Welcoming New and Returning legal leaders
Our community has grown with the addition and return of talented partners, special counsel, and of counsel, who bring fresh perspectives from their experiences beyond Jenner. Each new colleague strengthens our shared commitment to excellence and inclusion.
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Tyler Alfermann
Special Counsel, Chicago
Consumer Brands#fhtogglels/Expand/Close/ib
Tyler Alfermann represents clients in products liability, environmental, and mass tort actions through all stages of litigation. Tyler’s work includes defending companies from personal injury, medical monitoring, and property damage claims, as well as natural resource damage suits brought by state attorneys general.
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Rachel K. Alpert
Partner, Washington, DC
National Security and Crisis#fhtogglels/Expand/Close/ib
As Co-Chair of our National Security and Crisis Practice and Human Rights and Global Strategy Practice, Rachel Alpert guides multinational companies and institutions through the complex landscape of US sanctions, export controls, national security regulations, and global human rights frameworks. Drawing on her experience as Chief Counsel at the United States Treasury Department's Office of Foreign Assets Control (OFAC), Rachel helps clients understand not only what the law requires, but how policy is shaped and implemented across government.
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Jenna A. Bressel
Special Counsel, Chicago
Employee Benefits and Executive Compensation#fhtogglels/Expand/Close/ib
With broad experience across employee benefits and compensation matters, Jenna Bressel advises clients on executive compensation, health and welfare plans, and qualified retirement plans. Jenna frequently counsels public and private employers on healthcare reform and the design, implementation, and administration of employee benefit plans and programs.
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Richard F. Bulger
Partner, Chicago
Mass Torts and Product Liability#fhtogglels/Expand/Close/ib
Rich Bulger brings more than three decades of experience at the forefront of environmental, mass tort, and toxic tort law to his role as Co-Chair of Jenner & Block’s Mass Torts and Product Liability Practice and Environmental and Workplace Health and Safety Practice. Rich represents clients across the chemical, energy, utility, and industrial sectors in high-stakes litigation, regulatory investigations, and multi-forum disputes.
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Ashley Callen
Partner, Washington, DC
Congressional Investigations#fhtogglels/Expand/Close/ib
Ashley Callen serves as Co-Chair of the firm’s Congressional Investigations Practice and is a member of the Government Controversies Practice, bringing 25 years of service in senior legal and oversight roles in the United States Congress to her representation of clients engaged with the federal government. As a former top legal advisor to House Republican leadership, Ashley is trusted by clients navigating congressional inquiries, high-stakes public hearings, and complex oversight matters.
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Aaron Cooper
Partner, Washington, DC
Critical and Emerging Technologies#fhtogglels/Expand/Close/ib
Aaron Cooper is Co-Chair of Jenner & Block’s Data Privacy and Cybersecurity Practice and a partner in the Investigations, Compliance and Defense Practice. Aaron also founded and serves as Co-Chair of the firm’s multidisciplinary Critical and Emerging Technologies Practice, which helps clients navigate the dynamic intersection of emerging technologies, geopolitical competition, and national security.
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Peter Davis
Partner, Washington, DC
Appellate and Supreme Court#fhtogglels/Expand/Close/ib
Peter Davis represents a full spectrum of clients in high-stakes appellate and district court litigation across the country. Known for his strategic litigation approach and deep knowledge of constitutional law, Peter has fiercely represented clients in their most important matters.
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Priya Desai
Partner, Chicago
Food and Beverage#fhtogglels/Expand/Close/ib
Priya Desai brings a cross-disciplinary legal practice spanning product liability, environmental law, and intellectual property. Priya advises clients in complex commercial litigation and arbitration, with particular focus on regulated and emerging environmental contaminants, as well as intellectual property disputes in litigation, arbitration, and prosecution.
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Meghan Greenfield
Partner, Washington, DC
Energy#fhtogglels/Expand/Close/ib
Meghan Greenfield is a strategic environmental litigator and regulatory counselor, leveraging her extensive government background at the United States Environmental Protection Agency (EPA) and the United States Department of Justice (DOJ) to guide clients through the rapidly evolving environmental legal landscape. At EPA, Meghan served as Senior Counsel for Litigation, overseeing major litigation and regulatory developments under the Clean Air Act, the Clean Water Act, Resource Conservation and Recovery Act, and the regulation of PFAS (“forever chemicals”) under various statutes.
