Elizabeth P. Mazzacco

Heidi Steele is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Heidi, 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 Heidi is held by other top lawyers in the same geographic and legal practice area.

Marc R. Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marc R., who practices law in Bannockburn, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc R. is held by other top lawyers in the same geographic and legal practice area.

Bill Welke focuses his practice on the tax aspects of complex business transactions and entities, including: mergers, acquisitions, and leveraged buyouts; venture capital and other private equity investments; formation of private equity funds; joint ventures and partnerships; workouts and restructurings; tax contests and controversies. Described as having “encyclopedic knowledge of tax structuring strategies” and “adept at cross-border international tax planning in the conte...

Ms. Mogul is a Partner with Grund & Leavitt. She has concentrated her practice in the field of family and matrimonial law, with a special emphasis in litigation.Ms. Mogul received her Juris Doctor, with honors, from the Chicago–Kent College of Law in 1998 with a certificate from the Litigation and Alternative Dispute Resolution program. Ms. Mogul actively taught trial advocacy at leading law schools in Chicago and has been invited to participate in the University of Chicago Law Scho...

Ron Damashek recognizes that litigation is a place very few people want to be, but all too many people end up. Operating from that mindset makes Ron a practical lawyer, working to get to the bottom line quickly and enabling his clients to make educated, cost-effective decisions. Regardless of whether the path leads to settlement, arbitration, or trial, Ron stands side-by-side with each client, prepared and ready to succeed. As counsel to secured creditors, Ron regularly litigates and works ou...

Dave Resnicoff helps sophisticated companies and executives manage government investigations, whistleblower allegations, and global compliance obligations in a practical way. Dave has experience in a wide variety of industries, and especially in life-sciences, medical device, and medical technology. Dave helps his clients build and assess their compliance programs in light of their business model and risk profile. He helps them respond credibly and proportionately through internal investigati...

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

Brandon applies his extensive litigation experience to help his clients reach resolutions that advance their business interests. From advising motor vehicle manufacturers on disputes with their distribution networks to counseling real estate clients on disputes concerning properties they own or lend against, Brandon seeks to understand what drives his clients’ businesses and lets that guide his approach in the conference room or the courtroom. Brandon regularly counsels motor vehicle an...

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

Richard L. Dees advises owners of privately and publicly held companies and wealthy families on control, tax, and business planning issues. Richard helps clients save estate taxes and develop succession plans targeted for S corporations, and regularly consults with other lawyers, accountants, financial planners, insurance consultants and trust officers on Internal Revenue Service (IRS) litigation and structuring business transactions. He also has experience on the farm estate tax valuation ru...