David L. Niederdeppe

Ryan Rapp & Underwood PortraitsPractice Areas

Case Highlights and Depth of Experience

David was born and raised in the Midwest. He has been practicing law in Arizona for over 35 years, focusing his practice in the area of employee benefits, with an emphasis on collectively bargained plans as well as issues under the Arizona Public Safety Personnel Retirement System. He has counseled and represented benefit plans in matters relating to contribution collections, claims, and compliance issues. David also represents a number of local boards under the Public Safety Personnel Retirement System.

Get To Know David in His Own Words

“I hope that my counsel and advice have assisted benefit plan representatives in their efforts to make good decisions.”

Professional Experience/Affiliations

  • Practicing Law in Arizona for more than 35 years
  • Member, State Bar of Arizona
  • Member, State Bar of Nebraska Association (inactive)
  • Member, American Bar Association
  • Member, National Association of Public Pension Attorneys
  • Member, American Judicature Society


  • J.D., University of Nebraska, 1975
  • B.S., University of Nebraska, 1971

Bar Admissions

  • Nebraska, 1975
  • Arizona, 1976
  • U.S. District Court, District of Arizona, 1976


David L. Niederdeppe vCard


Back to Attorneys