Sofia Valdivia

Jeffrey B. Kaplan P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Jeffrey B., 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 Jeffrey B. is held by other top lawyers in the same geographic and legal practice area.

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

Bill Arnault is a litigation partner in the Firm’s Chicago office. He focuses his practice in the restructuring context. He also has extensive experience litigating complex commercial cases in federal and state trial and appellate courts throughout the United States, including contract, energy, fiduciary duty, fraudulent transfer, bankruptcy, and employment cases. He has chaired or co-led multiple trials and hearings, including disputes involving Parker Drilling Company, Emerald Oil, In...

A seasoned legal professional, Dave adeptly navigates the intricate landscape of global client services. His comprehensive approach to strategic corporate matters seamlessly integrates diverse practice areas to serve his clients. With more than three decades of experience, Dave has been at the forefront of shaping critical business deals. He collaborates closely with a diverse clientele, including medical device clients, life sciences and technology clients, and health care providers and heal...

Emer Simic is a partner in the Intellectual Property Practice Group and focuses her practice on patent litigation and counseling in the pharmaceutical and biotech space. Emer has substantial experience successfully representing pharmaceutical and biotech companies in Hatch-Waxman and patent infringement disputes before the U.S. District Court and before the Patent Trial and Appeal Board (PTAB). A strategic advisor and compelling advocate, Emer partners with her clients to achieve their goals ...

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.

As a corporate attorney working with clients ranging from start-up entrepreneurs to institutional investors and established companies, Jeremy takes a collaborative, client-focused approach to helping clients understand legal and business risks and offers practical guidance to help them achieve their strategic objectives. Jeremy concentrates his practice on counseling investors (including private equity and venture capital funds and angel investors) in connection with their debt and equity inv...

Christopher Butler is a nationally recognized corporate partner who concentrates his practice in the area of debt financing transactions with an emphasis on acquisitions and highly leveraged financings. He represents private equity groups, private and public companies and lending institutions across a broad spectrum of industries. He also represents debtors in loan workouts and restructurings, including debtor-in-possession and exit financings. The transactions that Chris has led include majo...

Sean G. Wieber is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Sean G., 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 Sean G. is held by other top lawyers in the same geographic and legal practice area.

ADAM J. ZAYED Founder, Managing Attorney of Zayed Law Offices Personal Injury Attorneys Adam Zayed is a top-rated and award-winning Chicago personal injury lawyer . Since Zayed Law Offices Personal Injury Attorneys was formed in 2009, Adam Zayed has built a reputation among his peers in the legal field by providing vigorous yet compassionate representation. As the leader of one of Illinois’ most formidable trial law firms, Adam has been decorated with awards and appointments to leadersh...