Lester Knight

Chairman at AON PLC

Net worth: 94 M $ as of 2026-05-30

67 year

96 connections

Finance

Consumer Services

Health Technology

Profile

Mr. Lester B. Knight is an Independent Non-Executive Chairman at Aon Plc, a Founding Partner & Chairman at Roundtable Healthcare Management, Inc., an Independent Non-Executive Chairman at Aon Plc (United Kingdom) and a Partner at RoundTable Healthcare Partners LP. He is on the Board of Directors at ASP Health, Inc., Evanston Northwestern Healthcare Foundation, Junior Achievement of Chicago, Northern Star Broadcasting LLC, Northshore University Healthsystem and Northwestern University. Mr. Knight was previously employed as a Chairman by Harmony Foods Corp., a Chairman & Chief Executive Officer by Allegiance Corp., a Director & Executive Vice President by Baxter International, Inc., a Chairman by Baxter International Foundation, and a Vice Chairman by Cardinal Health, Inc. He received his undergraduate degree from Cornell University and an MBA from Cornell University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
AON PLC CLASS A 0.14%	2026-06-24	298,864 ( 0.14% )	94 M $	2026-05-30

Lester Knight active positions

Companies	Position	Start
AON PLC	Chairman	2008-07-31
Aon Global Ltd. (United Kingdom) Aon Global Ltd. (United Kingdom) Insurance Brokers/ServicesFinance Provides insurance brokerage, risk management and human capital consulting services	Director/Board Member	2007-12-31
ASP Health, Inc. ASP Health, Inc. Medical SpecialtiesHealth Technology Operates as medical device company	Director/Board Member	-
RoundTable Healthcare Partners LP RoundTable Healthcare Partners LP Investment ManagersFinance Acts as Private Equity Fund	Corporate Officer/Principal	-
Evanston Northwestern Healthcare Foundation	Director/Board Member	2009-11-05
Roundtable Healthcare Management, Inc. Roundtable Healthcare Management, Inc. Investment ManagersFinance Roundtable Healthcare invests in companies located in the United States. The firm targets companies operating in the fields of disposables & light capital, medical devices, medical products, diagnostics, dental & dental lab products, pharmaceuticals & consumer health, laboratory products and supplies, specialty distribution, contract manufacturing and complementary outsourced services. It provides financing for mergers, acquisitions, financing and divestitures transactions.	Consultant / Advisor	2001-01-31
Junior Achievement of Chicago Junior Achievement of Chicago Miscellaneous Commercial ServicesCommercial Services Provides educational services	Director/Board Member	-
Northern Star Broadcasting LLC Northern Star Broadcasting LLC BroadcastingConsumer Services Operates radio stations	Director/Board Member	-
Northwestern University Northwestern University Other Consumer ServicesConsumer Services Functions as a College/University	Director/Board Member	-

All active positions of Lester Knight

Former positions of Lester Knight

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See the detail of Lester Knight's experience

Training of Lester Knight

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Lester Knight's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	17
Aon Global Ltd. (United Kingdom) Aon Global Ltd. (United Kingdom) Insurance Brokers/ServicesFinance Provides insurance brokerage, risk management and human capital consulting services	Finance
Baxter International, Inc. Baxter International, Inc. Medical SpecialtiesHealth Technology Produces and supplies medical products, healthcare systems, therapies and pharmaceuticals & provide kidney care services	Health Technology
Cardinal Health, Inc. Cardinal Health, Inc. Medical DistributorsDistribution Services Distributes pharmaceuticals and engages in manufacturing & sale of medical, surgical and laboratory supplies	Distribution Services
Allegiance Corp. Allegiance Corp. Medical DistributorsDistribution Services Distributes pharmaceuticals and medical supplies	Distribution Services
RoundTable Healthcare Partners LP RoundTable Healthcare Partners LP Investment ManagersFinance Acts as Private Equity Fund	Finance
Endeavor Health LLC Endeavor Health LLC Medical/Nursing ServicesHealth Services Provides healthcare delivery system solutions	Health Services
Northwestern University Northwestern University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Cornell University Cornell University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Roundtable Healthcare Management, Inc. Roundtable Healthcare Management, Inc. Investment ManagersFinance Roundtable Healthcare invests in companies located in the United States. The firm targets companies operating in the fields of disposables & light capital, medical devices, medical products, diagnostics, dental & dental lab products, pharmaceuticals & consumer health, laboratory products and supplies, specialty distribution, contract manufacturing and complementary outsourced services. It provides financing for mergers, acquisitions, financing and divestitures transactions.	Finance
Junior Achievement of Chicago Junior Achievement of Chicago Miscellaneous Commercial ServicesCommercial Services Provides educational services	Commercial Services
Northern Star Broadcasting LLC Northern Star Broadcasting LLC BroadcastingConsumer Services Operates radio stations	Consumer Services
Johnson Graduate School of Management Johnson Graduate School of Management Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Harmony Foods Corp. Harmony Foods Corp. Food: Major DiversifiedConsumer Non-Durables Manufactures confectionery delivery systems	Consumer Non-Durables
Baxter International Foundation
Evanston Northwestern Healthcare Foundation
Aon Plc Aon Plc Insurance Brokers/ServicesFinance Provides insurance and risk management services	Finance
ASP Health, Inc. ASP Health, Inc. Medical SpecialtiesHealth Technology Operates as medical device company	Health Technology