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(312) 382-3100

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Recent News:

Illinois Laid the Foundation for the Rest of My Life

Matthew DiCianni was interviewed by the University of Illinois College of Liberal Arts and Sciences for their LAS@Work profile, crediting the university for preparing him for a successful career at Cozen O’Connor.

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Established in October 2000, the firm’s Chicago office is located in the second largest downtown business district in the United States. In 2015, our Chicago presence grew with the addition of 59 attorneys from the Chicago-based Meckler, Bulger, Tilson firm.

Cozen O’Connor’s Chicago office attorneys provide clients with a wide variety of services including labor and employment, complex insurance coverage, complex product liability and tort defense, first and third-party coverage, subrogation and recovery,  commercial litigation, and white-collar defense and government investigations.  

We are committed to being active and involved in the Chicago community. Our lawyers serve on nonprofit boards and many of our lawyers and professional staff members enthusiastically serve as volunteers for area nonprofits.

People

James G. Argionis

James G. Argionis

Member

Alex Barbour

Alex Barbour

Of Counsel

David L. Barron

David L. Barron

Member

Ira Bodenstein

Ira Bodenstein

Member

Erin Bolan Hines

Erin Bolan Hines

Vice Chair, Emerging Data Privacy Trends

Kevin P. Caraher

Kevin P. Caraher

Member

Patrick L.  Carey

Patrick L. Carey

Senior Principal, Cozen O’Connor Public Strategies

Jack J. Carriglio

Jack J. Carriglio

Member

Philip T. Carroll

Philip T. Carroll

Member

Mark Willekes Cronin

Mark Willekes Cronin

Associate

Janet R. Davis

Janet R. Davis

Senior Counsel

Matthew DiCianni

Matthew DiCianni

Associate

Austin G. Dieter

Austin G. Dieter

Associate

Amy  M.  Doig

Amy M. Doig

Associate

David Doyle

David Doyle

Member

Peter Drever

Peter Drever

Counsel

John F.  Dunn

John F. Dunn

Member

Mitchell J. Edlund

Mitchell J. Edlund

Member

Wendy N. Enerson

Wendy N. Enerson

Regional Manager, Global Insurance Department – Midwest/South

Gary L. Gassman

Gary L. Gassman

Co-Vice Chair, Global Insurance Department
Regional Manager, Global Insurance Department – Midwest/South

Tia C. Ghattas

Tia C. Ghattas

Senior Counsel

Matthew T. Glavin

Matthew T. Glavin

Member

Jeremy J. Glenn

Jeremy J. Glenn

Office Managing Partner

Brittany D. Green

Brittany D. Green

Associate

Jeffrey B. Greenspan

Jeffrey B. Greenspan

Member

Allen J. Guon

Allen J. Guon

Member

Christopher S. Hennessy

Christopher S. Hennessy

Member

Corey T. Hickman

Corey T. Hickman

Member

Abigail C. Horvat

Abigail C. Horvat

Associate

Kara L. Kapp

Kara L. Kapp

Member

Tilden Katz

Tilden Katz

Senior Principal, Cozen O'Connor Public Strategies

Jonathan Levy

Jonathan Levy

Member

Patrick  G.  Martin

Patrick G. Martin

Executive Vice President, Cozen O’Connor Public Strategies

Anthony J. Morrone

Anthony J. Morrone

Chair, Subrogation & Recovery, Midwest Region

Jacob Morse

Jacob Morse

Associate

Elizabeth A. Olivera

Elizabeth A. Olivera

Associate

Katherine O’Malley

Katherine O’Malley

Attorney

Kimberly Petrina

Kimberly Petrina

Member

Matthew F. Policastro

Matthew F. Policastro

Member

Mark A. Rabinowitz

Mark A. Rabinowitz

Member

Edgar G. Rapoport

Edgar G. Rapoport

Member

Peter J. Roberts

Peter J. Roberts

Member

Jake Rubinstein

Jake Rubinstein

Member

Marisa L. Saber

Marisa L. Saber

Vice Chair, Office Managing Partner

Christina Sanfelippo

Christina Sanfelippo

Associate

Brian Shaw

Brian Shaw

Member

Melissa Siebert

Melissa Siebert

Chair, Emerging Data Privacy Trends

James I. Tarman, Jr.

