Katherine E. Culbertson

Steve is a partner in the firm’s Litigation Department, where he represents clients in complex civil litigation matters before state and federal courts throughout the country. He has considerable experience with commercial disputes, constitutional challenges, statutory interpretation issues, and defamation and invasion of privacy suits. He is skilled at representing municipalities in cases involving so-called “locally undesirable land uses” such as airports, music amphitheat...

Eric Sparks is a lawyer recognized by Best Lawyers in the practice area of Construction Law. Eric practices law in Chicago, Illinois Best Lawyers has recognized Eric Sparks since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Eric Sparks is held by other lawyers.

Arthur Yuan is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Arthur practices law in Chicago, Illinois Best Lawyers has recognized Arthur Yuan since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Arthur Yuan is held by other lawyers.

Matthew C. Crowl is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Criminal Defense: White-Collar. Matthew C. practices law in Chicago, Illinois Best Lawyers has recognized Matthew C. Crowl since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Matthew C. Crowl is held by other lawyers.

Stephen M. Fatum is a partner in the Chicago office of Barnes & Thornburg. He concentrates his practice in the Healthcare Department. Stephen's focus has been on legal and strategic matters affecting physicians, physician organizations and not-for-profit corporations. Stephen routinely negotiates employment agreements, stock transfer agreements, operating agreements and affiliation agreements. He also defends physicians subject to disciplinary proceedings.Stephen is the former general cou...

Sergio Acosta is Co-Chair of Akerman’s White Collar Crime and Government Investigations Practice. A former federal prosecutor and Fellow of the American College of Trial Lawyers with over 70 jury trials to his credit, he has extensive experience defending companies and individuals in criminal and regulatory proceedings, conducting internal investigations, and counseling clients on compliance programs and related issues. Sergio represents companies and individuals in regulatory, civil, a...

Gabriel Aizenberg is a commercial litigator representing corporate and individual plaintiffs and defendants in complex proceedings in federal, bankruptcy and state courts and arbitration forums. He focuses his practice on litigation areas such as fraud, contractual disputes, business torts, breach of fiduciary duty, claims of violations of non-competition and non-solicitation agreements, trade secret misappropriation, and government contracts. Gabriel has experience in post-judgment proceedin...

Rob has more than 25 years of experience advising financial institutions on mergers and acquisitions, public and private securities offerings, recapitalizations, and contract negotiations. Clients have commented that Rob is personable, efficient, strategic, and committed to his clients’ success. Rob is a co-chair of Barack Ferrazzano’s Financial Institutions Group. Rob focuses his practice on serving financial institutions in all their corporate needs, including advising them on t...

Lisa G. Esayian is a lawyer recognized by Best Lawyers in the practice area of Litigation - Insurance. Lisa G. practices law in Chicago, Illinois Best Lawyers has recognized Lisa G. Esayian since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lisa G. Esayian is held by other lawyers.

Gregg Dorman is a partner in Nixon Peabody’s Real Estate group and has more than 35 years of experience representing sellers, purchasers, landlords, tenants, owners, investors, and developers on real estate transactions across industries and asset types, including retail, office, industrial, mixed-used, healthcare, entertainment, and sports venue projects. My focus I represent clients on all aspects of complex commercial real estate transactions, including the acquisition, disposition, ...