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Lewis Roca Appoints Jennifer Van Kirk and Susan Sperber to Executive Committee

Press Release

PHOENIX (April 15, 2024) – Lewis Roca proudly announces the appointment of Jennifer Van Kirk and Susan Sperber to its Executive Committee, effective April 1, 2024. They will each serve four-year terms, taking over responsibilities previously held by Mike Plachy and Anne Wang.

Jennifer Van Kirk, a seasoned partner based in the Phoenix office, specializes in intellectual property law. Her background spans trademark and brand protection, copyright licensing, and international trademark strategies. With extensive experience managing trademark enforcement programs for prominent clients and representing them in litigation, Van Kirk brings a wealth of knowledge to the Executive Committee.

Susan Sperber, another accomplished partner located in the Denver office, focuses on labor and employment law, religious institutions law, and immigration law. She has a proven track record of successfully handling employment-related disputes, internal investigations, wage and hour issues, and non-competition agreements. Sperber's experience also extends to advising schools and religious institutions on operational matters.

Ken Van Winkle, Managing Partner at Lewis Roca, remarked, “We are thrilled to have these two exceptional partners join our Executive Committee. Their appointment represents a significant step forward as they bring their notable leadership skills and experience to firm leadership. Appointment of such talented leaders to our leadership team, reinforces our commitment to our clients of delivering high-quality legal services in a client-centric manner.”

As members of the Executive Committee, Van Kirk and Sperber will play integral roles in guiding Lewis Roca's strategic initiatives, enhancing client services, and ensuring the firm's continued success in meeting the evolving needs of its clients. Their appointments underscore Lewis Roca's commitment to leadership excellence and delivering exceptional legal counsel.

About Lewis Roca

Lewis Roca is an Am Law 200 law firm serving clients globally in complex litigation, intellectual property, business transactions, gaming, government relations, labor and employment, and regulatory counseling. Its offices are located in Colorado Springs, Denver, Las Vegas, Los Angeles, Phoenix, Reno, San Francisco, and Tucson. To learn more about the firm, please visit our website at




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