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About me

Derek H. MacKay, a partner since 2013, is a member of Brown & James' Kansas City office.  Mr. MacKay's practice focuses on complex commercial litigation, including the defense of cases involving products liability, personal injury, arson-fraud litigation and commercial transportation.  He has tried cases and argued appeals in federal and state courts throughout Missouri and Kansas.  Significant recent matters include the defense of a semi-trailer manufacturer in a dealership contract dispute and the defense of a property developer wherein defense verdicts were obtained for the client.  He also represents insurance carriers in cases involving bad faith and extra-contractual liability disputes. 

In addition, Mr. MacKay has counseled corporate clients with respect to employee non-compete agreements and claims of discrimination.  Mr. MacKay has been recoginzed by Super Lawyers from 2011- to the present.  Prior to joining Brown & James in 2006, he worked for an Am Law 100 firm in Chicago.


Practice areas


  1. Business: 35%
    9 years, 100 cases
  2. Commercial: 25%
    9 years, 100 cases
  3. Wrongful Termination: 20%
    9 years, 100 cases
  4. Fraud: 10%
    9 years, 100 cases
  5. Insurance: 10%
    9 years, 100 cases


Payment types:

Cash, Check, Credit card

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Contact info

Brown & James PC

1100 Main St Ste 1900
Kansas City, MO, 64105-5176


KSAuthorized to practice law200710/12/2015
MOGood Standing, Active200601/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Rising StarSuper Lawyers2014
Rising StarSuper Lawyers2013
Rising StarSuper Lawyers2012
Rising StarSuper Lawyers2011
Work experience
TitleCompany nameDuration
PrincipalBrown & James P.C.2006 - Present
School nameMajorDegreeGraduated
DePaul University College of LawLawJuris Doctrine2006
Speaking engagements
Conference nameTitleDate
Brown & James SeminarCo-Employee Liability2015
National Business InstituteDetermining Coverage and Valuing Damages in UM/UIM Cases2014
Greater Kansas City Claims AssociationThe Ins and Outs of Investigating and Defending a Fire Loss2014