James I. Tarman, Jr.

Chair, National Expansion

Joseph E. Tilson

Joseph E. Tilson

Member

Julie L. Trester

Julie L. Trester

Member

Peter J. Valeta

Peter J. Valeta

Member

Michael Weiss

Michael Weiss

Associate

Anna Wermuth

Anna Wermuth

Vice Chair, Labor & Employment Department

Brian J. Williams

Brian J. Williams

Member

Upcoming Events

Event Location Date
Affinity Fraud: Scams, Scoundrels, and Receiverships Webinar 02/28/2024

News

Illinois Laid the Foundation for the Rest of My Life

January 30, 2024 Matthew DiCianni was interviewed by the University of Illinois College of Liberal Arts and Sciences for their LAS@Work profile, crediting the university for preparing him for a successful career at Cozen O’Connor.

Eleven Cozen O’Connor Attorneys Named 2024 Illinois Super Lawyers

January 29, 2024 The Cozen O’Connor attorneys who have been recognized by their peers in Illinois as Super Lawyers are Jack Carriglio, Janet Davis, Jeremy Glenn, Allen Guon, Peter Roberts, Brian Shaw, Joe Tilson, and Anna Wermuth. Amy Doig, David Doyle, and Corey Hickman were named to this year’s Illinois Rising Stars list. This is Hickman’s first year on the Rising Stars list.

How I Made Office Managing Partner: Don't Sacrifice Professional Growth Opportunities for Billable Hours

January 24, 2024 Jeremy Glenn was interviewed by Law.com for their "How I Made It" column, reflecting on his career and sharing advice for aspiring partners.

Punching In: AI, Overtime Update Top Employers’ Focus for 2024

December 11, 2023 Jeremy Glenn was quoted in Bloomberg Law discussing a possible overtime update as the US Department of Labor finalizes several regulations before a potential change in leadership.

Cozen O’Connor Attorney Gary Gassman recognized among Crain's “Notable Leaders in Diversity, Equity and Inclusion”

October 02, 2023 (Chicago, October 2, 2023) … Cozen O’Connor attorney Gary Gassman, co-vice chair of the firm’s Global Insurance Department and co-chair of its Professional Liability Practice Group, has been recognized by Crain’s Chicago Business as one of its 2023 Notable Leaders in Diversity, Equity & Inclusion.

Matthew Glavin Presented Alumni Award from Loyola University Chicago School of Law

August 31, 2023 On Saturday, October 28th, Loyola University Chicago School of Law will present the 2023 St. Robert Bellarmine Award to Matthew Glavin, a senior principal and member of Cozen O’Connor Public Strategies, at the school’s Reunion and Alumni Awards Dinner.

Best Lawyers Honors More Than 200 Cozen O'Connor Attorneys to its Best Lawyers in America 2024 Edition

August 17, 2023 Best Lawyers selected 232 Cozen O’Connor lawyers from 24 of the firm’s U.S. offices for inclusion in the 2024 edition of The Best Lawyers in America.

Business Today Names 32 Cozen O'Connor Attorneys to Its Top 10 Lists

July 28, 2023 These lists recognize lawyers “mastering,” “leading,” “revolutionizing,” and “dominating” their fields in their respective states and nationwide.

Cozen O’Connor Attorney Jim Argionis appointed to Dean’s Advisory Council at Loyola University Chicago

July 25, 2023 Jim Argionis, a member of Cozen O’Connor’s Commercial Litigation practice, has been appointed to serve a 3-year term on the Dean’s Advisory Council (DAC) at Loyola University Chicago’s College of Arts and Sciences.

Lawdragon Names Cozen O’Connor’s Brian Shaw Among Top 500 Leading U.S. Bankruptcy and Restructuring Lawyers

July 10, 2023 CHICAGO, July 10, 2023 — Lawdragon has named Chicago attorney Brian Shaw, a member of Cozen O’Connor’s Bankruptcy, Insolvency & Restructuring practice, to its 2023 list of the Top 500 Leading U.S. Bankruptcy and Restructuring Lawyers.

Legal 500 Recognizes Six Cozen O’Connor Practice Areas and 16 Attorneys in its 2023 Guide

July 10, 2023 Cozen O'Connor's Aviation (Litigation/Regulation), Construction, L&E, M&A (Midmarket), Shipping (Finance and Litigation/Regulation) practices were ranked by the Legal 500.

