Ruben I. Gonzalez

Attorney Helena Trachtenberg is dedicated to working with individuals facing complex family law issues. Her experience in working with couples has offered her valuable perspectives on the different approaches to marital dissolution. Whether a couple is seeking a traditional litigated divorce, mediated or collaborative law approaches to divorce, Helena Trachtenberg has the experience couples seek. Beyond divorce strategies, Helena offers prenuptial agreement services for engaged couples planni...

Eleni is chair of the firm’s nationally ranked Environmental Law Practice and a fellow of the American College of Environmental Lawyers. Prior to joining the firm in 1989, Eleni served as Assistant Regional Counsel with USEPA where she brought actions to enforce the air, water, and chemical statutes in judicial and administrative forums, and provided legal counseling and policy assistance to program clients in these areas. Learn more about their practice.

John V. Kalantzis is a complex personal injury attorney whose practice spans aviation law, wrongful death, and serious, multi-jurisdictional injury cases. He represents individuals and families in high-stakes litigation involving corporate negligence and systemic failures, combining strategic advocacy with a thoughtful, client-centered approach to help them navigate life’s most difficult circumstances. As a member of the firm's nationally recognized aviation practice, John has advocated...

Gary C. Karch advises clients on the federal income tax aspects of partnership and limited liability company transactions, including acquisitions, investments, joint ventures and restructurings. Read full biography: https://www.mwe.com/people/karch-gary-c/

Cathy Miller focuses her practice on business litigation, representing both plaintiffs and defendants in federal and state courts and arbitrations. Her experience includes representing clients in Telephone and Consumer Protection Act (TCPA) and Fair Labor Standards Act (FLSA) class action matters, real estate litigation, and routinely litigating commercial breach of contract, tortious interference, and restrictive covenant disputes. A significant portion of her practice involves handling empl...

James Mayer is a senior counsel in Nixon Peabody’s Real Estate group and focuses his practice on all aspects of real estate law, with extensive experience in retail, office, and industrial leasing. My focus I focus my practice on commercial real estate law, including all aspects of real estate acquisition, development, leasing, operation, management, and disposition. My clients include real estate pension funds, investment advisory groups (for their own accounts and unrelated third part...

Earl is chair of the firm’s Corporate & Securities practice group. He has extensive experience representing public and private companies and individuals in corporate, partnership and joint venture transactions. His experience includes complex mergers and acquisitions, representing both buyers and sellers, restructurings, spin-offs, and divestitures. He regularly advises family offices regarding governance, succession planning, optimal investment structure, tax planning and executive...

Peter M. Siavelis is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Peter M. practices law in Chicago, Illinois Best Lawyers has recognized Peter M. Siavelis 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 Peter M. Siavelis is held by other lawyers.

Mark R. Galis is a lawyer recognized by Best Lawyers in the practice areas of Patent Law and Trademark Law. Mark R. practices law in Chicago, Illinois Best Lawyers has recognized Mark R. Galis since 2016. 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 Mark R. Galis is held by other lawyers.

Michael R. Friedberg is a lawyer recognized by Best Lawyers in the practice areas of Tax Law and Trusts and Estates. Michael R. practices law in Lake Forest, Illinois Best Lawyers has recognized Michael R. Friedberg since 2013. 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 Michael R. Friedberg is held by other lawyers.