MSIG USA continues to grow!

Company Overview:

MSIG USA is the US-based subsidiary of MS&AD Insurance Group Holdings, Inc., one of the world’s top P&C carriers and a global Class 15 insurer, with A+ ratings and a reach that spans 40+ countries and regions. Leveraging our 350-year heritage, MSIG USA brings the financial strength, expertise, and global footprint to offer commercial insurance solutions that address your business’s unique risks.

Position Overview

The Senior Accountant, Delegated Program Finance Business Partner supports delegated authority and program business within a Property & Casualty insurance environment. Reporting to the Director, Delegated Program Finance Business Partner, this position supports an assigned segment of the delegated program portfolio. The role executes defined Finance activities, including bordereaux operational coordination, controls, reconciliations, settlement monitoring, forecasting support, and exception management for assigned programs.

The role operates within an increasingly automated delegated operating model for bordereaux tracking and ingestion, journal entries, reconciliations, cash application, balance settlement, controls, and reporting. Primary responsibilities include reviewing automated outputs, executing and documenting controls, coordinating cross-functional issues, performing financial analysis, and resolving or escalating exceptions. The role partners with Delegated Underwriting, Claims Operations, Technology, Actuarial, and Data teams in accordance with defined functional ownership and handoffs.

Key Responsibilities

Finance Reporting, Accounting & Analysis

Support monthly, quarterly, and annual financial reporting, accounting, settlement, and close processes for assigned delegated programs, leveraging automated solutions wherever possible.
Review automated delegated program bordereaux accounting and reporting outputs, prepare journal entries as needed, review reinsurance cessions, execute defined controls, investigate material exceptions, and coordinate resolution with Finance, Operations, Reinsurance, and Technology stakeholders.
Prepare GWP forecasts for assigned delegated programs in accordance with Director-established methodologies and timelines; maintain supporting assumptions and documentation; analyze actual-to-forecast results; and escalate material variances, risks, opportunities, and required forecast changes.
Maintain and review program-level reconciliations, balance sheet reconciliations, account analyses, aging, settlement positions, and related financial reporting to ensure accuracy and timely resolution of exceptions.
Ensure the accuracy, completeness, and timeliness of Finance-owned data, accounting outputs, reporting, and supporting documentation.
Prepare and maintain workpapers supporting financial reporting, regulatory filings, management reporting, audits, and other Finance requirements.
Provide financial analysis and insights to support program performance monitoring, decision-making, and issue resolution.

Governance, Financial Oversight & Compliance

Execute and monitor assigned-program financial reporting, reconciliations, settlements, bordereaux controls, and exception-management activities to support accurate and timely financial results.
Execute and document delegated program controls in accordance with the control and governance framework, monitor compliance, and escalate identified deficiencies or exceptions.
Coordinate resolution and escalation of material financial, bordereaux, data quality, and operational issues with internal and external stakeholders.
Support audits, maintain assigned procedures and supporting documentation, and perform Finance readiness activities for new or evolving delegated programs.

Process Optimization & Automation

Partner with the Director and responsible functional teams to test and improve automation for bordereaux tracking, ingestion monitoring, journal entries, reconciliations, cash application, balance settlement, controls, and reporting; review automated outputs and escalate recurring exceptions or control concerns.
Recommend enhancements to bordereaux files, tracking tools, data templates, validation rules, issue workflows, and reporting requirements to improve timeliness, data quality, and reduce manual intervention.
Participate in the testing, upgrades, and process improvement initiatives supporting delegated programs.

Business Partnership & Communication

Serve as the day-to-day Finance and bordereaux coordination contact for assigned delegated programs, operating within defined handoffs and directing underwriting decisions, claims evaluation, actuarial analysis, enterprise data matters, and technical remediation to the responsible functional owners.
Build effective working relationships with MGAs, carriers, TPAs, Claims Operations, Delegated Underwriting, Technology, Actuarial, Data, and other internal partners.
Provide concise updates on financial reporting, reconciliations, settlements, bordereaux receipt status, open issues, aging, remediation, and required actions.
Escalate material financial, control, bordereaux, or settlement risks promptly to the Director.