Matthew Glavin of Cozen O’Connor Public Strategies Receives Alumni Award from Loyola University Chicago School of Law

June 29, 2023 CHICAGO – June 29, 2023 - Matthew Glavin, a member in Cozen O’Connor’s Public Strategies Group, has been honored by Loyola University Chicago School of Law with its 2023 St. Robert Bellarmine Award.

Cozen O’Connor Attorney Matt DiCianni Honored with Rising Stars Award from The National Immigrant Justice Center

May 04, 2023 Matt DiCianni, a labor and employment associate at Cozen O’Connor, has been honored with a Rising Stars Award from the National Immigrant Justice Center (NIJC).

Illinois Connection Remains a Constant for Shaw

April 21, 2023 Brian Shaw is featured in a University of Illinois article discussing his career path and what he finds most rewarding in his job.

Cozen O’Connor Attorney Jim Argionis Reappointed Chairman of the Illinois Department of Employment Security Advisory Board

April 12, 2023 Cozen O’Connor attorney Jim Argionis, a member of the firm’s Commercial Litigation practice in Chicago, has been reappointed by Illinois Governor JB Pritzker as Chairman of the Illinois Department of Employment Security (IDES) Advisory Board.

Cozen O’Connor Adds Two of the Country’s Leading Data Privacy Litigators to its Commercial Litigation Practice Group

March 06, 2023 Melissa A. Siebert and Erin Bolan Hines — data privacy litigators with renowned track records of successfully defending employers and technology enterprises entangled in major data privacy class actions and appellate cases — to its award-winning Commercial Litigation Practice Group.

Cozen O'Connor attorneys work pro bono to help mother and son earn asylum in United States

February 09, 2023 Matthew DiCianni and Amy Doig spoke with Chicago Lawyer Magazine about working with their client's request for asylum.

Eleven Cozen O’Connor Attorneys Named 2023 Illinois Super Lawyers

January 26, 2023 Super Lawyers has named 11 attorneys at Cozen O’Connor to its 2023 lists of top practitioners in Illinois.

Cozen O’Connor Public Strategies’ Patrick Martin Elected to Board of Managers, YMCA of Metropolitan Chicago

January 03, 2023 (CHICAGO, January 2, 2023) - Patrick Martin, Managing Director of Cozen O’Connor Public Strategies, has been elected to the Board of Managers for the YMCA of Metropolitan Chicago.

Cozen O’Connor Attorney Christina Sanfelippo Elected Board of Directors Chair for IWIRC’s Chicago Network

December 13, 2022 Chicago, December 13, 2022 — Christina Sanfelippo, an associate in Cozen O’Connor’s Bankruptcy, Insolvency & Restructuring Practice, has been elected chair of the board of directors for the Chicago Network of the International Women’s Insolvency & Restructuring Confederation (IWIRC) for 2023 and 2024. Sanfelippo has also been elected U.S. Programs Committee co-director on IWIRC’s international board of directors for 2023.

Three Cozen O’Connor Attorneys recognized as Crain's Chicago Business 2022 “Notable Gen X Leaders in Law”

December 12, 2022 Three Cozen O’Connor attorneys have been recognized as 2022 Notable Gen X Leaders in Law by Crain’s Chicago Business for their success and accomplishments in their leadership roles within the firm and across the legal community.

Cozen O’Connor Attorneys Win Asylum for Mother and Son Escaping Violence in El Salvador

November 18, 2022 Cozen O'Connor associates Matt DiCianni and Amy Doig recently won a significant pro bono victory in Immigration Court in Chicago.

Cozen O’Connor Public Strategies Member Matthew Glavin Named to Board of Youth Guidance

September 29, 2022 Matthew Glavin, a member in Cozen O’Connor’s Public Strategies Group, has been named to the Board of Youth Guidance, a Chicago-based organization specializing in social-emotional learning, counseling, and educational support for students in Chicago-area schools.

From Outsider to Insider: Why Do I Share My Journey of Personal Acceptance? Because It Leads to Positive Change

September 12, 2022 Gary L. Gassman wrote the article "Why Do I Share My Journey of Personal Acceptance? Because It Leads to Positive Change" for the September issue of the Claims and Litigation Management Alliance's magazine.

