Jennifer A. Barrett

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/

Holby is a strategic intellectual property advisor who focuses on the creation, development, protection and enforcement of numerous sophisticated global patent and trademark portfolios. His practice encompasses all aspects of patent and trademark development, including prosecution, licensing, opinion work, counseling and due diligence. Holby provides legal services with a full appreciation of the perspectives of in-house counsel, management and technical staff, routinely advising them regardi...

Robert M. Weiss provides legal and strategic advice on commercial IT matters, and represents clients worldwide in a variety of complex technology transactions, including systems integrations, infrastructure and business process outsourcings , technology development and licensing projects, ERP implementations, cloud computing and web hosting arrangements, data center and co-location agreements and telecommunications procurements. Rob also advises clients on e-commerce, corporate finance and jo...

John Hartmann is a partner in Kirkland & Ellis LLP’s litigation practice group, where he focuses on shareholder, professional liability and business litigation matters, as well as regulatory enforcement proceedings and corporate internal investigations. John has represented leading corporations, professional services firms, private investment firms, as well as their directors, officers and partners, in numerous securities class actions, shareholder derivative suits, disputes over co...

As employers increasingly seek to hire and retain talented foreign national employees to maximize competitiveness, Tejas is empathetic to their needs and offers practical immigration law advice. He is committed to guiding employers of all sizes – across a diverse cross-section of industries, including finance, banking, education, transportation, and healthcare – in efficiently and economically sponsoring workers for permanent residency in the United States through Program Electron...

Richard (Dick) A. Lang delivers the Firm’s wide array of legal services to many of the wealthiest individuals and families in the United States. He concentrates on wealth transfer and income tax planning for venture capital and entrepreneurial clients, as well as counseling for family offices. Read full biography: https://www.mwe.com/people/lang-richard-a/

Catherine Basque Weiler is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Medical Malpractice Law - Defendants. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...

David Zwaska is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. David, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Guinevere M. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax. Guinevere M., 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 Guinevere M. is held by other top lawyers in the same geographic and legal practice area.