Required Qualifications

Bachelor's degree in Accounting, Finance, or a related field.
5+ years of progressive experience in Property & Casualty insurance, delegated authority, program business, premium accounting, claims accounting, bordereaux processing, or related Finance operations.
Experience supporting financial reporting, accounting close processes, balance sheet reconciliations, account analysis, cash and settlement processes, internal controls, and exception management.
Demonstrated understanding of delegated authority operations, including premium, claims, and exposure bordereaux structures, contractual reporting requirements, and program business operations.
Demonstrated analytical, reconciliation, documentation, problem-solving, and issue-management skills.
Advanced proficiency in Microsoft Excel and experience with general ledger, insurance administration, reconciliation, reporting, or data analytics platforms.
Strong communication and collaboration skills with the ability to work effectively across Finance, Underwriting, Claims Operations, Actuarial, Technology, Data, and external business partners.

Preferred Qualifications

CPA designation or active progress toward CPA certification.
Experience operating within or supporting highly automated financial and operational processes.
Familiarity with premium accounting, claims accounting, loss reserving concepts, and program bordereaux processes.
Experience with coordinating with MGAs, carriers, TPAs, Claims Operations, and other stakeholders to resolve delivery, data quality, and processing issues.
Experience supporting finance transformation, process improvement, automation, or system implementation initiatives.


Salary: The base pay range is $125,000.00 - $150,000.00 . Salary determinations are based on various factors, including but not limited to, relevant work experience, skills, certifications and location.

Additional Benefits:
Healthcare and Retirement Benefits

Comprehensive medical, dental, and vision coverage

401(k) with a generous employer match and profit-sharing contribution

Wellness incentive program

Life and accidental death and dismemberment (AD&D) insurance

Flexible spending programs

Short-term and long-term disability plans

Additional Benefit Programs
Paid time off program

Paid charitable leave

Paid parental leave

Tuition reimbursement program

Personal insurance (auto/homeowners) discounts

#LI-HYBRID


It's an exciting time for our company and a great opportunity to join a financially sound and growing global insurance group!

It is the policy of MSIG USA to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, MSIG USA will provide reasonable accommodations for qualified individuals with disabilities.

About the company

MSIG USA provides commercial property and casualty insurance to U.S.-based and multinational businesses, with tailored coverage across property, casualty, marine, and financial lines (including D&O and cyber). It writes standard policies and specialized programs, and has recently established MSIG Specialty Insurance America to underwrite non-admitted business. A core part of its model is risk engineering, loss prevention, and in-house claims management (handling over 90% of claims directly) to deliver efficient service. The company differentiates itself through the backing of the MS&AD Insurance Group (a financially strong parent), a history of large-scale P&C capacity, and a focus on customized solutions for complex exposures. Its goal is to help organizations manage sophisticated risks across all 50 states, including multinational clients, by offering comprehensive coverage and proactive risk management.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

New York City, New York

Founded

N/A

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Simplify's Take

What believers are saying

September 29, 2026 Aguilar hire deepens E&S property capability and broker relationships.
August 2026 Botkin promotion exports MSIG USA underwriting discipline across MS&AD globally.
February and July 2026 IFC and DEG deals expand fee-like specialty volume fast.

What critics are saying

Rapid hiring of Brodzinski, Aguilar, and Dougherty risks integration friction in 2026.
E&S property faces entrenched rivals like Liberty Mutual, AXA XL, and Ascot.
Large credit and surety bets amplify accumulation losses; a bad cycle could cripple growth.

What makes MSIG USA unique

MSIG USA leverages MS&AD's A+ balance sheet and 350-year underwriting heritage in 2026.
June 2026 Celent recognized MSIG USA for data, analytics, and AI underwriting.
MSIG USA launched Surety on August 25, 2026, extending specialty breadth quickly.

