Joseph D. Palmisano

Sonya counsels companies and organizations on various employee-related legal issues and needs that arise at all the stages of the employment relationship, including the negotiation of employment agreements, restrictive covenants, policies and training, performance management, internal investigations and individual and group separations. Sonya also represents employers in litigation, her experience including the successful defense of numerous administrative charges, lawsuits and appellate proc...

Chair of the firm’s Environmental Department, Erika Powers’ practice is totally focused on nationwide water quality issues. Her ability to understand the most complex details of a matter without losing sight of the macro agenda and big-picture client objectives is critical when analyzing the intersection of science and law surrounding water quality regulation. Notably, Erika provides veteran legal counsel regarding regulatory matters involving state and federal environmental agenc...

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...

Michael J. Hanahan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law and Litigation - Construction. Michael J., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Larry is chair of the firm’s Private Wealth Services practice group. He facilitates successful legal strategies for entrepreneurs, tax-exempt organizations, fiduciaries and high-net worth families and individuals. This work involves estate, gift and charitable planning issues, including business succession, tax-efficient ownership structures, sophisticated tax-exempt structures, trust and estate administration, executive benefits, life insurance and international estate planning for wea...

Charles A. Porretta is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Charles A., 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 Charles A. is held by other top lawyers in the same geographic and legal practice area.

Roshan P. Shrestha Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Roshan P., 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 Roshan P. is held by other top lawyers in the same geographic and legal practice area.

Tricia Meyer is Founder + Managing Attorney of Meyer Law, one of the fastest growing law firms in the United States! Meyer helps entrepreneurs and technology companies from startups to large corporations with day-to-day matters and notable clients include companies that have appeared on Shark Tank to companies gracing the Inc. 500 to some of the largest companies in the world. Tricia has been named on the Forbes Next 1000 list, is one of the Most Influential Female Lawyers in Chicago accordin...

Kevin represents his clients in all aspects of patent law, including due diligence investigations for mergers and acquisitions, patent counseling and prosecution, strategic management of patent portfolios, and opinion preparation, focusing his practice primarily on the biotechnological, pharmaceutical, and medical device industries. Kevin’s work encompasses a broad spectrum of technologies, including therapeutics such as cellular therapies, gene therapies, vaccines, large molecules (bio...

Arnold G. Rubin is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Arnold G., who practices law in Chicago, Illinois, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arnold G. is held by other top lawyers in the same geographic and legal practice area.