What Does Jenner & Block Do?

Total employees1141
HeadquartersChicago
Founded1914

Jenner & Block LLP is an American law firm with a strong reputation for its litigation, arbitration, investigations, and transactional practices. Founded in Chicago, the firm handles high-stakes matters for a diverse client base, including Fortune 500 companies, government entities, and individuals. Known for its commitment to pro bono work and public service, Jenner & Block operates with a focus on excellence, collaboration, and integrity. The firm has a significant presence in key legal markets across the United States and in London.

Where Is Jenner & Block's Headquarters?

HQ Function

Serves as the primary operational and administrative hub, housing a significant number of the firm's lawyers and support staff, and overseeing firm-wide strategy and management.

Notable Features:

Modern Class A office space in a LEED-certified building, offering advanced technology, collaborative workspaces, and panoramic views of the Chicago River and city skyline.

Work Culture:

Characterized by a strong emphasis on excellence, collaboration, intellectual rigor, and a nationally recognized commitment to pro bono service and diversity, equity, and inclusion.

HQ Significance:

Symbolizes the firm's deep Chicago roots and its status as a leading national law firm, serving as the central hub for its operations and strategic direction.

Values Reflected in HQ: The high-quality, modern, and strategically located headquarters reflects Jenner & Block's commitment to excellence, client service, innovation, and its standing in the legal community.

Location:

While primarily US-based with a significant office in London, Jenner & Block supports clients globally in areas such as international arbitration, cross-border investigations, and complex multi-jurisdictional litigation. Their London office serves as a key hub for European and international matters, connecting clients with the firm's extensive US capabilities.

Street Address:

353 North Clark Street

City:

Chicago

State/Province:

Illinois

Country:

USA

Where Else Does Jenner & Block Operate Around the World?

New York, New York/USA

Address: 919 Third Avenue, New York, NY 10022-3908

Serves as a key hub for East Coast operations and international matters, leveraging New York's status as a global financial and legal center.

Washington, D.C./USA

Address: 1099 New York Avenue, NW, Suite 900, Washington, DC 20001-4412

Addresses critical legal and regulatory challenges at the federal level, representing clients before government bodies and in high-stakes D.C.-based litigation.

London/United Kingdom

Address: Tower 42, Level 31, 25 Old Broad Street, London EC2N 1HQ

Provides international dispute resolution and advisory services, connecting the firm's US capabilities with global clients and legal issues.

Los Angeles, California/USA

Address: 633 West 5th Street, Suite 3600, Los Angeles, CA 90071-2054

Serves clients on the West Coast, particularly in the entertainment, technology, and emerging industries, and handles significant litigation matters in California courts.

Buying Intent Signals for Jenner & Block

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Jenner & Block? Meet the Executive Team

As of April 2025, Jenner & Block' leadership includes:

Katya Jestin - Co-Managing Partner
Randy Mehrberg - Co-Managing Partner
David Greenwald - Firm Chair
April Otterberg - Chief Operating Officer
Susan J. Kohlmann - Firm General Counsel

Who's Investing in Jenner & Block?

Jenner & Block has been backed by several prominent investors over the years, including:

Not Applicable (Partnership Structure)

What Leadership Changes Has Jenner & Block Seen Recently?

Hire4
Exits0

Jenner & Block strategically expanded its leadership and expertise in key practice areas like Investigations, Energy, and IP Litigation through several notable partner hires in the past 12 months. The firm also recognized internal talent through its regular partner promotion cycle. No high-profile departures from the core executive leadership team (Co-Managing Partners, Chair) have been publicly announced during this period.

New Appointments:

Keisha Stanford, Keisha Stanford joined as a partner in Washington, D.C., bolstering the firm's investigations and monitorships capabilities.
Charles Parker, Charles Parker, a former senior DOJ official, rejoined the firm as a partner in Washington, D.C.
Jason T. Hutt, Jason T. Hutt joined as a partner and co-chair of the firm's Energy practice in Washington, D.C.
Gabriel K. Bell, Gabriel K. Bell joined as an IP litigation partner in San Francisco, enhancing the firm's West Coast tech capabilities.

What Technology (Tech Stack) Is Used byJenner & Block?

Discover the tools Jenner & Block uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Jenner & Block Email Formats and Examples

Jenner & Block primarily utilizes the email format consisting of the employee's first initial followed by their last name, hosted at the @jenner.com domain. This is a standard and widely adopted convention in many professional service firms and law firms.

[first_initial][last]@jenner.com

Format

jsmith@jenner.com

Example

90%

Success rate

What's the Latest News About Jenner & Block?

jenner.comMay 21, 2024

Jenner & Block Achieves Landmark Pro Bono Victory for Client After 30 Years of Wrongful Conviction

Jenner & Block secured the exoneration and release of their pro bono client, Joaquin CIRIA, who was wrongfully convicted of murder in 1991. This victory highlights the firm's deep commitment to pro bono work and justice....more

jenner.comMay 15, 2024

Jenner & Block Advises Nexus Circular in Strategic Partnership with Braskem for Advanced Recycling Facility

A Jenner & Block team advised Nexus Circular, a leader in advanced recycling, on its partnership with Braskem to develop a new commercial-scale advanced recycling facility. This deal underscores the firm's capabilities in complex corporate transactions and the energy transition sector....more

jenner.comJuly 26, 2023

Jenner & Block Named To The American Lawyer’s 2023 A-List

Jenner & Block was recognized on The American Lawyer's prestigious 2023 A-List, which ranks firms based on revenue per lawyer, pro bono commitment, associate satisfaction, and diversity. This marks the 14th time the firm has received this honor....more

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