Catalina J. Sugayan

Annemarie Tarara is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law Mediation. Annemarie, who practices law in Lake Forest, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Annemarie is held by other top lawyers in the same geographic and legal practice area.

Walt Holzer focuses on complex business transactions, including mergers, acquisitions, buyouts, recapitalizations, divestitures, venture capital and growth equity investing, and executive compensation. He has handled numerous transactions in a wide variety of industries for private equity, family office and strategic clients. Praised by clients for his "pragmatic approach, business acumen and sector knowledge" and his "expertise…and commerciality" and "valuable understanding of the mos...

Keith R. Anderson is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Keith R., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith R. is held by other top lawyers in the same geographic and legal practice area.

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...

Andy Langan has broad experience as litigation and trial counsel in a variety of commercial, antitrust, and products liability cases including class actions. He has been principal counsel to major corporate clients in high-stakes class actions alleging violations of the antitrust laws, as well as class actions alleging products liability, mass tort and breach of warranty. Andy has also been principal counsel in high-profile merger investigations and related litigation. He has tried, as lead c...

Michael Hartmann is active in all phases of intellectual property law with an emphasis in intellectual property litigation and technology protection and transfer in the United States and internationally. He has acted as lead trial counsel in jury and bench trials, International Trade Commission investigations, and related pre-trial and appellate proceedings in diverse technical fields. These include software, telecommunications, machine vision and semiconductor manufacturing, oil field drilli...

Nadine Abrahams is office managing principal of the Chicago, Illinois, office of Jackson Lewis P.C. She represents management in employment cases in federal and state courts and before administrative agencies. Prior to joining Jackson Lewis, Nadine was a partner with another prominent national labor and employment firm. She previously was senior counsel for the Employment Litigation Division of the City of Chicago Law Department. She has been based in Chicago her entire career and has extensi...

Michael (Mike) J. Sorrow focuses his practice on tax, estate planning, family business and trust and estate administration matters. Mike regularly advises wealthy individuals and families on all aspects of wealth and tax planning matters. In addition, Mike works extensively with families that control significant public and private businesses, counseling them and their family offices on matters relating to effective tax planning, succession and governance planning and the intra-family issues t...

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

Brian J. Tiemann counsels public and private companies on a broad range of employee benefit matters, including matters related to pension plans, 401(k) plans and executive and incentive compensation. He advises plan fiduciaries with respect to their fiduciary duties, investment policies and alternative investments. He also advises multinational clients on global employee benefits matters, particularly with respect to global incentive compensation plans. Brian has extensive experience negotiat...