William Duffy

Active New York, NY — Treasurer for Assured Guaranty Municipal Corp.

William Duffy Overview

William Duffy has been associated with three companies, according to public records. The companies were formed over a twenty-six year period with the most recent being incorporated twelve years ago in July of 2014. Two of the companies are still active while the remaining one is now listed as inactive.

Background Report for William J. Duffy

Includes Age, Location, Address History for William J. Duffy
Arrest, Criminal, & Driving Records
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Name	Status	Incorporated	Key People	Role
Assured Guaranty Municipal Corp.	Active	1987	16	Treasurer
Assured Guaranty Inc.	Active	1991	14	Treasurer
Municipal Assurance Corp.	Inactive	2009	20	Treasurer

Connections for William Duffy

A connection is made when two people are officers, directors, or otherwise associated with the same company. William has twenty-nine known connections and has the most companies in common with Robert Bailenson.

Robert A. Bailenson

Robert A. Bailenson has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Active	1987	16	Director
A-------------------.	Active	1991	14	Director
M-----------------------.	Inactive	2009	20	Director

Dominic J. Frederico

Dominic J. Frederico has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Active	1987	16	Chairman
A-------------------.	Active	1991	14	Chairman
M-----------------------.	Inactive	2009	20	Chairman

Howard W. Albert

Howard W. Albert has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	Director
A-------------------.	Inactive	1991	14	Director
M-----------------------.	Inactive	2009	20	Director

Russell B. Brewer

Russell B. Brewer has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	Director
A-------------------.	Inactive	1991	14	Director
M-----------------------.	Inactive	2009	20	Director

James M. Michener

James M. Michener has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	Director
A-------------------.	Inactive	1991	14	Director
M-----------------------.	Inactive	2009	20	Director

Robert B. Mills

Robert B. Mills has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	CFO
A-------------------.	Inactive	1991	14	CFO
M-----------------------.	Inactive	2009	20	Director

Donald H. Paston

Donald H. Paston has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	Treasurer
A-------------------.	Inactive	1991	14	Treasurer
M-----------------------.	Inactive	2009	20	Director

Holly Horn

Holly Horn has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Active	1987	16	Director
A-------------------.	Active	1991	14	Director

Neal J. Taber

Neal J. Taber has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Active	1987	16	Treasurer
A-------------------.	Active	1991	14	Treasurer

Dennis H. Kim

Dennis H. Kim has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	Treasurer
A-------------------.	Inactive	1991	14	Treasurer

Sean W. McCarthy

Sean W. McCarthy has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	President
A-------------------.	Inactive	1991	14	COO

Tobias Bachteler

Tobias Bachteler has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Director

David J. Beidler

David J. Beidler has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Director

Derek V. Brummer

Derek V. Brummer has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Director

Kevin Charlton

Kevin Charlton has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Director

Robert P. Cochran

Robert P. Cochran has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	CEO

Bret S. Derman

Bret S. Derman has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Director

Dominic John Federico

Dominic John Federico has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
A------------------------------.	Inactive	1987	16	President

Kathleen Hahn

Kathleen Hahn has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Treasurer

Richard Kolman

Richard Kolman has the following companies in common with William Duffy

Name	Status	Incorporated	Key People	Role
M-----------------------.	Inactive	2009	20	Vice President

Source

Florida Department of State
Data last refreshed on Friday, July 10, 2026

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William Duffy

Active New York, NY — Treasurer for Assured Guaranty Municipal Corp.

William Duffy Overview

Background Report for William J. Duffy

Companies for William Duffy

Connections for William Duffy

Source

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