Jon N. Banashek

Equity Partner 

Jon uses his experience, intellect, fresh perspective, rigorous preparation, and tireless advocacy to help his clients manage crises and solve complex legal problems in the United States and abroad.

Jon represents clients throughout the U.S. and abroad on multi-faceted issues across a wide range of legal disciplines, including civil litigation, criminal defense, international law, and personal injury cases.


Jon practices in state and federal civil court, representing individuals and corporate clients in all types of civil cases, including banking, breach of fiduciary duty, civil theft, commercial contracts, conservatorship and guardianship, corporate governance, fraud, insurance, intellectual property, real estate, securities fraud, and trusts and estates. Jon is also experienced in water law litigation and appeals. He has successfully represented his clients in disputes involving hundreds of millions of dollars.


Jon represents individual and corporate defendants in federal and state criminal courts on everything from investigations to protective orders, grand juries, jury trials, appeals, post-conviction work and related licensing, regulatory, and administrative issues. He is experienced in all types of criminal matters, including multi-jurisdictional white-collar crimes as well as assault, domestic violence, drug manufacturing and sale, murder, sexual assault, vehicular homicide and assault, and theft.


Jon represents individuals, and corporations with assets located throughout the world on matters concerning banking, breach of fiduciary duty, commercial contracts, corporate governance, fraud, insurance, intellectual property, real estate, trusts and estates, and white-collar crimes. He helps his clients manage local counsel, accountants, liquidators, and other professional advisors. He has handled matters in BVI, Canada, Cayman Islands, China, England, Holland, Jamaica, Jersey, Italy, Malta, Montenegro, Slovakia, and Spain. 


Jon represents plaintiffs and defendants in cases involving severe injury and death in vehicular and workplace accidents and related insurance coverage disputes. He also handles medical malpractice and product liability suits.

Jon has served on BHGR’s Management, Compensation, and Ethics Committees, and leads the firm’s Criminal Practice Group.


J.D., University of Colorado School of Law

B.A., University of Missouri


U.S. Court of Appeals, Tenth Circuit (1995)

U.S. District Court, District of Colorado (1995)

Colorado (1995) 

Admitted pro hac vice in: Arizona, California, Delaware, Massachusetts, Montana, Nebraska, New York, and South Carolina

Colorado Bar Association (Board of Governors, 2007-2011)

Boulder County Bar Association (Criminal Law Section)

Colorado Bar Foundation

Boulder County Bar Foundation

Colorado Criminal Defense Bar Association (Boulder Chapter Co-Chair, 2004-2010)

NACDL, National Association Criminal Defense Lawyers

Burlington Ditch Reservoir and Land Co. v. Metro Waster Reclamation Dist., 256 P.3d 645 (Colo. 2011)City of Englewood v. Burlington Ditch, Reservoir and Land Co., 235 P.3d 1061 (Colo. 2010)

Guardianships and Conservatorships When They Intersect with Criminal Cases, Presenter, Colorado Legal Education (2016)

Trial Advocacy, Guest Lecturer, University of Colorado School of Law (2014-2016)

Appealing Administrative Findings of Child Abuse/Neglect and the Colorado TRIALS Database, Presenter, Colorado Criminal Defense Bar (2010)

Search and Seizure Law, Moderator/Panelist, Lorman Education (2004- 2008)

Criminal Record Sealing, Presenter, Boulder County Bar Association (2003-2005)

Polygraph Examinations: Admissibility and Privilege Issues, Colorado Lawyer, 31 Colo. Law. 69 (2002).  

Jon grew up in St. Louis, Missouri, and embodies the “Show Me” State attitude to his legal work. Outside of the office, he enjoys spending time with his wife and two grown sons, participating in endurance athletic events, free diving, running, skiing, traveling, and “wildernessing.” 

Jon has also served in various volunteer capacities for Congregation Har HaShem in Boulder, Colorado (Board of Trustees, 2011-2013; Campaign Committee, 2007-2009; Ritual Committee, 2009-2011) and on the Board of Directors for Teens, Inc. (1998-2003) and Mountain People’s Cooperative (1996-1998).

Boulder County Bar Association, Young Lawyer of the Year (2000)

Relevant Practice Areas




Legal Insights + News

Cheers to 25 Years of Teamwork

. Partner Jon Banashek and legal assistant Liz Ridenour began their journey together at Banashek & Strauss in 1998. Four years later, when Jon joined the team at Berg Hill Greenleaf Ruscitti, he brought Liz with him, where they have been working ever since. In a...