Greenberg, Sada & Moody

A Collection Of Experience To Serve You


Alan Greenberg, Esq.

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Alan Greenberg, Esq.

Telephone: (303) 781-3529

Fax: (303) 783-2222


Mr. Greenberg has been licensed to practice law in the State of Colorado since 1989. His practice focuses on creditors’ rights, collections, FDCPA defense, insurance subrogation and breach of contract matters. He is admitted to practice in United States District Court for the District of Colorado, the Tenth US Circuit Court of Appeals, and before the United States Supreme Court.

Mr. Greenberg has been in the collections industry for over 30 years, starting as a debt collector for Payco General American Credits, Inc, which later became OSI Collection Services, Inc. He subsequently worked as a debt collector at United Bank of Denver before proceeding to the University of Denver Law School, Sturm College, to obtain his Juris Doctor.

After law school, Mr. Greenberg returned to OSI Collection Services, Inc., as its in-house counsel, before founding Greenberg & Tull, P.C., which later became Greenberg & Sada PC.

Mr. Greenberg has been a speaker and instructor at numerous collection seminars across the Rocky Mountains and national webinars.

Mr. Greenberg is a Colorado native and currently resides in Denver, with his wife.


  • American Collectors’ Association
    • Member Attorneys’ Program
    • Collection Notice Review Panel
  • Associated Collection Agencies Colorado/Wyoming
  • Colorado Creditors Bar Association (CCBA)
    • Continuing Legal Education Committee
    • Judicial Reform Committee
  • Colorado Bar Association
  • National Association for Subrogation Professionals

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