Samantha Ruben

Rachel Brown is a partner in the Real Estate Group in the Chicago office of Kirkland & Ellis LLP. Her practice focuses on finance, venture formation, acquisitions and dispositions, and development. She advises borrowers and lenders in all types of real estate based financing transactions including first mortgage loans, construction loans, mezzanine financings, credit facilities, subscription facilities and other structured financings. Rachel also represents clients on workouts, loan sales...

Sarah F. King is one of Chicago’s rising medical malpractice lawyers at the firm and one of the most hard-working, intelligent attorneys one can find. She works tirelessly to investigate and prepare complex medical malpractice cases to achieve justice for those who have been harmed by medical negligence. She works with dedication and tenacity to get to the bottom of what actually happened and what proper practices should have been used to prevent injuries related to medical care. It is ...

For more than two decades, private debt providers and banks have turned to Derek Ladgenski to advise on their most complicated and challenging debt financing deals. Derek helps his clients close complex financings quickly and efficiently, without surprises or delays, and builds their relationships and market presence along the way. Derek counsels lead arrangers, administrative agents and lenders on cash-flow acquisition and recapitalization financings, "take private" transactions and debt fin...

Catherine (Cate) A. Battin represents clients in state and local tax controversies at the audit, administrative and judicial levels in numerous jurisdictions. She provides national state tax strategies for clients on a full range of state tax issues, including income tax apportionment, nexus, combination and sales tax characterization of products and services. She has defended numerous internet sellers in cases brought under the Illinois False Claims Act alleging fraudulent failures to collec...

Daniel McGrath chairs Hinshaw’s Product Liability Practice Group. He represents major manufacturers, distributors, and service provider businesses in product liability, toxic tort, environmental, medical device, construction and commercial matters. Mr. McGrath regularly defends clients in consolidated, mass tort and multidistrict litigation in a variety of jurisdictions as well as in national and regional forums. With more than 30 years of trial and litigation experience, Mr. McGrath ha...

A former chief patent counsel to a Fortune 500 communications company with deep first chair trial experience, Thomas Pasternak focuses his practice on patent, trademark, and trade secret litigation, licensing, and prosecution. He protects and defends his clients’ intellectual property rights in district courts throughout the United States, the International Trade Commission (ITC), the Patent Trial and Appeal Board (PTAB), and the Federal Circuit and Seventh Circuit Courts of Appeal. He ...

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

John Hartmann is a partner in Kirkland & Ellis LLP’s litigation practice group, where he focuses on shareholder, professional liability and business litigation matters, as well as regulatory enforcement proceedings and corporate internal investigations. John has represented leading corporations, professional services firms, private investment firms, as well as their directors, officers and partners, in numerous securities class actions, shareholder derivative suits, disputes over co...

Lori Shannon is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Lori, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lori is held by other top lawyers in the same geographic and legal practice area.

Edward A. Mas II is a Shareholder at McAndrews, and has been described by his clients and peers as a “terrifically savvy litigator” who “routinely secures the best position for his clients.” As an advocate, he is “experienced, smart, aggressive, and effective.” For more than twenty years, Ed’s trial and appellate litigation practice has focused on complex patent and technology-related litigation. He has served as lead trial counsel in numerous patent ...