponsors and senior leadership

Due Diligence Leadership

• Coordinate global integration and separation due diligence , ensuring early identification of execution risks, complexity drivers, and resourcing implications
• Translate diligence findings into actionable integration or separation strategies, execution roadmaps, and governance models
• Influence deal structuring and timing decisions by providing clear perspectives on execution feasibility and risk

Execution Oversight

• Mobilize and oversee Integration Management Offices (IMOs) and separation governance structures for concurrent transactions
• Establish and manage global cadence, reporting, and performance tracking across integration and separation workstreams
• Maintain and continuously improve tools, templates, dashboards, and tracking mechanisms to support consistent execution
• Proactively identify and resolve cross-functional issues, dependencies, and risks using enterprise relationships and experience

Leadership & Capability Building

• Build, lead, and develop a high-performing global integration and separation capability, including internal teams and external advisors
• Act as a trusted advisor to executive leadership on complex transactions, transformations, and special projects

How this opportunity is different

This role is central to Aon’s ability to execute transactions with discipline, speed, and value preservation . The Director sets the standard for how integrations and divestitures are planned, governed, and delivered globally—ensuring that deal intent translates into real, sustainable outcomes.

Skills and experience that will lead to success

• Bachelor’s degree required; advanced degree or relevant certification preferred
• 10+ years of relevant experience in M&A integration, divestitures, corporate development, finance, or large-scale transformation
• Demonstrated leadership of complex, multi-country integrations and/or separations , including carve-outs and TSAs
• Proven experience operating within or leading enterprise governance models
• Strong financial acumen, with experience linking deal models to execution outcomes
• Exceptional problem-solving, judgment, and decision-making skills in ambiguous, high-pressure environments
• Executive-level communication skills with the ability to influence senior leaders and diverse stakeholders globally

Key Competencies

• Enterprise integration and separation leadership
• Global governance and operating model design
• Financial integration and value capture
• Risk management and execution discipline
• Stakeholder leadership across functions and geographies
• Ability to operate independently while driving alignment at scale

How we support our colleagues

In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status. People with criminal histories are encouraged to apply.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email

For positions in San Francisco and Los Angeles, we will consider for employment qualified applicants with arrest and conviction record in accordance with local Fair Chance ordinances.

Aon is not accepting unsolicited resumes from search firms for this position. If you are a search firm, you will not be compensated in any way for your submission of a candidate, even if Aon hires that candidate.

Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time.

Pay Transparency Laws

The salary range for this position (intended for U.S. applicants) is $150,000 - $180,000 annually. The actual salary will vary based on applicant’s education, experience, skills, and abilities, as well as internal equity and alignment with market data. The salary may also be adjusted based on applicant’s geographic location.

The salary range reflected is based on a primary work location of Chicago, IL. The actual salary may vary for applicants in a different geographic location.

This position is eligible to participate in one of Aon’s annual incentive plans to receive an annual discretionary bonus in addition to base salary. The amount of any bonus varies and is subject to the terms and conditions of the applicable incentive plan.

Aon offers a comprehensive package of benefits for full-time and regular part-time colleagues, including, but not limited to: a 401(k) savings plan with employer contributions; an employee stock purchase plan; consideration for long-term incentive awards at Aon’s discretion; medical, dental and vision insurance, various types of leaves of absence, paid time off, including 12 paid holidays throughout the calendar year, 15 days of paid vacation per year, paid sick leave as provided under state and local paid sick leave laws, short-term disability and optional long-term disability, health savings account, health care and dependent care reimbursement accounts,employee and dependent life insurance and supplemental life and AD&D insurance; optional personal insurance policies, adoption assistance, tuition assistance, commuter benefits, and an employee assistance program that includes free counseling sessions. Eligibility for benefits is governed by the applicable plan documents and policies.

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