Director, M&A Integration & Divestitures

Aon Corporation•Chicago, IL

1d•Hybrid

About The Position

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. 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.

Requirements

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
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

Responsibilities

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

Benefits

comprehensive benefits package
inclusive workforce
agile environment allows you to manage your wellbeing and work/life balance
two “Global Wellbeing Days” each year
variety of working style solutions
continuous learning culture inspires and equips you to learn, share and grow
401(k) savings plan with employer contributions
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
employee assistance program that includes free counseling sessions