Thomas A. Marrinson

E. Lynn Grayson is a partner in the environmental law firm of Nijman Franzetti LLP in Chicago. She is consistently recognized as a leading environmental lawyer by Chambers USA , The Best Lawyers in America , Who’s Who: Environment , Illinois Super Lawyers, and the Leading Lawyers Network . She is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability. Ms. Grayson formerly was a partner and chair of the environmental practice gro...

Bill has almost 40 years of experience in bankruptcy litigation. Bill is a calming and relaxed force while being a committed advocate for his clients. Bill is the senior member of Barack Ferrazzano’s Bankruptcy & Creditor Rights Group. In recent years Bill has focused his practice on representing secured debt holders and landlords in Chapter 11 cases and other insolvency proceedings. Bill has litigated a broad variety of cases in the bankruptcy courts, including stay relief, adequat...

Kim Nemirow is a partner in the Government & Internal Investigations Group in the Chicago office of Kirkland & Ellis LLP. Kim has nearly 20 years of experience advising multi-national organizations advising clients on highly sensitive and complex matters, including U.S. DOJ and SEC investigations, internal investigations and compliance matters. She had led countless investigations for private equity, pharmaceutical, medical device, technology and other clients into potential violation...

John M. Popelka focuses his practice exclusively representing public and private sector clients in the area of Workers’ Compensation law. Equally comfortable in the courtroom and at the negotiating table, a significant portion of his practice involves litigating and settling claims for union workers who suffer career-ending injuries, permanent total disability, catastrophic injuries requiring home modification and lifetime medical care, and death cases. John joined Anesi Ozmon in 1993, ...

Ana Valenzuela is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. Ana practices law in Chicago, Illinois Best Lawyers has recognized Ana Valenzuela 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 Ana Valenzuela is held by other lawyers.

James Hallagan is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. James practices law in Chicago, Illinois Best Lawyers has recognized James Hallagan since 2008. 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 James Hallagan is held by other lawyers.

Sonya counsels companies and organizations on various employee-related legal issues and needs that arise at all the stages of the employment relationship. She seamlessly navigates negotiation of employment agreements, restrictive covenants, policies and training, performance management, internal investigations and individual and group separations. Sonya also represents employers in litigation; her experience includes the successful defense of numerous administrative charges, lawsuits and appe...

Nate Hole counsels clients with respect to emerging marketing, technology, and data-related products and services, including issues related to online and digital marketing and assets, privacy and data optimization, social media integrations, mobile apps, Internet of Things and connected devices, e commerce and electronic payments. Nate provides practical solutions and creative counsel to help clients bring new products and services to market, and to leverage data, technology, connectivity and...

Mr. Deer represents management in a variety of employment-related matters, including litigation involving age, race, sex, and disability discrimination claims, covenants not to compete, trade secrets, wage and hour claims, ERISA claims, and other workplace torts. Mr. Deer has been named in the 2009 and 2010 editions of The Best Lawyers in America.Mr. Deer has acted as lead trial counsel in employment discrimination/wrongful discharge cases in the federal district and state courts in Illinois,...

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...