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Betsy Henthorne
Partner, Washington, DC
Specialized Litigation and Arbitration#fhtogglels/Expand/Close/ib
A distinguished litigator and strategic advisor with extensive experience in both government and private practice, Betsy Henthorne guides clients through their most challenging legal and regulatory issues. Recognized for her crisis management skills and deep understanding of high-stakes litigation, Betsy excels at navigating complex cases, including those involving government investigations and public policy shifts.
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Will Jones
Special Counsel, London
Business Litigation#fhtogglels/Expand/Close/ib
Will Jones is a special counsel in the firm’s London office and a key member of Jenner & Block’s Public Law and Crisis Management Practice. Well-versed in regulatory engagement and advocacy, Will supports clients as they manage intricate relationships with their partners, customers, stakeholders, and regulators in both the public and private sectors.
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Matthew B. Klapper
Partner, Washington, DC
Congressional Investigations#fhtogglels/Expand/Close/ib
Matt Klapper brings nearly two decades of high-level government leadership experience, including in the seniormost ranks of the United States Department of Justice (DOJ) and on Capitol Hill, to his work as Co-Chair of both the Congressional Investigations Practice and Global Crisis Management and Strategic Risk Practice. Matt guides clients through high-stakes and complex crisis situations that span civil, criminal, and regulatory exposure, including congressional investigations, DOJ enforcement actions, and multi-agency and multi-jurisdictional investigations.
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Joanna Ludlam
Partner, London
Investigations, Compliance, and Defense#fhtogglels/Expand/Close/ib
As Chair of the London Public Law and Crisis Management Practice, Co-Chair of Jenner’s Investigations Department, and Co-Chair of the firm’s Global Hearing Preparation and Global Crisis Management and Strategic Risk practices, Joanna Ludlam brings a unique skill set and steady guidance to clients facing sensitive, high-stakes matters. Jo advises major corporations, regulators, and public bodies on complex issues spanning administrative and public law, contentious regulatory investigations, and corporate crime—often involving bribery, fraud, tax evasion, and anti-money laundering—underpinned by her experience in reputation and risk management.
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David Manners-Weber
Special Counsel, Washington, DC
Government Controversies and Public Policy Litigation#fhtogglels/Expand/Close/ib
David Manners-Weber helps clients navigate legal challenges at moments of intense scrutiny. David leverages a career spanning government, business, law, and politics to bring a multi-faceted perspective to multi-faceted problems. He most recently served as Senior Associate White House Counsel, where he represented the President and the White House in high-profile government investigations and oversight matters.
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Ian Moss
Special Counsel, Washington, DC
Investigations, Compliance, and Defense#fhtogglels/Expand/Close/ib
A former senior US Department of State Official, Ian Moss has deep experience working on complex, high-stakes matters at senior levels of the United States government that overlap with law, policy, regulation, and domestic and international public relations. Ian’s work has regularly required engaging on issues with far-reaching implications for US national security and foreign policy with a range of stakeholders, including senior foreign government officials, policymakers and lawmakers, non-governmental organizations and civil society actors, and large private multinational companies.
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Anjali Motgi
Partner, Washington, DC
Specialized Litigation and Arbitration#fhtogglels/Expand/Close/ib
Anjali Motgi is a seasoned litigator and government advisor, leveraging her extensive experience at the United States Department of Justice (DOJ) to guide clients through complex regulatory challenges and administrative law matters, as well as high-stakes civil litigation more broadly. At the DOJ, Anjali served as Chief of Staff for the Civil Division, where she helped supervise the Division’s six branches and over 1,000 lawyers handling the government’s most significant civil matters.
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Matt Pearl
Of Counsel, Washington, DC
Communications, Internet, and Technology#fhtogglels/Expand/Close/ib
Matt Pearl advises clients on telecommunications policy, cloud and data centers, spectrum management, and emerging technology regulation. Matt brings more than a decade of high-level government experience from senior roles at the White House National Security Council (NSC) and the United States Federal Communications Commission (FCC).
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Jariel A. Rendell
Partner, Washington, DC
Antitrust and Competition Law#fhtogglels/Expand/Close/ib
Jariel Rendell is a leading antitrust litigator who brings significant government experience to his comprehensive practice. Having served at the United States Department of Justice (DOJ) Antitrust Division across three presidential administrations, Jariel offers unique insights into evolving antitrust enforcement priorities and approaches.
