Gregory Leighton

David R. Doyle is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David R., 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 David R. is held by other top lawyers in the same geographic and legal practice area.

Laura Keidan Martin counsels health care providers on their most challenging transactions and compliance issues. As co-chair of Katten's national Health Care practice, she represents hospitals and health systems, ancillary services and post-acute care providers, physician groups and life sciences companies. Ultimately, Laura's work on both transactional and compliance matters paves the way for health care providers to successfully navigate risks while achieving business objectives. Toward tha...

Eric S. Rein is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Commercial Litigation. Eric S., 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 Eric S. is held by other top lawyers in the same geographic and legal practice area.

Antonio M. Romanucci is a principal and partner in the Chicago based law firm of Romanucci & Blandin, LLC, where he focuses his practice on catastrophic personal injuries arising from medical malpractice, construction and other workplace accidents, nursing home negligence, aviation disasters and police misconduct cases, including civil rights actions. His passion for fighting on behalf of injured victims and their families was sparked when his best friend from high school suffered a fatal...

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...

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...

Ziemowit T. Smulkowski is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Ziemowit T., 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 Ziemowit T. is held by other top lawyers in the same geographic and legal practice area.

Mark A. Carter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Mark A., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Ken is a senior member of Kirkland’s dynamic Asset Finance & Securitization Practice Group. According to Chambers 2021, sources consider Ken to be one of the "godfathers of the auto finance industry." Since 1990, he has handled securitizations and principal finance matters involving a variety of asset classes on behalf of originators, underwriters, platform agents, principal finance groups and conduit sponsors. Ken has been extremely active in ABS reform matters. He participated in ...

Peter P. Knight is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Peter P., 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 Peter P. is held by other top lawyers in the same geographic and legal practice area.