John Sier concentrates his practice on dispute avoidance and resolution of commercial, healthcare, and construction contract issues as head of Kitch Drutchas Wagner Valitutti & Sherbrook’s construction and commercial litigation group. In the construction industry, he has experience in analyzing legal aspects of various project delivery methods including drafting construction contracts as well as assisting in dispute resolution and project completion.

John has published articles and presented seminars on construction, healthcare, and commercial issues across the country. Following his graduation from Drake University Law School and Graduate School in 1986, he established his practice in Detroit, Michigan, from where he continues to serve clients in various parts of North America.


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