Jason J. DeJonker

Wes is a partner in the Corporate & Securities practice group. He provides comprehensive legal services and advice to asset managers, proprietary trading firms, single-family offices, multifamily offices, and wealth management advisors. Wes counsels them on a wide range of transactional and regulatory issues, including corporate formation, structure and succession planning, operational and administrative matters, securities, futures, and derivatives matters, brokerage and derivatives docu...

Jason is a litigator and strategic counselor in all aspects of labor and employment law. He litigates unfair labor practices before the NLRB, arbitrates labor grievances, negotiates and administers collective bargaining agreements, and develops long-term labor strategies to maximize the value and effectiveness of each client’s workforce. He also litigates and provides daily counsel on matters arising out of the numerous federal and state counterpart statutes governing employers, includi...

As a founding partner of Barack Ferrazzano, Peter brings his personal success and experience in business to his corporate law practice. Peter’s clients appreciate his deep understanding of them and their businesses and industries, and view Peter as a trusted business adviser as well as their go to legal counsel to get deals done. Peter is a Senior Partner in the firm’s Corporate & Securities and Luxury groups. His practice focuses on corporate and securities law with an emphas...

Gregory R. Meeder is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Gregory R., who practices law in Chicago, Illinois, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory R. is held by other top lawyers in the same geographic and legal practice area.

When advising creditors in bankruptcies and reorganizations, Peter Siddiqui knows that his job is to make the best of a bad situation. Banks, hedge funds and private equity investors, as well as borrowers, turn to him to find swift solutions that protect their interests with minimal distress. Because he understands his clients' business realities — whether they're in the automobile, real estate, financial services or hospitality and resort industries — he offers advice that's not ...

Donald Patrick Eckler is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Donald Patrick, 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 Donald Patrick is held by other top lawyers in the same geographic and legal practice area.

A practitioner in the area of family law for over 30 years, Dean Dussias has built his reputation by representing entrepreneurs, executives and other prominent clients in high profile and financially complicated cases with a careful, discreet approach that solves problems and mitigates risks. While there are some cases involving children or unforeseen financial roadblocks that present unavoidable delays, Dean has learned from his vast experience that in most cases, the best approach is a prag...

Matthew J. Fischer is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Matthew J., who practices law in Chicago, Illinois, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew J. is held by other top lawyers in the same geographic and legal practice area.

Jennifer T. Nijman is a founding partner of the environmental firm Nijman·Franzetti LLP with wide ranging experience in litigation defense and enforcement issues as well as issues involving waste and contaminated property. She was formerly a partner and chair of the environmental practice group at the Chicago office of a national law firm. Ms. Nijman represents clients in environmental litigation and enforcement defense, including toxic tort claims, private party disputes, and actions ...

William (Bill) J. Butler focuses his practice on estate planning and probate administration matters. Bill counsels family groups and individuals on all aspects of wealth transfer planning, with an emphasis on formulating estate plans that maximize and protect wealth while minimizing transfer taxes. Bill is the global head of McDermott’s Private Client Group and is a member of the Firm’s Management Committee. Bill represents many large, multigenerational family groups, and also adv...