Timothy P. " Tim" Callahan

Jeffrey A. Zaluda is a partner at Horwood Marcus & Berk and chairs the Trusts and Estates Group. He advises individuals, families, fiduciaries, closely held businesses and business owners with respect to estate planning, business planning, asset protection and preservation, estate and trust administration, tax planning, and estate and trust litigation. Jeff is a technically adept estate planner, comfortable with both the straightforward and the sophisticated. His clients value his ability...

Marcos Reilly is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Marcos, 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 Marcos is held by other top lawyers in the same geographic and legal practice area.

Carolyn M. Passen is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Carolyn M., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carolyn M. is held by other top lawyers in the same geographic and legal practice area.

Alan R. Greenfield is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Alan R., 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 Alan R. is held by other top lawyers in the same geographic and legal practice area.

Trial lawyer Jerry Santangelo has extensive experience representing major financial institutions, securities broker-dealers, RIAs, financial advisors, and individual investors in federal and state courts and arbitration proceedings. He has won many multimillion-dollar cases in courts across the nation and personally has tried nearly 100 securities industry arbitrations to final judgment. Few lawyers have Jerry’s level of experience in handling securities industry arbitrations for invest...

Nathan draws on over two decades of insolvency and workout experience to provide practical and insightful advice to clients. He builds relationships to obtain favorable results in both transactional and litigation matters. Nate is the chair of Barack Ferrazzano’s Bankruptcy & Creditor Rights Group. He has extensive experience in all aspects of business reorganizations, workouts, and bankruptcies, inside and outside of court restructurings. This includes the representation of credito...

Todd Maynes focuses his practice on the tax aspects of debt restructurings, bankruptcy and insolvency, and tax litigation. Todd has served as Chair of the Planning Committee for both the University of Chicago Federal Tax Conference and the Chicago-Kent College of Law Federal Tax Institute. He teaches bankruptcy taxation at Northwestern University School of Law and the Law School at the University of Chicago, previously taught advanced income taxation at Chicago-Kent College of Law, and has le...

Ranked by Chambers USA for both taxation and tax controversy, The Legal 500 , and Best Lawyers in America , David Blum provides transactional, tax planning, and tax litigation counsel to local and multinational businesses throughout the United States. His practice serves a variety of sectors, including telecommunications, automotive retail, equipment leasing, financial services, senior care, logistics, hospitality, and retail, among others. According to a client quoted in Chambers , “Da...

G. Peter Nichols is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. G. Peter, 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 G. Peter is held by other top lawyers in the same geographic and legal practice area.

Howard has always understood that business involves risk. Howard works with his clients to understand their business, their goals, and their level of risk tolerance. That understanding enables him to craft solutions that work for his clients. It is one reason why he has represented many of his clients for decades. For more than 40 years, Howard has served as a trusted lawyer and adviser to clients ranging from some of the world’s largest and best-known real estate, tech, software, and o...