Mark D. Werner
About Mark D. Werner
Mark D. Werner is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2015. Mark D. Werner is recognized in the following practice area:
- Chicago, Illinois
- Commercial Finance Law
Current Firm: Sidley Austin LLP
Education: University of Virginia, J.D., graduated 2002
Location: Chicago, IL
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Michael A. Haber is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Michael A., who practices law in Highland Park, Illinois, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael A. is held by other top lawyers in the same geographic and legal practice area.
Fredric P. Andes is a partner in the Chicago and Washington, D.C., offices of Barnes & Thornburg and the leader of the firm's water team. Fred is involved in counseling and litigation on issues arising under various federal and state environmental laws, with a special emphasis on Clean Water Act matters. Fred is also advising trade associations, industries, and municipalities on TMDLs, permits, and other water quality matters on the state and federal levels, including development of water...
Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...
Laurie S. Randolph is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Laurie S., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurie S. is held by other top lawyers in the same geographic and legal practice area.
Matthew S. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Matthew S., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew S. is held by other top lawyers in the same geographic and legal practice area.
Anne E. Larson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Employment Law - Management. Anne E., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne E. is held by other top lawyers in the same geographic and legal practice area.
Anup Sathy is an internationally recognized practitioner in matters relating to corporate restructurings, workouts and Chapter 11 reorganizations. He represents and advises companies, buyers, boards, investors and lenders in all aspects of distressed and insolvency situations and has restructured well over $100 billion of debt obligations. Described as a “phenomenal lawyer” who is “intellectually gifted” and “a great problem solver,” Anup has been selected ...
For over 50 years, Bruce Sperling has been winning record-breaking and game-changing jury verdicts, court judgments, and arbitration awards for plaintiffs and defendants in high-stakes litigation. Experienced in virtually every area of the law, Mr. Sperling has favorably resolved wide-ranging commercial disputes for Fortune 500 companies, privately held enterprises, and individuals. His cases have included securities, antitrust, patents, trade secrets, corporate governance, real estate develo...
Gretchen Scavo is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Mergers and Acquisitions. Gretchen, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchen is held by other top lawyers in the same geographic and legal practice area.
Eleni Kouimelis is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Eleni, who practices law in Chicago, Illinois, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eleni is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.