Jonathan S. Baker

Jon Ballis is Chairman of the Executive Committee of Kirkland & Ellis, one of the world’s leading law firms with 6,500 professionals (including more than 3,000 attorneys) around the world committed to the highest quality legal advice and unparalleled client service. In his role, Jon is responsible for establishing and executing upon Kirkland’s strategic priorities, including advancing business initiatives and promoting a culture of performance, collaboration and collegiality. ...

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.

Timothy A. Wolfe is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Timothy A., 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 Timothy A. is held by other top lawyers in the same geographic and legal practice area.

Karen V. Paige has over 20 years of experience in litigation and mediation, practicing in Lake and Cook Counties, as well as over a decade in Los Angeles during the first part of her career. In addition to significant experience handling a wide range of financial and parenting matters, Ms. Paige has years of experience as a guardian ad litem in Lake County. Recently named to the Best Lawyers in America, Ms. Paige brings her collective experience to each case, tailoring that experience to the ...

Margaret P. Battersby Black is an award-winning attorney who has played a key role in a number of nursing home and medical malpractice cases at Levin & Perconti. Her commitment to her practice has achieved noteworthy results for clients in all types of personal injury, nursing home, and malpractice matters. She is also committed to the advancement of women in the legal profession and serves as a mentor to law students and younger lawyers. In 2015, she was honored by IIT-Chicago-Kent Law S...

Joseph R. Lanser is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Joseph R., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph R. is held by other top lawyers in the same geographic and legal practice area.

Nicholas Berg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Nicholas, 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 Nicholas is held by other top lawyers in the same geographic and legal practice area.

Charles Harris helps high-net-worth individuals and owners of closely held businesses on matters related to tax and estate planning. Charles is recognized as a leading lawyer on tax and estate planning by the Chambers High Net Worth guide, which cited his "expertise in handling planning for US citizens with foreign interests, including US citizens who live elsewhere, or who are marrying a non-US citizen. As a certified public accountant as well as a private practicing attorney, Charles helps ...

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

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