Charles S. "Chuck" Bergen

Sarah is a trusted strategic advisor to motor vehicle manufacturers, guiding them through the distribution of their products within the extensive state and federal regulatory landscape. Her significant business law & transactional background make her uniquely positioned to find creative solutions to solve complex business problems for her clients. Sarah is a co-chair of Barack Ferrazzano’s Motor Vehicle Group and leads the Group’s transactional practice. With over a decade of ...

Chair of the firm’s Environmental Department, Erika Powers’ practice is totally focused on nationwide water quality issues. Her ability to understand the most complex details of a matter without losing sight of the macro agenda and big-picture client objectives is critical when analyzing the intersection of science and law surrounding water quality regulation. Notably, Erika provides veteran legal counsel regarding regulatory matters involving state and federal environmental agenc...

Melissa A. Vallone is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Melissa A. practices law in Chicago, Illinois Best Lawyers has recognized Melissa A. Vallone since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Melissa A. Vallone is held by other lawyers.

Asheesh Goel is a one of the leaders of Kirkland’s government & internal investigations practice and serves on the Firm’s Executive Committee. Asheesh advises clients on securities enforcement matters, including internal investigations, government investigations and enforcement actions. Asheesh has developed substantial depth on enforcement matters and transactional issues involving the U.S. Foreign Corrupt Practices Act and other related laws, financial statement and disclosu...

For more than 30 years, Walter Weinberg has been advising private equity funds and other corporate clients as well as private equity professionals and executives. He represents sponsors in forming private equity and other funds as well as institutional investors and high-net-worth families who invest in this asset class. His years of experience and sound judgment in guiding clients through mergers and acquisitions (M&A), joint ventures, financings and other transactions allow him to offer...

Mr. del Hierro is a partner in the Corporate Practice Group of Kirkland & Ellis and heads our bank regulatory practice. He has more than 30 years of experience in representing banks and bank holding companies, thrifts and thrift holding companies, payments and fintech companies, investment banks and institutional lenders in connection with regulatory issues relating to capital formation transactions, mergers and acquisitions and complex financings. He has significant experience representi...

John M. Dickman is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. John M. practices law in Chicago, Illinois Best Lawyers has recognized John M. Dickman since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John M. Dickman is held by other lawyers.

Carolyn M. Passen is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Trademark Law. Carolyn M. practices law in Chicago, Illinois Best Lawyers has recognized Carolyn M. Passen since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carolyn M. Passen is held by other lawyers.

Kathy Roe, an attorney, is a founding principal of Health Law Consultancy in Chicago. Health Law Consultancy provides strategic legal counsel to enable health industry participants to manage the challenges and capitalize on the opportunities of the evolving health system. Roe’s experience, gained from nearly two decades of successfully representing health industry clients, covers health information technology initiatives; health information privacy, data security and electronic transact...

Richard R. Winter is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Richard R. practices law in Chicago, Illinois Best Lawyers has recognized Richard R. Winter since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Richard R. Winter is held by other lawyers.