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Benefits

Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
Health Savings Account/Flexible Spending Account
Hybrid Work Options
Wellness Program
401(k) Company Match
Profit Sharing
Tuition Reimbursement
Employee Discounts

Company News

Reinsurance News

Sep 30th, 2026

MSIG USA names Oscar Aguilar as Head of E&S Property.

MSIG USA names Oscar Aguilar as Head of E&S Property. 30th September 2026 - Author: Saumya Jain - MSIG USA, the US specialty insurance arm of the global MS&AD Insurance Group, has appointed Oscar Aguilar as Head of Excess and Surplus (E&S) Property. In his new role, Aguilar will lead the strategy and develop MSIG USA's E&S property business, focused on disciplined underwriting, portfolio performance, and sustainable growth. He will also work closely with underwriting and distribution teams to build capabilities catering to the evolving needs of brokers and clients while leveraging data and technology. Aguilar has over two decades of underwriting and leadership experience in the property market, with deep expertise in E&S, shared and layered property, and complex commercial risks. He also has expertise in retail and wholesale distribution, primary and excess property, facultative reinsurance, and middle-market and large commercial accounts. Most recently, Aguilar served at Liberty Mutual Insurance as Senior Vice President (SVP) and National Manager for major accounts in property, shared and layered. Previously, he led Liberty Mutual's US retail property and spent six years at Ironshore Insurance, where he managed wholesale property across the Western and South Central regions. Earlier in his career, Aguilar served as SVP at Brit Insurance, leading E&S property underwriting and support teams responsible for building a profitable portfolio, developing talent and advancing product capabilities. He also held underwriting and senior roles at Maiden Reinsurance North America, GMAC RE, SRO Napa, St. Paul Companies and Sherwood Insurance. Peter McKenna, Chief Executive Officer, MSIG USA, commented on the appointment, "Oscar brings the depth of underwriting expertise and market perspective that are essential to building a differentiated E&S property business. "He has spent his career navigating complex property risks while building strong relationships across both the retail and wholesale markets. "That combination of technical discipline, market knowledge and leadership will be important as we expand our capabilities and create a platform that brokers can rely on for expertise, responsiveness and thoughtful solutions."

PR Newswire

Sep 29th, 2026

MSIG USA names Oscar Aguilar head of excess and surplus property

MSIG USA has appointed Oscar Aguilar as head of excess and surplus property. Aguilar brings over 20 years of underwriting and leadership experience in the property market, with expertise in E&S, shared and layered property, and complex commercial risks. Aguilar joins from Liberty Mutual Insurance, where he most recently served as senior vice president and national manager of major accounts property, shared and layered. He previously led US retail property for Liberty Mutual and spent six years at Ironshore Insurance managing wholesale property across the Western and South Central regions. In his new role, Aguilar will lead the strategy and development of MSIG USA's E&S property business, focusing on disciplined underwriting, portfolio performance and sustainable growth.

Mining Stock Education

Sep 29th, 2026

MSIG USA appoints Oscar Aguilar as head of excess and surplus property.

