Warner Norcross + Judd LLP has welcomed John A. MacKenzie as partner.
A litigator, MacKenzie concentrates his practice on commercial litigation and real estate matters. His litigation practice focuses on high stakes “bet the company” cases, business torts, shareholder disputes, contract disputes, supplier disputes and employment claims. MacKenzie’s real estate practice brings a understanding of riparian rights and water laws, along with experience in residential and commercial transactions, land use and zoning challenges. He is based in the firm’s Macomb County office.
MacKenzie comes to Warner after seven years with Maddin, Hauser, Roth, & Heller in Southfield, where he was a shareholder in the firm’s litigation and dispute resolution practice. He previously worked with Kopka Pinkus Dolin in Farmington Hills and served as corporate counsel for Atain Specialty Insurance Company, where he handled property and casualty insurance matters. While in law school, MacKenzie clerked for Macomb County Circuit Court Judge Richard Caretti and as a legal clerk for The City of Highland Park.
MacKenzie received his bachelor’s degree from Oakland University and his law degree from Cooley Law School.
MacKenzie is a board member for All Ways Cares Services Inc. and Anchor Bay Community Foundation. He is a member of the State Bar of Michigan, Macomb County Bar Association, and Oakland County Bar Association. MacKenzie has been frequently recognized for his work, including by Best Lawyers® “Ones to Watch,” Michigan Lawyers Weekly “Up & Coming Lawyers” and as a Michigan Super Lawyers “Rising Star.”
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The Macomb County Prosecutor’s Office is proud to announce the nomination of Sian Hengeveld, chief of trials and circuit court, for the ATHENA Award. The ATHENA Award Program celebrates the potential of all women as valued members and leaders of the community, recognizing those who strive toward the highest levels of professional accomplishments and who devote time and energy to improving the quality of life for others.
As the chief of trials and circuit court, Hengeveld oversees approximately 70 assistant prosecutors and their dockets and trials, ensuring the effective administration of justice while upholding the highest ethical standards. Her experience includes trying numerous felony cases, including those involving criminal sexual conduct, child abuse, abusive head trauma, child homicide and human trafficking.
In addition to her professional accomplishments, Hengeveld is committed to serving her community. She has been a member of the Macomb County Lethality Team with Turning Point since 2023, advocating for victims of domestic violence and promoting initiatives to prevent intimate partner violence. Hengeveld also serves as a presenter for the Forensic Nursing Program at Oakland University, educating future healthcare professionals on the legal aspects of forensic nursing. Furthermore, she has been conducting countywide police department trainings since 2009, contributing to enhanced public safety measures across the region.
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Honigman is pleased to announce that I.W. Winsten has been inducted into the Wayne Law Wall of Fame. This recognition is the highest honor presented by Wayne State University Law School and celebrates Winsten’s professional success, positive influence on Wayne Law, and his character and integrity.
Established in 2016, the Wayne Law Alumni Wall of Fame Award acknowledges graduates, former faculty, and staff of Wayne State University Law School who have distinguished themselves in their fields of work, contributed significantly to the community or have had a significant impact on the law school.
Winsten’s track record includes numerous trial victories and a reputation for excellence in motion practice and settlement negotiations. His experience spans a wide array of matters, from disputes involving the sale of businesses and shareholder disagreements to real estate development and constitutional issues. He is also sought after for teaching trial skills to fellow legal professionals.
In addition to his legal career, Winsten serves as an adjunct professor at Wayne Law.
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Taft Detroit partner Jon Sriro spoke at the Michigan Technology Leaders Summit on April 11. He served on the executive panel “Cyber-Security: Best Practices for Post Hack.” The conference covered the latest insights in information technology and provided the opportunity for IT professionals to network and exchange ideas. One hundred percent of the profits from the summit will be donated back to the community via charitable initiatives by SIM Detroit and the Michigan Council of Women in Technology.
Sriro represents companies in technology transactions and data privacy and data security matters. He has experience counseling clients on a range of privacy, cybersecurity, and information management issues in the context of vendor/vendee agreements, data and data security issues related to mergers and acquisitions, compliance, business strategy, technology transactions, litigation, incident response preparation, insurance, data breach/incident, and regulatory compliance issues.
Sriro is a Certified Information Privacy Professional/United States (CIPP/US) with the International Association of Privacy Professionals.
