David Chizewer

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...

Ana Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ana, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ana is held by other top lawyers in the same geographic and legal practice area.

Anna serves as the vice-chair of Cozen O’Connor’s national Labor & Employment Department, where she has been integral to the growth and success of the firm’s L&E practice. Working out of the Chicago office, employers engage her to represent them in high-stakes, high-profile labor and employment litigation before state and federal courts and administrative agencies. She is also widely recognized as a “go to” legal resource for institutions of higher educat...

Donald L. Mrozek is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Donald L., who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donald L. is held by other top lawyers in the same geographic and legal practice area.

David K. Haase has extensive experience representing employers in all aspects of labor and employment law. He has particular expertise in litigating wage and hour class/collective actions, unfair competition claims, such as non-competition agreements and trade secrets, and employee benefits litigation. David has litigated the full panoply of employment-related matters before the federal and state courts. David is the chair of Littler’s Pro Bono Committee. He publishes frequently and lec...

Stephen Reynolds (CIPP/US, CISSP) advises some of the largest companies in the world on complex data security and privacy matters. A former computer programmer and IT analyst, Stephen is uniquely able to use his computer background to the advantage of his clients in matters involving data security, privacy, artificial intelligence and computer forensic investigations. He assists with responding to cybersecurity incidents, such as ransomware attacks, fund transfer fraud, data breaches and busi...

Michael Carrillo advises individuals and businesses on patent, trademark, copyright and trade secret matters, as well as on foreign and domestic patent and trademark protection. Michael navigates clients through and beyond developing, managing and policing small and large IP portfolios, creating practical strategies that leverage his clients’ assets while safeguarding their bottom line. A member of the firm’s Management Committee, Michael is listed among The Best Lawyers in Americ...

Jack Carriglio represents clients in commercial disputes, including the prosecution and defense of cases relating to contracts, business torts, bankruptcy, securities, product defects, patents, copyrights, trade secrets, partnership disputes, malpractice and professional disciplinary matters, and real estate litigation. In addition, Jack has a substantial practice in representing corporations and individuals at the federal grand jury, trial, and appellate courts in various criminal matters in...

Having served as a former Assistant Attorney General for the State of Illinois and Assistant Corporation Counsel for the City of Chicago, Jack George is a valued leader who possesses a deep knowledge of real estate law. Jack focuses his practice on real estate, land use, and zoning matters. He is instrumental in shaping the Chicago skyline, and has worked on numerous notable development projects consisting of complex elements such as zoning map amendments, planned development applications, an...

Thomas A. Demetrio is a trial lawyer with an emphasis on medical negligence, product liability, airplane crash and commercial litigation on behalf of plaintiffs. He is Past President of the Chicago Bar Association and Illinois Trial Lawyers Association. He is a fellow of: The American College of Trial Lawyers The International Academy of Trial Lawyers The Inner Circle of Advocates Tom has been listed in Best Lawyers in America since its inception in 1987 and was named by Best Lawyers as the C...