John Duffy
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John Duffy Email & Phone Number

Partner at Swanson, Martin & Bell, LLP at Swanson, Martin & Bell, LLP
Location: Greater Chicago Area, United States 2 work roles 2 schools
1 work email found @smbtrials.com 1 phone found area 312 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 1 phone

Work email j****@smbtrials.com
Direct phone (312) ***-****
LinkedIn Profile matched
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Current company
Swanson, Martin & Bell, LLP
Role
Partner at Swanson, Martin & Bell, LLP
Location
Greater Chicago Area, United States
Company size
239 employees

Who is John Duffy? Overview

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Quick answer

John Duffy is listed as Partner at Swanson, Martin & Bell, LLP at Swanson, Martin & Bell, LLP, a with 239 employees, based in Greater Chicago Area, United States. AeroLeads shows a work email signal at smbtrials.com, phone signal with area code 312, and a matched LinkedIn profile for John Duffy.

John Duffy previously worked as Partner at Swanson, Martin & Bell, Llp and Partner at Donohue Brown Mathewson & Smyth. John Duffy holds Jd from Loyola University Chicago School Of Law.

Company email context

Email format at Swanson, Martin & Bell, LLP

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{first_initial}{last}@smbtrials.com
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AeroLeads found 1 current-domain work email signal for John Duffy. Compare company email patterns before reaching out.

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Profile bio

About John Duffy

My practice focuses on the defense of professionals, including attorneys, directors, officers, physicians and hospitals. Over the years I have successfully represented law firms in claims alleging professional negligence, defended corporations in consumer class actions, and handled complex product liability claims involving catastrophic injuries.I have also tried to verdict automotive product liability, legal malpractice, and commercial matters. This includes handling national class actions and briefing and arguing appeals before the Seventh and Fourth Circuit Courts of Appeals, as well as the Supreme and Appellate courts of Illinois.

Current workplace

John Duffy's current company

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Swanson, Martin & Bell, LLP
Swanson, Martin & Bell, Llp
Partner at Swanson, Martin & Bell, LLP
chicago, illinois, united states
Website
smbtrials.com
Employees
239
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Company profile
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2 roles

John Duffy work experience

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Partner

Donohue Brown Mathewson & Smyth

Donohue Brown successfully litigates complex high-stakes cases. Our clients know our experience, skill and relationships will deliver optimal results for their trials in Chicago and beyond.

Dec 2002 - Feb 2020
Team & coworkers

Colleagues at Swanson, Martin & Bell, LLP

Other employees you can reach at smbtrials.com. View company contacts for 239 employees →

JM Jessica Mcmullen Jessica Mcmullen Colleague at Swanson, Martin & Bell, LlpGreater Chicago Area, United States View → KH Kevin Horan Kevin Horan Colleague at Swanson, Martin & Bell, LlpUnited States View → MO Margaret O’Sullivan Byrne Margaret O’Sullivan Byrne Colleague at Swanson, Martin & Bell, LlpChicago, Illinois, United States View → BK Bonnie Kelly Bonnie Kelly Colleague at Swanson, Martin & Bell, LlpChicago, Illinois, United States View → LH Lawrence Helms Lawrence Helms Colleague at Swanson, Martin & Bell, LlpGreater Chicago Area, United States View → MB Marita Biercz Marita Biercz Colleague at Swanson, Martin & Bell, LlpElk Grove Village, Illinois, United States View → JK Joe Kincaid Joe Kincaid Colleague at Swanson, Martin & Bell, LlpGreater Chicago Area, United States View → TD Teresa D'Aloisio Teresa D'Aloisio Colleague at Swanson, Martin & Bell, LlpGreater Chicago Area, United States View → KB Kevin Boyle Kevin Boyle Colleague at Swanson, Martin & Bell, LlpChicago, Illinois, United States View → CG Christopher Grimes Christopher Grimes Colleague at Swanson, Martin & Bell, LlpChicago, Illinois, United States View →
2 education records

John Duffy education

FAQ

Frequently asked questions about John Duffy

Quick answers generated from the profile data available on this page.

What company does John Duffy work for?

John Duffy works for Swanson, Martin & Bell, LLP.

What is John Duffy's role at Swanson, Martin & Bell, LLP?

John Duffy is listed as Partner at Swanson, Martin & Bell, LLP at Swanson, Martin & Bell, LLP.

What is John Duffy's email address?

AeroLeads has found 1 work email signal at @smbtrials.com for John Duffy at Swanson, Martin & Bell, LLP.

What is John Duffy's phone number?

AeroLeads has found 1 phone signal(s) with area code 312 for John Duffy at Swanson, Martin & Bell, LLP.

Where is John Duffy based?

John Duffy is based in Greater Chicago Area, United States while working with Swanson, Martin & Bell, LLP.

What companies has John Duffy worked for?

John Duffy has worked for Swanson, Martin & Bell, Llp and Donohue Brown Mathewson & Smyth.

Who are John Duffy's colleagues at Swanson, Martin & Bell, LLP?

John Duffy's colleagues at Swanson, Martin & Bell, LLP include Jessica Mcmullen, Kevin Horan, Margaret O’Sullivan Byrne, Bonnie Kelly, and Lawrence Helms.

How can I contact John Duffy?

You can use AeroLeads to view verified contact signals for John Duffy at Swanson, Martin & Bell, LLP, including work email, phone, and LinkedIn data when available.

What schools did John Duffy attend?

John Duffy holds Jd from Loyola University Chicago School Of Law.

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