Insurance Portfolio Manager

US Insurance - Senior Portfolio Manager

Mercer is hiring a Senior Portfolio Manager to join the office of the Chief Investment Officer, focused on the Insurance segment. They will have responsibility for managing total portfolios for insurance investors based on their stated objectives, which will require a strong understanding of multi-asset with particular emphasis on fixed income and alternatives. The role requires deep insurance expertise to ensure portfolios are designed and managed in accordance with insurance specific requirements.

The potential locations for the role are Boston, New York and Chicago.

The candidate will benefit from the scale and reach of an existing insurance client base of over $215bn Assets under Advisement in the U.S. region (as of December 31, 2025). S/he will be a part of a high-performing portfolio management team with a proven track record of bringing innovative solutions to the market and delivering strong outcomes for clients. Working closely with specialist teams across the firm, the candidate will have unparalleled access to some of the leading investment research across the industry.

The role will offer the ability to implement these ideas on behalf of our insurance investors across the region.

• Integrate into a high performing multi-segment, multi-asset class portfolio management team that is collectively responsible for overseeing >$264bn Assets under Management in the U.S. region (as of 31 March 2026) across a range of solutions spanning the full risk and return spectrum.
• Collaborate with Mercer's US insurance segment leadership and consultants, support prospecting efforts and client conversations, including innovative client solutions as well as general marketing efforts.
• Serve as voting member on Mercer's U.S. Insurance Investment Committee, responsible for overseeing the design of investment solutions that align with the client's risk, income, capital and regulatory objectives, expressed through their IPS and Mercer's guidelines.
• Lead the day-to-day management of investment solutions for Insurance clients with clear adherence to Mercer's governance framework, investment philosophy and process, and operating protocols while collaborating with multiple different teams across the business. This will include liaising with the insurance investment strategy teams as well as back and middle office functions to ensure effective implementation of investment decision making. This will also include supporting a strong partnership with Compliance.
• Contribute to investment philosophy, portfolio construction and manager selection for our insurance client portfolios.
• Help design, diligence and implement new and complex investment solutions while supporting business development and client management initiatives.
• Represent the portfolio management team internally and externally (including at C-Suite levels).
• Demonstrate a deep understanding of all asset classes relevant for insurance allocators, to include the intersection of capital, regulatory, tax and accounting considerations when considering a strategy, implementation and/or vehicle.
• Pro-actively identify and manage value-added ad hoc projects, both internally and for clients.
• In partnership with Asset Class and Insurance Strategy Specialists who conduct manager research, oversee selection, guidelines and ongoing discussions with asset managers who are executing specific mandates on behalf of Mercer insurance clients.
• Present to clients, including Management and Investment Committees, on markets, portfolios and performance with clarity and confidence, backed up by a detailed understanding of the subject matter.
• Collaborate with other Marsh entities in the execution and delivery of joint services.
• Be a subject matter expert across Insurance clients.
• Participate in all portfolio management team meetings, group projects, town halls and team activities.
• Train and mentor junior colleagues.
• Help create and drive insurance thought leadership via Mercer's Intellectual Capital Teams.
• Help develop pitchbooks and training materials, as needed.

• Strong understanding of Insurance investor requirements, grounded in liability-driven investment principles. This includes regulatory requirements, insurance constraints (i.e., regulatory capital, gain / loss realization, asset-liability matching), investment objectives (i.e., total return vs book yield), capital efficiency (multiple frameworks), rating agency considerations, GAAP vs. STAT accounting, tax optimizations, etc.
• Demonstrated ability to construct portfolios that align asset duration, credit risk, and cash flows with client liability profiles while maintaining book yield/total return targets and managing spread duration and reinvestment risk.
• Deep markets and investment expertise, with an emphasis on private markets and the full spectrum of fixed income investing.
• Critical thinking, natural curiosity and problem solving capabilities, with…