Jon N. Banashek

Jon N. Banashek Partner

  • Legal Assistants:
  • Liz Ridenour (Criminal Matters)
  • lir@bhgrlaw.com

  • Sakhone Louangrath-Vongphandy (Civil Matters)


  • Education
  • J.D., University of Colorado Law School, 1995
  • B.S., University of Missouri, 1992
  • Admissions
  • U.S. District Court, District of Colorado, 1995
  • U.S. District Court, Tenth Circuit Court of Appeals, 1995
  • Colorado, 1995
  • Experience
  • Professional Associations
  • Seminars
  • Publications
  • Pro Bono
  • Honors & Awards

Mr. Banashek is a partner at Berg Hill Greenleaf & Ruscitti LLP. His practice emphasizes criminal defense and civil litigation. 

Mr. Banashek has represented criminal defendants in a wide variety of matters including federal and state white collar crimes, federal and state drug offenses, extradition, drinking and driving cases, post-conviction remedies, as well as, crimes involving assault, domestic violence, sex, property, and computers. In addition, Mr. Banashek regularly handles administrative proceedings such as professional licensure issues for lawyers, doctors, nurses, etc., and represents students in Title IX hearings and CU Student Conduct hearings.

His civil practice includes real estate, residential and commercial construction disputes, tax and trust litigation, environmental and water law litigation and appeals, complex commercial litigation, medical malpractice, and product liability suits. In the area of personal injury, Mr. Banashek has represented both plaintiffs and defendants in cases involving serious injury and death.

  • Colorado Bar Association, Board of Governors 2007 - 2011
  • Colorado Bar Foundation, Fellow 2011 - Present
  • Colorado Criminal Defense Bar Association, Member 1995 - Present; Boulder Chapter Co-Chair 2004 - 2010
  • Boulder County Bar Association, Criminal Law Section 1995 - Present
  • Boulder County Bar Foundation, Fellow 2010 - Present
  • NORML, Legal Committee Member 2007 - Present
  • "Guardianships and Conservatorships When They Intersect with Criminal Cases" CLE Presentation, Denver, CO, March 9, 2016
  • University of Colorado Guest Lecturer, Trial Advocacy, 2014 - Present
  • "Appealing Administrative Findings of Child Abuse / Neglect and the Colorado TRAILS Database," presentation given at the Colorado Criminal Defense Bar monthly meeting, Boulder, Colorado, July 6, 2010
  • Moderator, Search and Seizure Law, Lorman Education, 2008
  • Search and Seizure Law, Lorman Education, 2004 - 2007
  • Criminal Record Sealing, Boulder County Bar Association, 2003 - 2005

Published Work

  • Polygraph Examinations: Admissibility and Privilege Issues, Colorado Lawyer, Vol. 31

Published Cases

  • Burlington Ditch Reservoir & Land Co. v. Metro Wastewater Reclamation Dist., et al., No. 09CA133, 2011 WL 2139902 (Colo. May 31, 2011)
  • Congregation Har HaShem; Board of Trustees, 2011 - 2013
  • Congregation Har HaShem; Campaign Committee, 2007 - 2009
  • Congregation Har HaShem; Ritual Committee, 2009 - 2011
  • Teens, Inc.; Board of Directors/Advisory, Board Member, 1998 - 2003
  • Mountain People's Cooperative; Board of Directors, 1996 - 1998
  • Boulder County Bar Association; Young Lawyer of the Year, 2000
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