MSIG USA appoints Oscar Aguilar as head of excess and surplus property. Posted on September 29th, 2026 | Filed under Press Releases NEW YORK, Sept. 29, 2026 /PRNewswire/ - MSIG USA today announced the appointment of Oscar Aguilar as head of excess and surplus property. Aguilar brings more than two decades of underwriting and leadership experience in the property market, with deep expertise in E&S, shared and layered property, and complex commercial risks. Aguilar joins MSIG USA from Liberty Mutual Insurance, where he most recently served as senior vice president and national manager of major accounts property, shared and layered. He previously led U.S. retail property for Liberty Mutual and spent six years at Ironshore Insurance, where he managed wholesale property across the Western and South Central regions. Earlier in his career, Aguilar served as senior vice president at Brit Insurance, leading E&S property underwriting and support teams with responsibility for building a profitable portfolio, developing talent and advancing product capabilities. He also held underwriting and leadership roles at Maiden Reinsurance North America, GMAC RE, SRO Napa, St. Paul Companies and Sherwood Insurance. His experience spans retail and wholesale distribution, primary and excess property, facultative reinsurance, and middle-market and large commercial accounts. "Oscar brings the depth of underwriting expertise and market perspective that are essential to building a differentiated E&S property business," said Peter McKenna, CEO of MSIG USA. "He has spent his career navigating complex property risks while building strong relationships across both the retail and wholesale markets. That combination of technical discipline, market knowledge and leadership will be important as we expand our capabilities and create a platform that brokers can rely on for expertise, responsiveness and thoughtful solutions." As head of excess and surplus property, Aguilar will lead the strategy and development of MSIG USA's E&S property business, with a focus on disciplined underwriting, portfolio performance and sustainable growth. He will work closely with underwriting and distribution leadership to build capabilities that respond to the evolving needs of brokers and clients while leveraging data and technology to support more informed decision-making and efficient execution. Aguilar holds an MBA and a Bachelor of Science in business administration from California Coast University. About MSIG USA MSIG USA is the marketing term used to refer to MSIG Holdings (U.S.A.), Inc. ("MSIGH"), its insurance subsidiaries, and their manager. MSIGH's insurers are Mitsui Sumitomo Insurance Company of America, Mitsui Sumitomo Insurance USA Inc., MSIG Specialty Insurance USA Inc. and MSIG Specialty Insurance America, Inc. The insurers are managed by Mitsui Sumitomo Marine Management (U.S.A.), Inc. MSIGH is a subsidiary of MS&AD Insurance Group Holdings, Inc., one of the world's top P&C carriers with a 350-year heritage, A+, Class 15 ratings, and a global reach that spans 48 countries and regions. MSIG USA brings the financial strength, underwriting expertise, exceptional claims management, global footprint, and innovation necessary to offer commercial insurance solutions that address the unique risks businesses face in today's market. Its nationwide network of professionals provides responsive and personalized service for clients and brokers. The U.S.-based insurance subsidiaries are admitted in all P&C lines in all 50 states, the District of Columbia, and Puerto Rico. Not all insurers do business in all jurisdictions. Actual coverage is subject to the language of the policies as issued. To learn more, visit www.msigusa.com. SOURCE MSIG USA

PR Newswire

Aug 26th, 2026

MSIG USA chief underwriting officer Brian Botkin promoted to international chief underwriting officer for MS&AD.

