International Society of Primerus Law Firms
Spencer R. Prosen
Practice Areas:

Spearfish Attorney
Spencer R. Prosen

Phone: 605.722.9000


Languages: English

Spencer is originally from Nashville, Tennessee, and received his bachelor’s degree from the American Public University System.  Spencer served with the Oregon Army National Guard for more than eight years, which included a deployment to Afghanistan, participation with the Oregon National Guard State Partnership Program with Vietnam, and state disaster management coordination.  He worked for the State of Oregon for two years, coordinating military response efforts to fight wildfires, before attending and graduating first in his class from Willamette University School of Law in 2021.   

Spencer received many awards throughout law school and gained years of practical experience as a law clerk in both the private and public sector and as a judicial extern with the United States District Court for the District of Oregon.

Spencer enjoys mountain biking, snowboarding, golfing and spending time with his girlfriend Kaila.


  • State of South Dakota


  • American Public University System, 2018
  • Willamette University School of Law, 2021


  • Willamette University – Certificate in Law & Business, 2021

Honors & Awards

  • Willamette University College of Law – Aristeion Symeon Symeonides
    • Outstanding Academic Achievement in Earning the Highest GPA, Class of 2021
  • National Member of the Order of Barristers, 2021

Contact This Firm

Lynn, Jackson, Shultz & Lebrun, P.C.

311 North 27th Street
Suite 4
Spearfish, SD 57783
United States

Law Firm Contact: Jeffery D. Collins

Tel: 605.722.9000

Fax: 605.722.9001



Member Since: 2020

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