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Trevor R. Caldwell

I strive to help clients achieve their objectives by facilitating ethical and efficient solutions to labor and employment issues. Whether disputes are resolved through negotiation, arbitration, or litigation, my advocacy is guided by the knowledge that many relationships will outlast the current dispute. Quotation mark
Trevor R. Caldwell
Trevor R. Caldwell

About Trevor

Trevor Caldwell represents public and private employers in labor relations and employment law matters. His labor relations practice focuses on negotiating collective bargaining agreements, contract administration, arbitration, and representing clients before state and federal agencies. Trevor counsels employers of all sizes and across a variety of industries on a multitude of employment-related issues. He uses a proactive approach, including employment advice, counseling, and training, to assist employers in crafting solutions that are best suited to their unique workplaces. Trevor frequently provides trainings for business owners, managers, and employees on topics such as harassment and discrimination, documentation practices, workplace investigations, and union organizing.

Before joining Miller Nash, Trevor practiced at a boutique law firm in Portland, exclusively representing employers in all areas of labor and employment law. Trevor previously served on active duty as a captain in the U.S. Army and has been a member of the Oregon National Guard since leaving active duty. He currently serves as an attorney in the Office of the Staff Judge Advocate (JAG).

Representative Experience

  • Prior to Joining Miller Nash LLP Plus
    • Successfully represented employers across a variety of industries in union organizing and election campaigns.

    • Defended numerous businesses against wage and hour claims brought by former employees.

    • Represented regional employer in the wood products industry in successful NLRB decertification election.

    • Represented law enforcement agency in discharge arbitration in which arbitrator upheld the discipline.

    • Successfully defended public employer in unfair labor practice proceeding before the Oregon Employment Relations Board alleging refusal to bargain.



  • J.D., University of Oregon School of Law, 2015
  • B.A., University of Portland, 2006

Bar Admissions

  • Washington, 2020
  • Oregon, 2015

Court Admissions

  • U.S. District Court, District of Oregon
  • U.S. District Court, Western District of Washington


  • Oregon National Guard, Office of the Staff Judge Advocate, 2015-present
  • U.S. Army, Officer, 75th Ranger Regiment & 82d Airborne Division, 2006-2012


Professional Plus
  • Multnomah Bar Association, member
    • Professionalism Committee, 2018-2019
    • Young Lawyers Section Pro Bono Committee, 2016-2019
  • Oregon State Bar, member
    • Military and Veterans Law Section, Executive Committee
      • Legislative Subcommittee, 2021
      • Chair, 2019-2020
      • Chair-elect, 2018-2019
    • Labor & Employment Section, 2015-present
  • American Bar Association, member
    • Labor & Employment Law Section, 2019-present
  • Oregon Public Employer Labor Relations Association (ORPELRA), member, 2019-present
  • Oregon Labor and Employment Relations Association (LERA), member
Civic Plus
  • Veterans of Foreign Wars, life member
  • Disabled American Veterans (DAV), life member
  • Oregon National Guard, Office of the Staff Judge Advocate (JAG), attorney, 2015-present

Insights from Trevor

  • “Nuts and Bolts of Labor Law: Private Sector,” Oregon State Bar, Labor & Employment Boot Camp (Sep. 2021)
  • “Workplace Investigations: Best Practices for the Public Sector,” Association of Washington Cities Labor Relations Institute (May 2021)
  • “Playing Offense During the Grievance Process & Winning at Arbitration,” Oregon Public Employer Labor Relations Association (ORPELRA) (Nov. 2020)
  • “Labor & Employment Update,” Northwest Public Power Association, Member Meeting (Feb. 2020)
  • “Employment Law Updates,” Columbia Gorge HR Professionals (Feb. 2020)
  • “Labor & Employment Law Update,” Oregon Labor Law Conference (Jan. 2020)
  • “Military Leave: What Employers Need to Know,” HRsimple, webinar (Nov. 2019)
  • “Employment & Labor Law Update,” Citycounty Insurance Services (CIS), Public Safety Conference (Aug. 2019)
  • “Document Preservation & Record-Keeping for Oregon Employers,” Oregon Bureau of Labor & Industries, 34th Annual Employment Law Conference (Nov. 2018)

Outside the Office

Trevor enjoys spending time in the outdoors and traveling with his wife, two children, and Australian Shepherd.