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Daniel Ring
Partner, Chicago
Mass Torts and Product Liability#fhtogglels/Expand/Close/ib
Daniel Ring brings more than two decades of high-stakes litigation and strategic advisory experience to his role as Co-Chair of Jenner & Block’s Mass Torts and Product Liability Practice. Dan represents Fortune 500 clients across the chemical, manufacturing, and life sciences industries in multidistrict proceedings, coordinated state actions, and other high-exposure disputes.
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Andrew Rohrbach
Partner, New York
Investigations, Compliance, and Defense#fhtogglels/Expand/Close/ib
Andrew Rohrbach is a skilled counselor and trial lawyer who guides clients through their most consequential regulatory and enforcement matters, drawing on years of experience leading sensitive investigations and complex litigation at the highest levels of the federal government. At the United States Attorney’s Office for the Southern District of New York (SDNY), Andrew served as Co-Chief of the General Crimes Unit, where he supervised prosecutors on a variety of financial crime and violence prosecutions.
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Daniel Rottenberg
Special Counsel, Chicago
Consumer Brands#fhtogglels/Expand/Close/ib
Daniel Rottenberg leverages more than a decade of environmental litigation and regulatory experience to provide strategic counsel and legal services to clients on a wide range of complex matters involving environmental, toxic tort, and administrative law. Clients turn to Daniel for his extensive experience in the environmental sector, particularly in relation to litigation, enforcement-related issues, regulatory development, internal investigations, and crisis management.
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Zachary C. Schauf
Partner, Washington, DC
Energy#fhtogglels/Expand/Close/ib
A strategic counselor and litigator, Zach Schauf leverages his experience as a senior official at the United States Department of Justice’s (DOJ) Office of Legal Counsel and as an acclaimed advocate—equally adept before the Supreme Court, trial courts, and administrative agencies—to help clients navigate their most complex legal challenges, especially in highly regulated areas. Whether the challenge calls for charting a path through a thicket of legal constraints, reimaging regulatory frameworks, or hard-fought litigation, Zach works with clients to identify and deploy the best tools for achieving their business objectives.
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Daniel Schwei
Special Counsel, Washington, DC
Specialized Litigation and Arbitration#fhtogglels/Expand/Close/ib
Daniel Schwei helps clients navigate high-stakes, complex legal disputes, drawing on over fourteen years of experience at the United States Department of Justice (DOJ) in the Civil Division’s Federal Programs Branch. While at DOJ, Daniel was a senior litigator responsible for handling many of the government’s most important and high-profile civil cases.
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Douglas Spelfogel
Partner, New York
Bankruptcy and Restructuring#fhtogglels/Expand/Close/ib
Douglas Spelfogel is a Co-Chair of Jenner & Block’s Bankruptcy and Restructuring Practice. Doug specializes in guiding financial institutions, private equity firms, hedge funds, creditors, creditors’ committees, trustees, and corporate leaders through complex restructurings and business reorganizations, as well as cross-border proceedings.
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Shaun M. Van Horn
Partner, Chicago
Antitrust and Competition Law#fhtogglels/Expand/Close/ib
Shaun Van Horn is focused on antitrust, patent, and commercial matters, specializing in the intersection of these areas of law. Most of his matters are cross-border involving multi-national companies. Shaun counsels clients, leads investigations, and litigates in courts and arbitral forums.
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Damian Williams
Partner, New York
Investigations, Compliance, and Defense#fhtogglels/Expand/Close/ib
With a focus on cases that carry significant legal, reputational, and strategic risk, Damian Williams leverages his deep public service and prosecutorial experience to advise corporations, institutions, and individuals facing high-stakes litigation, government investigations, and enforcement actions. As Co-Chair of Jenner & Block’s Litigation Department and Co-Chair of the Investigations, Compliance, and Defense (ICD) Practice, Damian plays a central role in guiding clients through complex legal and reputational challenges, particularly in matters involving crisis management, white-collar defense, and regulatory scrutiny.
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Derek Wright
Partner, Chicago
Bankruptcy and Restructuring#fhtogglels/Expand/Close/ib
Derek Wright is an experienced litigator and advisor in complex bankruptcy and insolvency matters, guiding clients through Chapter 11 proceedings, out-of-court restructurings, high-stakes bankruptcy litigation, section 363 asset sales, and other insolvency-related matters and distressed scenarios. Derek represents a diverse array of stakeholders, including creditors, secured creditors, trustees, creditors’ committees and debtors.