Nicholas Ustaski

Maureen O'Brien is a partner in the Chicago office of Kirkland & Ellis LLP. Maureen's practice includes a broad range of employee benefits and executive compensation matters, and she has extensive experience with the M&A aspects of employee benefits and executive compensation, including strategic and private equity transactions. Maureen advises clients on the design and implementation of qualified and nonqualified retirement plans, welfare plans, Section 409A matters and equity and in...

Ken Davis helps his health care clients design, structure and grow their businesses. He represents physicians, hospitals, ancillary service companies and other health care and e-health providers and businesses in transactions and regulatory matters. With decades of experience and ranked as a leading lawyer by Chambers USA: America's Leading Lawyers for Business, Ken is a trusted legal advisor for his health care clients' businesses. Ken is one of America's best-known attorneys and frequently ...

Troy A. Groetken, Shareholder Email: tgroetken@taftlaw.com Tel. (312) 775-8259 Practice Areas: Global Intellectual Property Portfolio Analysis, Counseling & Management; Complex Chemical, Small-molecule Pharmaceutical, and Biotechnological Patent Prosecution; Intellectual Property Acquisition, Divestiture, and Licensing; Clearance, Freedom to Operate & Invalidity Opinions; Trademark Prosecution; Antitrust; Intellectual Property Landscaping Education: Drake University, College of Pharma...

William T. Gibbs is a partner at the Chicago personal injury and medical malpractice law firm of Corboy & Demetrio and concentrates his practice on cases arising from railroad negligence, automobile collisions, participation in sports, unsafe pharmaceuticals or medical devices, construction negligence, medical negligence, premises liability, product liability and aviation litigation. For more than a decade at Corboy & Demetrio, Bill has obtained numerous record-setting and multi-milli...

Derek G. Barella is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Derek G., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Derek G. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey (Jeff) M. Holdvogt regularly counsels public and privately held companies and tax-exempt organizations on a wide range of employee benefits matters. These include the design and administration of complex pension, 401(k) and 403(b) plans, nonqualified and executive deferred compensation arrangements, fiduciary and plan investment issues under the Employee Retirement Income Security Act (ERISA), internal compliance reviews and voluntary correction filings, and benefit plan matters arisi...

Anne M. Oldenburg is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Anne M., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne M. is held by other top lawyers in the same geographic and legal practice area.

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.

Michael Anderson-Colon is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

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