Mark Weissburg
About Mark Weissburg
Mark Weissburg is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2017. Mark Weissburg is recognized in the following practice area:
- Chicago, Illinois
- Workers' Compensation Law - Claimants
Current Firm: Horwitz, Horwitz & Associates
Education: University of Illinois Chicago, John Marshall Law School, J.D., graduated 1995
Location: Chicago, IL
Nearby Lawyers
Nicholas Berg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Nicholas, 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 Nicholas is held by other top lawyers in the same geographic and legal practice area.
Paul V. Possinger is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Paul V., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul V. is held by other top lawyers in the same geographic and legal practice area.
Edward R. Winkofsky, Chair of the Gaming Practice, focuses his practice on gaming regulatory compliance, licensure, and private equity investments in the gaming industry. He also advises clients on internal investigations and charitable gaming. Since joining the firm in 2010, Ed has served as regulatory counsel to gaming industry suppliers and operators, sports wagering and iGaming platform providers and content creators, horse tracks, video gaming route operators, lottery providers, tribal l...
Jim represents corporate and individual clients in antitrust and white collar crime defense matters and related commercial litigation matters in federal and state courts throughout the United States and before a variety of federal and state investigative agencies, including the Antitrust Division, United States Department of Justice, the Federal Trade Commission, United States Attorney’s Offices and the Securities and Exchange Commission. In the antitrust area, Jim focuses on litigating...
Laura M. Presto is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Laura M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura M. is held by other top lawyers in the same geographic and legal practice area.
Colin Dunn is a highly successful premise liability lawyer, aviation accident attorney, and partner at Clifford Law Offices. He obtained his law degree from Loyola University School of Law in Chicago, graduating magna cum laude. Mr. Dunn was eighth in his class of 169, and served on the Law Journal. During law school, he worked for the Honorable Justice Ann Williams of the Seventh Circuit Court of Appeals as well as for the Honorable Judge Ronald Guzman of the United States District Court for...
Gregory E. Spitzer is a partner in the Real Estate practice of the Paul Hastings Chicago office. He represents public and private companies and private equity firms in connection with acquisition, disposition, and financing transactions. Mr. Spitzer’s practice includes all aspects of commercial real estate acquisitions and dispositions, development, leasing, financing, and re-structuring matters. Mr. Spitzer has a particular focus in the areas of real estate restructurings and structure...
Jennifer L. Colvin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jennifer L., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.
With more than two decades of experience, Paul Quinn represents private equity funds and their portfolio companies in leveraged acquisitions and dispositions, corporate governance, and restructurings. Paul also represents management teams in employment and compensation arrangements, distressed-focused private equity funds in acquisitions in bankruptcy court and out-of-court processes; and private equity and venture capital funds in minority growth equity investments. Ranked by Chambers USA , ...
William (Bill) J. Butler focuses his practice on estate planning and probate administration matters. Bill counsels family groups and individuals on all aspects of wealth transfer planning, with an emphasis on formulating estate plans that maximize and protect wealth while minimizing transfer taxes. Bill is the global head of McDermott’s Private Client Group and is a member of the Firm’s Management Committee. Bill represents many large, multigenerational family groups, and also adv...
Explore and Learn
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.