Cozen O’Connor Attorney Anna Wermuth Named one of Crain’s 2022 “Notable Women in Law”

September 08, 2022 Anna Wermuth, vice-chair of Cozen O’Connor’s national Labor & Employment Department, has been named to the 2022 list of Chicago’s “Notable Women in Law” by Crain’s Chicago Business.

Lawdragon Names Six Cozen O’Connor Attorneys Among The Top 500 Leading U.S. Corporate Employment Lawyers

August 24, 2022 Lawdragon has named six members of Cozen O’Connor’s Labor & Employment Department to its 2022 list of the Top 500 Leading U.S. Corporate Employment Lawyers.

More Than 200 Cozen O’Connor Attorneys Named Best Lawyers and Ones to Watch

August 22, 2022 210 Cozen O’Connor lawyers from 24 of the firm’s nationwide offices for inclusion in the 2023 edition of The Best Lawyers in America.

Six Cozen O’Connor Lawyers Named 2023 “Lawyers of the Year” by Best Lawyers

August 22, 2022 Geoffrey Ferrer, James Forsyth, J. Bruce Maffeo, Suzanne Mayes, Jason Shargel, and Anna Wermuth received the highest annual ratings from their peers.

Cozen O’Connor’s Global Insurance Department Continues its Expansion, Landing Insurance Litigator Kimberly Petrina

August 09, 2022 Petrina is the 16th attorney to join Cozen O’Connor’s Global Insurance Department in 2022, which has grown to over 100 lawyers nationwide.

Cozen O’Connor Attorneys Gary Gassman and Josephine Bahn Installed in ABA Chair Roles

August 05, 2022 Gary Gassman and Josephine Bahn, have been installed in ABA Chair Roles.

Cozen O’Connor’s Brian Shaw Named to The American College of Bankruptcy Board of Regents

April 21, 2022 CHICAGO, April 21, 2022 — The American College of Bankruptcy (ACB) has named to its Board of Regents Chicago attorney Brian Shaw, a member of Cozen O’Connor’s Bankruptcy, Insolvency & Restructuring practice.

Cozen O’Connor Attorney Jim Argionis Honored by Maine Township For Exceptional Community Service

April 13, 2022 Cozen O’Connor attorney Jim Argionis, a member of the firm’s Commercial Litigation practice in Chicago, has been named the 2022 recipient of the Sgt. Karen Lader Memorial Good Citizen Award.

Lawdragon names Cozen O’Connor’s Brian Shaw and Thomas Horan Among Top 500 Leading U.S. Bankruptcy and Restructuring Lawyers

January 31, 2022 Lawdragon has named Brian Shaw and Thomas Horan, members of Cozen O’Connor’s Bankruptcy, Insolvency & Restructuring practice, to its 2022 list of the Top 500 Leading U.S. Bankruptcy and Restructuring Lawyers.

Eleven Cozen O’Connor Attorneys Named 2022 Illinois Super Lawyers

January 28, 2022 Nine were recognized as Super Lawyers and two were named to its list of "Rising Stars," a list that recognizes attorneys under the age of 40.

Three Cozen O’Connor Attorneys recognized as Crain's Chicago Business 2021 “Notable Gen X Leaders in Law”

November 29, 2021 Three Cozen O’Connor attorneys have been recognized as 2021 Chicago Notable Gen X Leaders in Law by Crain’s Chicago Business for their success and accomplishments in their leadership roles within the firm and across the legal community.

Lawdragon Names six Cozen O’Connor Attorneys Among the Top 500 Leading U.S. Corporate Employment Lawyers

November 19, 2021 Lawdragon has named six members of Cozen O’Connor’s Labor & Employment Department to its 2021 list of the Top 500 Leading U.S. Corporate Employment Lawyers.

Cozen O’Connor Attorney Anna Wermuth Receives Women in Law Honor from Chicago Daily Law Bulletin & Chicago Lawyer

July 09, 2021 Anna Wermuth, vice-chair of Cozen O’Connor’s national Labor & Employment Department, has been named to the second annual Salute! Women in Law Award list by the Chicago Daily Law Bulletin and Chicago Lawyer magazine.

