Robin Zephier, Esq. Photo

Robin L. Zephier, Esq.


Robin's fields of law practice include civil litigation and appeals (tribal, state and federal), Indian/Tribal Law matters of all type (tribal, state and federal), Personal Injury, Bad Faith and Insurance Fraud and Misrepresentation Cases against the insurance industry (all Plaintiffs’ work, no defense alliance), Consumer Protection, Fraud and Deceit, and Environmental concerns.


  • Graduate of Aberdeen Roncalli High School, Aberdeen SD (1979)
  • B.A. in Business Administration, University of South Dakota, Vermillion, SD (1983)
  • Juris Doctorate, Univ. of South Dakota School of Law, Vermillion, SD (1986)

Legal Experience

Robin practiced law with the Pennington County Public Defenders Office, Rapid City, SD from 1989 to 1994 and then worked at the Abourezk Law Office with former South Dakota US Senator James Abourezk in Rapid City, SD from 1994 to 1996. He later formed the law firm of Abourezk & Zephier in 2000 in Rapid City, SD with Charles Abourezk, which remained in business till 2015 when they were joined by Jon LaFleur to form the law firm of Zephier & LaFleur, P.C.

Memberships and Bar Admissions

  • South Dakota State Bar (1988 to present)
  • United States Supreme Court Bar
  • Colorado State Bar (1988 to present)
  • Trial Lawyers College, WY (1998)
  • Western Law Advocacy (1997)
  • United States Federal District Court of SD, Colorado
  • US Court of Federal Claims (2006)
  • US Court of Appeals (8th and Federal Circuits)
  • Cheyenne River Sioux Tribal Court
  • Rosebud Sioux Tribal Court
  • Oglala Sioux Tribal Court
  • Sisseton Wahpeton Oyate Tribal Court
  • Yankton Sioux Tribal Court
  • Standing Rock Sioux Tribal Court
  • Lower Brule Sioux Tribal Court
  • Prairie Island Indian Community Tribal Court
  • Cheyenne River Sioux Tribe in SD (Mnincoju Lakota)
  • Innocence Project of SD
  • CASA Board Member (1995-99)
  • Trial Lawyers for Native American Rights
  • Sierra Club of SD Board (2013-15)

Robin currently resides in the sacred He Sapa (Black Hills aka Black Mountains of SD), the aboriginal lands of the Lakota, with his wife Patti and their little JoJo. He is also an author, environmentalist, a Protector, human rights advocate and an active member of the community of Grandmother Earth (Unci Maka).  

Zephier & LaFleur, P.C. What Sets Us Apart
  • We Speak Your Language

    We'll skip the legalese and explain your case in plain words - and we're quick to make a joke.

  • Fighting for the Underdog

    We're passionate about advocating for the “little guy” and have successfully fought against large opposition.

  • Client-Motivated

    We tailor your strategy to what matters the most to you. Wish us, you'll always come first.

  • Native American-Owned
    We are a locally owned firm and our attorneys are licensed in State, Federal, and Tribal Courts.
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