Skip to content

William F. Wilder

Of Counsel
fax +1 602.257.6902

William Wilder represents clients in all aspects of public finance law in addition to corporate and securities matters, real estate transactions, and probate and estate planning.

Bill represents public entities and serves as counsel to issuers, underwriters, indenture trustees, borrowing entities, and as bond counsel in connection with public financing transactions. He also serves as a general counsel to many profit and nonprofit corporations.

Bill is a frequent lecturer at various legal and continuing education seminars and programs.


LL.B., University of Arizona, Tucson, Arizona, 1964, Graduated 3rd in class
B.S., University of Arizona, Tucson, Arizona, 1962


AV-Rated Attorney by Martindale-Hubbell

Named among Best Lawyers in America® for Corporate Law (2013-2024), Public Finance Law (2007-2024) by Best Lawyers

Named to Legal Leaders’ Top Rated Lawyer List


National Association of Bond Lawyers, Member

Arizona and Maricopa County Bar Associations, Member

Arizona Bar Foundation, Founding Fellow

State Bar Licenses


Court Admissions

U.S. District Ct., District of Arizona


  • Arizona Desert Bighorn Sheep Society, Member
  • Arizona Historical Society, Member
  • Roosevelt Rough Riders, Member
  • Phoenix Art Museum, Member
  • Desert Botanical Garden, Trustee (2009-2018 and 1997-2007), President of the Board of Trustees (2004-2006)
  • Volunteer at the Desert Botanical Garden (2019-present)
  • Phoenix Community Alliance, Director (1994-present)
  • Audubon Arizona, Director (2006-2012)
  • Arizonans for Cultural Development, Director (1994-2000)
  • The Arizona Club, Director (1993-1997), President (1995-1996)
  • Assistance League of Phoenix, Chapter Advisory Board (1989-1993)
  • National Municipal League, Regional Vice President (1985-1986)
  • American Heart Association Arizona Affiliate, Director (1975-1983), Chairman of Board (1982-1983)
  • Ducks Unlimited, Phoenix Area Chairman (1974-1976)
  • Boy Scouts of America, Assistant Scoutmaster (1965-1975)