Cozen O’Connor Attorneys Eisenberg, Ferrer, Giotto and Tilson Recognized in 2021 Chambers Global Rankings

February 18, 2021 Chambers Global has recognized four Cozen O’ Connor attorneys, Susan Eisenberg (Miami – Labor & Employment), Geoffrey Ferrer (New York – Transportation & Trade), Thomas Giotto (Pittsburgh – Labor and Employment) and Joseph Tilson (Chicago – Labor & Employment), as worldwide leaders in their respective practices. All four attorneys are also ranked in the Chambers USA Guide.

Eleven Cozen O’Connor Attorneys Named 2021 Illinois Super Lawyers

January 29, 2021 Super Lawyers has named eleven attorneys at Cozen O’Connor to its 2021 lists of top practitioners in Illinois.

Leading Lawyers Network Recognizes 26 Cozen O’Connor Lawyers as Top Illinois Practitioners

January 26, 2021 The Leading Lawyers Network has named 24 Cozen O’Connor lawyers to its annual list of Illinois’ top practitioners and named two others as Emerging Lawyers in its 2021 survey results.

Patrick Martin Named One of the Hill’s Top 2020 Lobbyists

December 11, 2020 Cozen O’Connor is pleased to announce that Patrick Martin, principal and director of the firm’s Public Strategies group in the Midwest, has been named to The Hill’s Top Lobbyists: Hired Guns list.

With Global Bankruptcy Filings Increasing, Cozen O’Connor Adds Eight Veteran Attorneys to its Bankruptcy, Insolvency & Restructuring Practice

September 01, 2020 Hires Expand Offerings in Chicago and Add Depth to the firm’s Corporate Bankruptcy Practice

Cozen O’Connor Attorney Gary Gassman Elected Chair-Elect of ABA Tort Trial & Insurance Practice Section

August 20, 2020 Chicago attorney Gary Gassman, co-chair of Cozen O’Connor’s Professional Liability Coverage Practice, has been elected chair-elect of the American Bar Association Tort Trial & Insurance Practice Section (TIPS), one of the ABA’s largest sections.

Nine Cozen O’Connor Lawyers Named 2021 “Lawyers of the Year” by Best Lawyers in America

August 20, 2020 Cozen O’Connor is proud to announce that nine of the firm’s lawyers have been recognized as “Lawyers of the Year” in their respective practices by Best Lawyers in America.

Cozen O’Connor Attorney Jeff Greenspan Named to the Board of Directors of the Center for Enriched Living

July 28, 2020 Jeff Greenspan, a member of Cozen O’Connor’s Litigation Department in Chicago, has been named to the board of directors of the Center for Enriched Living (CEL), a nonprofit organization serving teens and adults with intellectual and developmental disabilities.

Cozen O’Connor Attorney Christopher Hennessy Named Co-Chair of the ABA Section of Litigation, Employment & Labor Relations Law Committee

June 12, 2020 Chicago attorney Christopher Hennessy, a member of Cozen O’Connor’s Litigation Department, has been named co-chair of the American Bar Association (ABA) Section of Litigation, Employment & Labor Relations Law Committee for the 2020-21 bar year.

Community crusader

June 05, 2020 The Loyola School of Law ran an alumni profile of Jim Argionis recognizing his dedication to his practice and community and highlighting some of the community accolades his efforts have garnered.

Christopher Hennessy, '91, Goes the Distance to Serve Others

December 09, 2019 Chris Hennessy was profiled by his alma mater, Northern Illinois University, in an alumni feature.

Cozen O’Connor Attorney Joe Tilson Honored by Labor and Employment Relations Association

November 21, 2019 Joe Tilson will be honored on December 12 with a Distinguished Service Award from the Chicago Chapter of the Labor and Employment Relations Association.

Cozen O’Connor Attorney Jim Argionis Appointed Chairman of Park Ridge’s Planning and Zoning Commission

November 06, 2019 Jim Argionis, a member of the firm’s Commercial Litigation practice in Chicago, has been appointed Chairman of the Park Ridge Planning and Zoning Commission.

Cozen O'Connor Adds Three Lobbyists in Chicago

September 19, 2019 Cozen O'Connor welcomes three new lobbyists, John F. Dunn, Darren Collier, and Patrick L. Carey to the Public Strategies practice in Chicago.

