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William Jansen Email & Phone Number

Litigation Attorney, Commercial litigation at Warner Norcross + Judd

Location: Southfield, Michigan, United States 1 work role 1 school

1 work email found @wnj.com 1 phone found area 248 LinkedIn matched

✓ Verified May 2026 4 data sources Profile completeness 100%

Current company

Warner Norcross + Judd

Role

Litigation Attorney, Commercial litigation

Location

Southfield, Michigan, United States

Company size

409 employees

Who is William Jansen? Overview

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Quick answer

William Jansen is listed as Litigation Attorney, Commercial litigation at Warner Norcross + Judd, a company with 409 employees, based in Southfield, Michigan, United States. AeroLeads shows a work email signal at wnj.com, phone signal with area code 248, and a matched LinkedIn profile for William Jansen.

William Jansen previously worked as Partner at Warner Norcross + Judd. William Jansen holds Bs.Che; Jd, Law; Engineering from University Of Michigan.

Company email context

Email format at Warner Norcross + Judd

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{first_initial}{last}@wnj.com

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AeroLeads found 1 current-domain work email signal for William Jansen. Compare company email patterns before reaching out.

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Profile bio

About William Jansen

William Jansen is a Litigation Attorney, Commercial litigation at Warner Norcross + Judd. He possess expertise in commercial litigation, litigation, civil litigation, dispute resolution, corporate law and 4 more skills.

Listed skills include Commercial Litigation, Litigation, Civil Litigation, Dispute Resolution, and 5 others.

Current workplace

William Jansen's current company

Company context helps verify the profile and gives searchers a useful next step.

Warner Norcross + Judd

Litigation Attorney, Commercial litigation

grand rapids, michigan, united states

Website

wnj.com

Employees

409

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Company profile

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1 role

William Jansen work experience

A career timeline built from the work history available for this profile.

Partner

Warner Norcross + Judd

Aug 1999 - Present - Southfield, Mi

My law practice is focused on commercial litigation, business law, commercial law and antitrust law. I also counsel national and international companies, including automotive suppliers, concerning commercial, contractual and compliance issues. My courtroom wins include cases with more $1 billion in corporate assets at risk, and I have successfully represented many major companies, including Robert Bosch, CMS and Consumers Energy, MAHLE, Johnson Controls, DTE and Detroit Edison, Lear and Pillsbury, as well as hospitals and electric utilities in several states. I am Executive Partner at Warner Norcross & Judd's Southfield Office and serve on the firm’s Management Committee. My areas of legal practice include:- Litigation and Dispute Resolution- Business and Corporate Services- Internal Investigations- Antitrust Law- Appellate and Supreme Court- Energy Law- Compliance

Team & coworkers

Colleagues at Warner Norcross + Judd

Other employees you can reach at wnj.com. View company contacts for 409 employees →

LL

Laura Lewakowski Colleague at Warner Norcross + Judd Belmont, Michigan, United States, United States View → CL

Cindy Lubberts Colleague at Warner Norcross + Judd Grand Rapids, Michigan, United States, United States View → BL

Brian Lennon Colleague at Warner Norcross + Judd Grand Rapids, Michigan, United States, United States View → JL

Jeff Lednicky Colleague at Warner Norcross + Judd Grand Rapids, Michigan, United States, United States View → KK

Kathy Kranz Colleague at Warner Norcross + Judd Grand Rapids, Michigan, United States, United States View → LS

Leslie Serne Colleague at Warner Norcross + Judd Ada, Michigan, United States, United States View → YO

Yvonne Ouellette Colleague at Warner Norcross + Judd Grand Rapids Metropolitan Area, United States View → LZ

Lance Zoerhof Colleague at Warner Norcross + Judd Grand Rapids, Michigan, United States, United States View → JM

Jordan Miletti Colleague at Warner Norcross + Judd Detroit, Michigan, United States, United States View → RC

Roger Clark Colleague at Warner Norcross + Judd Palm City, Florida, United States, United States View →

1 education record

William Jansen education

University Of Michigan

Law; Engineering

FAQ

Frequently asked questions about William Jansen

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

What company does William Jansen work for?

William Jansen works for Warner Norcross + Judd.

What is William Jansen's role at Warner Norcross + Judd?

William Jansen is listed as Litigation Attorney, Commercial litigation at Warner Norcross + Judd.

What is William Jansen's email address?

AeroLeads has found 1 work email signal at @wnj.com for William Jansen at Warner Norcross + Judd.

What is William Jansen's phone number?

AeroLeads has found 1 phone signal(s) with area code 248 for William Jansen at Warner Norcross + Judd.

Where is William Jansen based?

William Jansen is based in Southfield, Michigan, United States while working with Warner Norcross + Judd.

What companies has William Jansen worked for?

William Jansen has worked for Warner Norcross + Judd.

Who are William Jansen's colleagues at Warner Norcross + Judd?

William Jansen's colleagues at Warner Norcross + Judd include Laura Lewakowski, Cindy Lubberts, Brian Lennon, Jeff Lednicky, and Kathy Kranz.

How can I contact William Jansen?

You can use AeroLeads to view verified contact signals for William Jansen at Warner Norcross + Judd, including work email, phone, and LinkedIn data when available.

What schools did William Jansen attend?

William Jansen holds Bs.Che; Jd, Law; Engineering from University Of Michigan.

What skills is William Jansen known for?

William Jansen is listed with skills including Commercial Litigation, Litigation, Civil Litigation, Dispute Resolution, Corporate Law, Intellectual Property, Legal Writing, and Management.

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