Mariah F. DiGrino

Jennifer Romig is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Jennifer practices law in Chicago, Illinois Best Lawyers has recognized Jennifer Romig since 2025. 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 Jennifer Romig is held by other lawyers.

Described as "an absolutely first-class lawyer" with "tremendous expertise in fund formation and joint ventures" by industry publications such as The Legal 500 US, Alvin Katz has been helping real estate investors and developers close their most important deals for more than 40 years. Alvin is consistently ranked in the top tier of Chicago real estate lawyers by Chambers USA: America's Leading Lawyers for Business, which quotes clients praising his "exceptional intelligence" and describe him ...

Joel T. Cooper focuses his practice on transactions including acquisitions, dispositions, development and partnership and joint venture formation, with a special emphasis on private equity fund formation and private equity investment. As a partner in Hahn Loeser’s Chicago office, Joel is a part of the Business Practice Area, focusing in corporate and real estate law. Joel represents institutional sponsors of private equity funds, major money center banks, life insurance companies and ot...

Don brings to the table more than 30 years of experience advising companies and executives on best practices in executive and board compensation. Working within the framework of tax, accounting, SEC reporting, and bank regulatory issues, Don helps guide his clients on how best to recruit, incentivize, and retain top talent as well as advise individual executives in their transition into and out of C-Suite positions. Don is a partner in Barack Ferrazzano’s Compensation & Benefits Gro...

Ziemowit T. Smulkowski is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Ziemowit T. practices law in Chicago, Illinois Best Lawyers has recognized Ziemowit T. Smulkowski since 2026. 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 Ziemowit T. Smulkowski is held by other lawyers.

Tye Klooster counsels high-net-worth families on how best to preserve their legacies and transfer wealth to future generations. A fellow of the American College of Trusts and Estates Counsel, Tye serves clients who rely on him to design and implement sophisticated and personalized estate plans. Tye designs estate plans which allow high-net-worth individuals to leverage use of their gift, estate and generation-skipping transfer tax (GST) exemptions and to pass wealth to the next generation in ...

Russell is a Partner at Kirkland & Ellis LLP where he has spent his entire 36+ year career. He focuses his trial, appellate and alternative dispute resolution practice on patent infringement matters and disputes involving and related to technology transfer and patent license agreements. His trial practice includes jury trials, arbitrations and Section 337 proceedings before the U.S. International Trade Commission. His appellate practice concentrates on appeals in the Court of Appeals for ...

Jill B. Berkeley formerly chaired the firm’s Insurance Policyholder practice group and remains an active member of the group. She represents policyholders and claimants in insurance coverage disputes involving toxic torts and hazardous wastes, environmental pollution, construction, products liability, intellectual property, first-party property, business interruption and excess liability matters. In addition to her robust litigation practice, Jill provides counsel on clients’ deve...

Jason S. Ornduff advises high net worth families, business owners, executives, professionals and celebrities on state and federal laws regarding wealth transfer to the next generation, including estate planning, estate and trust administration, and estate and gift tax issues. Jason also counsels closely-held companies on various legal issues, especially in the areas of succession planning. Jason is a past president of the Greater North Shore Estate and Financial Planning Council. He is also a...

As an advisor and counselor to entrepreneurs, closely held businesses, and wealthy families and their family offices, Steve Gustafson draws upon multiple disciplines to provide integrated tax, business and financial advice. Steve’s practice has a substantial emphasis in the areas of tax and financial transactions, including structuring corporate, joint venture, commercial and real estate transactions, as well as assisting family businesses with tax and financial planning matters. He als...