A litigator, MacKenzie concentrates his practice on commercial litigation and real estate matters. His litigation practice focuses on high stakes “bet the company” cases, business torts, shareholder disputes, contract disputes, supplier disputes and employment claims. MacKenzie’s real estate practice brings a understanding of riparian rights and water laws, along with experience in residential and commercial transactions, land use and zoning challenges. He is based in the firm’s Macomb County office.
MacKenzie comes to Warner after seven years with Maddin, Hauser, Roth, & Heller in Southfield, where he was a shareholder in the firm’s litigation and dispute resolution practice. He previously worked with Kopka Pinkus Dolin in Farmington Hills and served as corporate counsel for Atain Specialty Insurance Company, where he handled property and casualty insurance matters. While in law school, MacKenzie clerked for Macomb County Circuit Court Judge Richard Caretti and as a legal clerk for The City of Highland Park.
MacKenzie received his bachelor’s degree from Oakland University and his law degree from Cooley Law School.
MacKenzie is a board member for All Ways Cares Services Inc. and Anchor Bay Community Foundation. He is a member of the State Bar of Michigan, Macomb County Bar Association, and Oakland County Bar Association. MacKenzie has been frequently recognized for his work, including by Best Lawyers® “Ones to Watch,” Michigan Lawyers Weekly “Up & Coming Lawyers” and as a Michigan Super Lawyers “Rising Star.”
• • •
The Macomb County Prosecutor’s Office is proud to announce the nomination of Sian Hengeveld, chief of trials and circuit court, for the ATHENA Award. The ATHENA Award Program celebrates the potential of all women as valued members and leaders of the community, recognizing those who strive toward the highest levels of professional accomplishments and who devote time and energy to improving the quality of life for others.
As the chief of trials and circuit court, Hengeveld oversees approximately 70 assistant prosecutors and their dockets and trials, ensuring the effective administration of justice while upholding the highest ethical standards. Her experience includes trying numerous felony cases, including those involving criminal sexual conduct, child abuse, abusive head trauma, child homicide and human trafficking.
In addition to her professional accomplishments, Hengeveld is committed to serving her community. She has been a member of the Macomb County Lethality Team with Turning Point since 2023, advocating for victims of domestic violence and promoting initiatives to prevent intimate partner violence. Hengeveld also serves as a presenter for the Forensic Nursing Program at Oakland University, educating future healthcare professionals on the legal aspects of forensic nursing. Furthermore, she has been conducting countywide police department trainings since 2009, contributing to enhanced public safety measures across the region.
• • •
Honigman is pleased to announce that I.W. Winsten has been inducted into the Wayne Law Wall of Fame. This recognition is the highest honor presented by Wayne State University Law School and celebrates Winsten’s professional success, positive influence on Wayne Law, and his character and integrity.
Established in 2016, the Wayne Law Alumni Wall of Fame Award acknowledges graduates, former faculty, and staff of Wayne State University Law School who have distinguished themselves in their fields of work, contributed significantly to the community or have had a significant impact on the law school.
Winsten’s track record includes numerous trial victories and a reputation for excellence in motion practice and settlement negotiations. His experience spans a wide array of matters, from disputes involving the sale of businesses and shareholder disagreements to real estate development and constitutional issues. He is also sought after for teaching trial skills to fellow legal professionals.
In addition to his legal career, Winsten serves as an adjunct professor at Wayne Law.
• • •
Taft Detroit partner Jon Sriro spoke at the Michigan Technology Leaders Summit on April 11. He served on the executive panel “Cyber-Security: Best Practices for Post Hack.” The conference covered the latest insights in information technology and provided the opportunity for IT professionals to network and exchange ideas. One hundred percent of the profits from the summit will be donated back to the community via charitable initiatives by SIM Detroit and the Michigan Council of Women in Technology.
Sriro represents companies in technology transactions and data privacy and data security matters. He has experience counseling clients on a range of privacy, cybersecurity, and information management issues in the context of vendor/vendee agreements, data and data security issues related to mergers and acquisitions, compliance, business strategy, technology transactions, litigation, incident response preparation, insurance, data breach/incident, and regulatory compliance issues.
Sriro is a Certified Information Privacy Professional/United States (CIPP/US) with the International Association of Privacy Professionals.
