Katherine J. Brennan

Deputy General Counsel, Corporate Secretary & Chief Compliance Officer at Marsh & McLennan Companies, Inc.

Katherine J. Brennan

Katherine J. Brennan

Deputy General Counsel, Corporate Secretary & Chief Compliance Officer at Marsh & McLennan Companies, Inc.

Biography

Katherine J. Brennan is Secretary & Chief Compliance Officer at Marsh & McLennan Cos., Inc. In the past Ms. Brennan held the position of Secretary, Senior VP & Deputy General Counsel at S&P Global, Inc. She received an undergraduate degree from Duke University and a graduate degree from the University of Virginia School of Law.

Overview
Career Highlights

Guy Carpenter & Co. LLC

RelSci Relationships

2605

Number of Boards

1

Relationships
RelSci Relationships are individuals Katherine J. Brennan likely has professional access to. A relationship does not necessarily indicate a personal connection.

Chairman of Guy Carpenter & Co., LLC at Marsh & McLennan Companies, Inc.

Relationship likelihood: Strong

Chief Executive Officer at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Chairman, London North America Business at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Future President & Chief Executive Officer at AIG Japan Holdings KK (Effective 2021)

Relationship likelihood: Strong

Chief Financial Officer at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Managing Director & Chief Counsel, Global Capital Solutions Group at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Head of London Marine London at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Former Chief Executive Officer-US Operations at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

Chief Information Officer at Guy Carpenter & Co. LLC

Relationship likelihood: Strong

President & Chief Executive Officer at Marsh LLC

Relationship likelihood: Strong

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Katherine J. Brennan
Deputy General Counsel, Corporate Secretary & Chief Compliance Officer at Marsh & McLennan Companies, Inc.
Education
Class of 2003

Founded by Thomas Jefferson in 1819, the University of Virginia School of Law is a world-renowned training ground for distinguished lawyers and public servants. Consistently ranked among the top law schools in the nation, Virginia has educated generations of lawyers, instilling in them a commitment to leadership, integrity and community service. Virginia is justly famous for its collegial environment that bonds students and faculty, and student satisfaction is consistently cited as among the highest in American law schools. At Virginia, law students share their experiences in a cooperative spirit, both in and out of the classroom, and build a network that lasts well beyond their three years here. With more than 20,000 students and a faculty of more than 2,100, the University of Virginia has been ranked first or second among the nation's public universities since 1984. The University's diverse intellectual life is open to law students: Up to 12 credits from other departments may be counted toward the J.D. degree.

Class of 1999

Duke University is an academic university that offers undergraduate, graduate and professional programs. It also has publications and research services. The university was founded in 1838 and is headquartered in Durham, NC.

Career History
Deputy General Counsel, Corporate Secretary & Chief Compliance Officer
2017 - Current

Marsh & McLennan Cos., Inc. is a professional services firm, which offers clients advice and solutions in risk, strategy and people. It operates through the following business segments: Risk & Insurance Services, and Consulting. The Risk and Insurance Services segment includes risk management activities, as well as insurance and reinsurance broking and services. The Company conducts business in this segment through Marsh and Guy Carpenter. The Consulting segment includes health, wealth & career services & products, specialized management, economic and brand consulting services. The firm conducts business in this segment through Mercer and Oliver Wyman Group. Marsh & McLennan Cos was founded by Henry W. Marsh and Donald R. McLennan in 1871 and is headquartered in New York, NY.

Secretary, Senior Vice President & Deputy General Counsel
Tenure Unconfirmed

S&P Global, Inc. engages in the provision of transparent and independent ratings, benchmarks, analytics and data to the capital and commodity markets worldwide. It operates through the following segments: Ratings, Market Intelligence, Platts and Indices. The Ratings segment offers credit ratings, research, and analytics to investors, issuers, and other market participants. The Market Intelligence provides multi-asset-class data, research and analytical capabilities, which integrate cross-asset analytics and desktop services. The Platts segment provides information and benchmark prices for the commodity and energy markets. The Indices segment provides variety of valuation and index benchmarks for investment advisors, wealth managers and institutional investors. The company was founded by James H. McGraw and John A. Hill in 1917 and is headquartered in New York, NY.

General Counsel
2014 - Prior

Guy Carpenter & Co. LLC provides reinsurance services. Its services include accident and health, agriculture, environmental, general casualty, investment banking, life and annuity, marine and energy, property, and workers compensation. The company was founded in 1921 by Guy Carpenter and is headquartered in New York, NY.

Boards & Committees
Member, Board of Managers
2014 - Current

Guy Carpenter & Co. LLC provides reinsurance services. Its services include accident and health, agriculture, environmental, general casualty, investment banking, life and annuity, marine and energy, property, and workers compensation. The company was founded in 1921 by Guy Carpenter and is headquartered in New York, NY.

Political Donations
$250
2009
Transactions
Details Hidden

Marsh & McLennan Companies, Inc. purchases JLT Group Holdings Ltd.

Other Affiliations
This web site is not endorsed by, directly affiliated with, maintained, authorized, or sponsored by Katherine J. Brennan. The use of any trade name or trademark is for identification and reference purposes only and does not imply any association with the trademark holder. The Presence of Katherine J. Brennan's profile does not indicate a business or promotional relationship of any kind between RelSci and Katherine J. Brennan.