Cozen O’Connor Public Strategies Continues its National Expansion, Adding John F. Dunn, Darren Collier, and Patrick L. Carey to Growing City of Chicago and State of Illinois Practice

September 04, 2019 Cozen O’Connor cements its top-tier lobbying presence in three of the largest cities in the United States — Chicago, Philadelphia, and New York — and the corresponding state capitals.

138 Cozen O’Connor Attorneys Named to the Best Lawyers in America

August 28, 2019 Best Lawyers selected 138 Cozen O’Connor lawyers from 21 of the firm’s national offices for inclusion in the 2020 edition of The Best Lawyers in America.

Cozen O’Connor Attorney Gary Gassman Elected Vice-Chair of ABA Tort Trial & Insurance Practice Section

August 15, 2019 Gary Gassman, Co-Chair of Cozen O'Connor's Professional Liability Coverage Practice, has been elected Vice-Chair of the American Bar Association Tort Trial & Insurance Practice Section (TIPS), one of the ABA's largest sections. He is now on the path to become TIPS Chair in two years: during 2020-21 he will serve as Chair-Elect and will rise to Chair for the 2021-22 bar year.

Cozen O’Connor Attorney Christopher Hennessy Named Chair of the Newsletter Subcommittee of the ABA Section of Litigation, Employment & Labor Relations Law Committee

August 13, 2019 Christopher Hennessy, a member of Cozen O’Connor’s Litigation Department in the firm’s Chicago office, has been named chair of the Newsletter Subcommittee of the American Bar Association Section of Litigation, Employment & Labor Relations Law Committee

Three Cozen O’Connor Attorneys recognized as Crain's Chicago Business “Notable Gen X Leaders in Law”

May 31, 2019 Three Cozen O’Connor attorneys have been recognized as 2019 Chicago Notable Gen X Leaders in Law by Crain’s Chicago Business for their success and accomplishments in their leadership roles within the firm and across the legal community.

Leading Lawyers Network Recognizes 17 Cozen O’Connor Lawyers as Top Illinois Practitioners

May 21, 2019 The Leading Lawyers Network has named 17 Cozen O’Connor lawyers to its annual list of Illinois’ top practitioners - including one Emerging Lawyer - in its 2019 survey results.

Cozen O’Connor Attorneys Eisenberg, Ferrer and Tilson Recognized in 2019 Chambers Global Rankings

April 12, 2019 Chambers Global has recognized three Cozen O’ Connor attorneys, Susan Eisenberg (Miami – Labor & Employment), Geoffrey Ferrer (New York – Transportation & Trade), and Joseph Tilson (Chicago – Labor & Employment), as worldwide leaders in their respective practices.

Danielle Harris and Jennifer Queliz Selected to the 2019 National Employment Law Council Academy

April 12, 2019 Danielle Harris and Jennifer Queliz were selected as fellows in the 2019 National Employment Law Council Academy.

Jim Argionis: Acting Locally

April 05, 2019 Jim Argionis, a member in the firm's Commercial Litigation Department, was the subject of a feature story in Chicago Lawyer magazine.

Cozen O’Connor Public Strategies Midwest Continues its Expansion, Landing Veteran Attorney/Lobbyist Matthew T. Glavin

March 04, 2019 Glavin Brings to the Group a Strong Background in Illinois Business, Politics, and Regulatory Oversight

Cozen O’Connor Attorney Elizabeth Olivera Named to Board of Directors of the Filipino American Lawyers Association of Chicago

March 04, 2019 Cozen O’Connor attorney Elizabeth Olivera, an associate in the firm’s Commercial Litigation practice in Chicago, has been named to the Board of Directors of the Filipino American Lawyers Association of Chicago (FALA Chicago).

Contacts

Jeremy J. Glenn

Office Managing Partner

jglenn@cozen.com

(312) 474-7981

Marisa L. Saber

Vice Chair, Office Managing Partner

msaber@cozen.com

(312) 382-3183

Connie Luckey

Office Manager

cluckey@cozen.com

(312) 382-3114

Featured Event:

Affinity Fraud: Scams, Scoundrels, and Receiverships

Webinar 02/28/2024

Ira Bodenstein will present “Affinity Fraud: Scams, Scoundrels, and Receiverships” at the National Association of Federal Equity Receiver (NAFER)’s first Receivers’ Huddle of 2024.