MSIG USA chief underwriting officer Brian Botkin promoted to international chief underwriting officer for MS&AD. Aug 26, 2026, 09:17 ET NEW YORK, Aug. 26, 2026 /PRNewswire/ - MSIG USA today announced that Brian Botkin, chief underwriting officer of MSIG USA, has been promoted to international chief underwriting officer for MS&AD Insurance Group, expanding his leadership responsibilities across the organization's global insurance operations. Botkin has played an important role in MSIG USA's transformation and growth, leading enterprise underwriting strategy and advancing greater consistency, discipline and portfolio insight across the organization. As chief underwriting officer, he has worked closely with business leaders to align underwriting strategy with MSIG USA's growth objectives while advancing the use of data and analytics to support underwriting decisions. In his new role, Botkin will bring that experience to MS&AD's global operations, helping advance underwriting strategy, governance and portfolio management across markets. His appointment comes as MS&AD continues to expand its international specialty capabilities and further connect underwriting expertise across its global businesses. "Brian's promotion is a tremendous recognition of the leadership and impact he has demonstrated at MSIG USA," said Peter McKenna, chief executive officer of MSIG USA. "He has been instrumental in advancing our underwriting organization as we have grown, bringing greater rigor and insight to how we manage our portfolio while never losing sight of the importance of underwriting expertise and judgment. We are proud to see Brian take on this global role and know the perspective he has developed here in the U.S. will make an important contribution to MS&AD's continued growth." "Brian brings a deep understanding of specialty underwriting and the experience of operating in one of the world's most dynamic insurance markets," said Hironori Morimoto, Group Chief Global Officer, Senior Managing Executive Officer of MS&D. "In this expanded role, he will help connect underwriting expertise and best practices across our businesses, enabling us to bring greater consistency and insight to how we evaluate and manage risk globally." Botkin's promotion also reflects the increasingly important role MSIG USA plays within MS&AD's global strategy. As MSIG USA continues to build a market-leading, data-driven specialty insurer in the United States, sharing talent, expertise and capabilities across the broader organization creates opportunities to advance underwriting excellence and support sustainable growth across the Group. About MSIG USA MSIG USA is the marketing term used to refer to MSIG Holdings (U.S.A.), Inc. ("MSIGH"), its insurance subsidiaries, and their manager. MSIGH's insurers are Mitsui Sumitomo Insurance Company of America, Mitsui Sumitomo Insurance USA Inc., MSIG Specialty Insurance USA Inc. and MSIG Specialty Insurance America, Inc. The insurers are managed by Mitsui Sumitomo Marine Management (U.S.A.), Inc. MSIGH is a subsidiary of MS&AD Insurance Group Holdings, Inc., one of the world's top P&C carriers with a 350-year heritage, A+, Class 15 ratings, and a global reach that spans 48 countries and regions. MSIG USA brings the financial strength, underwriting expertise, exceptional claims management, global footprint, and innovation necessary to offer commercial insurance solutions that address the unique risks businesses face in today's market. Its nationwide network of professionals provides responsive and personalized service for clients and brokers. The U.S.-based insurance subsidiaries are admitted in all P&C lines in all 50 states, the District of Columbia, and Puerto Rico. Not all insurers do business in all jurisdictions. Actual coverage is subject to the language of the policies as issued. To learn more, visit www.msigusa.com. SOURCE MSIG USA

MSIG USA

Aug 25th, 2026

MSIG USA launches surety business.

MSIG USA launches surety business. August 25, 2026 MSIG USA today announced the launch of its Surety business, offering Commercial and Commercial Contract Surety solutions to brokers and clients across the U.S. The launch brings together MSIG USA's A+, Class XV financial strength and global reach with specialized surety expertise and a data-driven approach to underwriting. MSIG USA is also a U.S. Treasury Listed Surety with a maximum underwriting limitation of $124,003,000 per bond, supporting its ability to meet the needs of organizations with a range of financial and contractual obligations. "The surety market continues to grow, creating an opportunity to respond to evolving needs from our brokers and their clients," said Daniel Riordan, SVP, Political Risk, Credit & Surety at MSIG USA. "Surety is also a natural extension of our Political Risk and Credit capabilities, building on our expertise in complex financial and contractual risks as we continue to expand our specialty business." The business is led by Patrick Dougherty, Head of Surety, who brings nearly two decades of experience across underwriting, distribution and business leadership. Dougherty joined MSIG USA after serving as Senior Director of Surety at Willis Towers Watson. Previously, he served as Head of Commercial Bond at AXA XL and held leadership roles at Nationwide Mutual Surety and Liberty Mutual Surety. Dougherty is joined by Doug Schmude, Underwriting Director; Matthew Cook, Underwriting Director; and Charles Busch, Underwriter, establishing a team with deep experience across commercial surety and underwriting. "As clients take on increasingly complex financial and contractual obligations, the role of a surety partner extends well beyond providing a bond," said Dougherty. "We want to understand where our clients are headed and bring together underwriting experience and data-driven insights to structure solutions that support their objectives and help them create opportunities for long-term growth." The Surety launch is part of MSIG USA's broader strategy to become a market-leading, data-driven specialty insurer. By expanding its capabilities across Political Risk, Credit and Surety, MSIG USA continues to build specialized solutions for organizations navigating increasingly complex financial and business environments.