In the fast-paced and high-stakes world of international risk management, brokerage firms are constantly realigning their leadership teams to navigate shifting economic landscapes, complex regulatory environments, and surging client demands. The latest installment of International People Moves highlights significant executive transitions at two major industry players: global insurance giant Aon plc and independent specialist re/insurance broker Miller.
The most prominent development involves Aon, where Chief Financial Officer Edmund Reese has stepped down from his post after a two-year tenure to pursue external opportunities. Stepping into the breach on an interim basis is Nadin Virani, a seasoned financial executive within the firm. Meanwhile, in the specialty re/insurance sector, Miller Bermuda has bolstered its leadership ranks by poaching Harry Vickers from Gallagher to serve as Senior Director of Property, marking a critical milestone in the independent broker’s strategic expansion across the Atlantic.
These concurrent personnel shifts underscore the broader strategic maneuvers currently shaping the global insurance and reinsurance brokerage sectors. This comprehensive report examines the core facts, timelines, supporting data, official leadership responses, and long-term implications of these appointments.
1. Main Facts
The latest corporate developments center around high-profile executive movements at two prominent firms within the global insurance ecosystem:
Aon plc CFO Transition: Aon announced that Edmund Reese is relinquishing his duties as Executive Vice President and Chief Financial Officer, effective immediately. Reese is leaving the firm to pursue opportunities outside of Aon.
Interim Leadership Appointment: Nadin Virani, who previously served as Aon’s Global Head of Corporate Planning and Analytics, has been appointed interim CFO, effective immediately. Virani will lead Aon’s broader finance organization and report directly to President and CEO Greg Case.
Transition and Search Process: To ensure absolute continuity, Edmund Reese will remain with Aon as a senior adviser to CEO Greg Case through August 16, 2027. Simultaneously, Aon has engaged an elite executive search firm to conduct a comprehensive, nationwide search—considering both internal and external candidates—to identify a permanent CFO.
Miller Bermuda Expansion: In a separate yet strategically significant move, London-based independent specialist re/insurance broker Miller announced the appointment of Harry Vickers as Senior Director of Property for Miller Bermuda.
Strategic Mandate for Miller: Vickers, joining from rival firm Gallagher, has been tasked with leading Miller’s Bermuda direct and facultative (fac) offering. He will work in close coordination with London-based teams to scale up international property solutions, representing a cornerstone of Miller’s broader expansion strategy in the region through 2026 and beyond.
2. Chronology of Events
Understanding the trajectory of these leadership changes requires tracing the career paths and timelines of the key executives involved.
The Aon Timeline
June 2024: Edmund Reese officially joins Aon plc as Executive Vice President and Chief Financial Officer, bringing extensive financial leadership experience to the multinational professional services firm.
August 2022 – January 2025: Nadin Virani serves as the Head of Corporate Planning and Analytics at Broadridge Financial, honing his skills in forecasting, budgeting, and capital allocation.
January 2025: Nadin Virani joins Aon, taking over the role of Global Head of Corporate Planning and Analytics. In this capacity, he assumes oversight of financial planning, analysis, cash management, budgeting, and corporate forecasting processes.
August 2026: Edmund Reese steps down from his role as CFO after a two-year tenure. Aon immediately names Nadin Virani as interim CFO. Reese transitions into a senior advisory role to CEO Greg Case, a position structured to last through August 16, 2027, to guarantee a seamless handoff of financial duties.
The Miller Bermuda Timeline
Pre-2026: Harry Vickers builds a robust reputation within the international insurance market, developing specialized expertise in complex property risks and cultivating a deep understanding of the direct and facultative re/insurance market anchored in Bermuda.
Mid-2026: Vickers departs Arthur J. Gallagher & Co. (Gallagher) to join independent specialist broker Miller.
August 2026: Miller officially announces Vickers’ appointment as Senior Director, Property, for Miller Bermuda. His arrival instantly activates a new phase of growth for Miller’s Bermuda platform, with a mandate to develop additional insurance lines in the region throughout 2026 and subsequent years.
3. Supporting Data and Executive Backgrounds
The professional backgrounds of Virani, Reese, and Vickers highlight the high caliber of talent driving these institutional developments.
Nadin Virani: A Deep Bench of Financial Expertise
Before stepping into the interim CFO role at Aon, Nadin Virani accumulated nearly two decades of high-level financial and operational experience across diverse segments of the financial services industry:
American Express (18-year tenure): Virani spent nearly two decades at American Express, holding various CFO positions across major global financial hubs, including London, Frankfurt, and New York. His responsibilities spanned critical business units such as international and U.S. lending, customer loyalty programs, insurance lines, and merchant pricing strategies. He also served as General Manager for the prominent Delta Amex Co-Brand portfolio.
Broadridge Financial Solutions: Prior to joining Aon in early 2025, Virani was the Head of Corporate Planning and Analytics at Broadridge Financial from August 2022 to January 2025.
