William Newell Siebert, P.C. was founded in 1969 by William Siebert. Since its inception, the firm has been dedicated to representing the interests of temporary visitors and prospective immigrants alike.
William Newell Siebert has been practicing immigration law exclusively since 1969. he has dedicated his career to the representation of non-immigrants and immigrants to the United States. William Siebert has lectured and published widely about the ever-evolving filed of immigration law.
William Siebert is a member of the American Immigration Lawyer's Association, the Illinois State Bar Association (Chicago & Miami Chapters), the Chicago Bar Association, and is also admitted to the state bar of Florida.
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- American Immigration Lawyers Association (AILA)
- Chicago Bar Association
- Illinois State Bar Association