Aon Corporate Planning: At Aon, Virani managed global corporate planning and analytics, giving him a granular, end-to-end understanding of the company’s financial architecture, capital deployment strategies, and operational efficiencies before ascending to the CFO office.
Edmund Reese: A Legacy of Disciplined Execution
During his two-year run as CFO, Edmund Reese played an integral role in steering Aon’s financial strategy. CEO Greg Case publicly credited Reese with being a driving force behind the consistent execution of Aon’s strategic 3×3 Plan. Reese’s relentless focus on operational performance helped enhance the firm’s analytical and financial capabilities, accelerate top-line growth, and deliver tangible economic value to shareholders. His extended advisory tenure through mid-2027 ensures that Aon will retain institutional knowledge during the search for a permanent successor.
Harry Vickers: Complex Property Specialist
Harry Vickers enters Miller Bermuda with a formidable reputation in property risk underwriting and brokerage.
Experience at Gallagher: Vickers joins Miller from Gallagher, where he specialized in navigating intricate and high-severity property risks.
Bermuda Market Insight: His deep-seated familiarity with the direct and facultative (fac) market in Bermuda positions him uniquely to bridge the capabilities of the island’s specialized reinsurance hub with global capital markets.
4. Official Responses and Leadership Commentary
Corporate executives from both organizations released statements emphasizing continuity, strategic growth, and appreciation for outgoing and incoming talent.
Aon Leadership Perspectives
Aon President and CEO Greg Case was quick to acknowledge Edmund Reese’s substantial contributions to the firm’s financial trajectory:
"I want to recognize Edmund for his many contributions to our firm. Through consistent execution of our 3×3 Plan and a relentless and disciplined focus on performance, Edmund has helped to enhance our capabilities, accelerate growth and deliver meaningful value for our shareholders."
Turning to the appointment of Nadin Virani, Case expressed total confidence in the interim CFO’s ability to maintain strategic momentum:
"As global head of Corporate Planning and Analytics and a member of our Aon Executive Committee, Nadin has played a central role in strengthening our financial performance and developing our strategy to drive sustainable growth across our firm. His financial expertise and proven leadership will be invaluable as we continue to accelerate our Aon United strategy and create better outcomes for clients and shareholders."
Miller Bermuda Leadership Perspectives
The leadership team at Miller welcomed Harry Vickers with high expectations for the firm’s localized expansion in the Atlantic reinsurance capital. David Porter, Head of Insurance at Miller Bermuda, stated:
"Harry’s appointment marks another important milestone for our Bermuda platform. We are delighted to have him lead our expansion into the property market, with a clear focus on large and complex risks that demand the combined expertise and capacity of the London and Bermuda insurance markets."
Harry Vickers shared his enthusiasm for joining the independent wholesale brokerage and expanding its footprint:
"Miller’s position as a leading independent wholesale broker makes this an incredibly exciting opportunity, and I look forward to growing the property offering in Bermuda alongside the talented teams in London."
5. Implications for the Industry
These simultaneous moves at Aon and Miller Bermuda carry significant tactical and strategic implications for the broader insurance and reinsurance brokerage landscape.
Aon’s Financial Continuity and Strategic Execution
While sudden CFO departures can sometimes rattle investor confidence, Aon’s structured transition plan—retaining Reese as a senior adviser for nearly a year and appointing an internal insider like Virani—is designed to signal absolute operational stability. Virani’s deep familiarity with Aon’s internal budgeting, forecasting, and analytical frameworks ensures that the firm’s ongoing corporate initiatives, notably the Aon United growth strategy and the 3×3 Plan, will face zero disruption.
Furthermore, by initiating a thorough internal and external executive search for a permanent CFO, Aon demonstrates a commitment to governance best practices, ensuring that whoever ultimately takes the permanent seat is vetted against both global corporate benchmarks and intimate firm-level requirements.
Miller Bermuda and the Rise of Specialized Hubs
Miller’s acquisition of Harry Vickers from Gallagher highlights an ongoing trend among independent brokers: bolstering specialized regional hubs to capture complex, high-capacity risks. Bermuda remains a vital global epicenter for property catastrophe and large-scale commercial lines. By establishing a robust direct and facultative property offering led by seasoned talent like Vickers, Miller is systematically bridging the gap between local Bermuda underwriting capacity and international placement teams in London.
This appointment is part of a broader roadmap for Miller, which signals intent to develop additional specialty insurance lines across the Bermuda region through the remainder of 2026 and into the future. For clients, this means enhanced access to tailored, innovative solutions capable of absorbing increasingly volatile global property risks driven by climate change, inflation, and geopolitical uncertainty.
Conclusion
As the insurance sector navigates a complex economic environment characterized by evolving risk profiles and heightened capital discipline, leadership agility remains paramount. Whether through Aon’s seamless management of an executive transition or Miller Bermuda’s aggressive scaling of its property capabilities, these personnel moves reflect an industry constantly adapting to deliver superior outcomes for shareholders, risk-bearers, and corporate clients alike.
