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About me

As a trial attorney with commercial pilot certification in single-engine and multi-engine airplanes, an instrument rating, and an active flight instructor's license, I have a depth of understanding on the legal responsibilities of manufacturers, pilots, air traffic controllers, owners, operators, maintenance facilities, and others in the aviation realm.


For a full bio, please go to the Slack & Davis web site:


Here are some papers I have written on various topics involving aviation: 

The Pilot-Controller Relationship - Assessing Comparative Responsibility in General Aviation Crashes

Transactions Gone Bad: Litigation Between Buyers and Sellers of Aircraft


Languages spoken: English, Spanish

Photos and videos

199844 1265580025

Practice areas


  1. Aviation: 80%
  2. Personal Injury: 10%
  3. Business: 10%



Contingent (25-40%)

Attorney endorsements

2 total 

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  • Michael S. Waddington

    I endorse Mark. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • Seth Clark Harmonson

    Mark is a great lawyer and person. I highly endorse him for personal injury cases in Austin and for all aviation cases.


    Seth Harmonson Personal Injury Attorney
    Relationship: Fellow lawyer in community

Contact info

Slack & Davis, L.L.P.

2705 Bee Cave Road
Suite 220
Austin, TX, 78746

Slack & Davis, L.L.P

2911 Turtle Creek Boulevard
Suite 1400
Dallas, TX, 75219-6258



TXEligible To Practice In Texas 198010/19/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super Lawyers 2011- 2014 (Aviation, Business Litigation)Thomson Reuters2014
Board Certified-Civil Trial LawTexas Board of Legal Specialization1988
AV peer review rating: PreeminentMartindale-HubbellN/A
Work experience
TitleCompany nameDuration
PartnerSlack & Davis, L.L.P.2008 - Present
AttorneyLaw Office of Mark D. Pierce1989 - 2007
PartnerBeck & Pierce1988 - 1989
ShareholderKemp Smith1985 - 1988
Associate attorneyPassman & Jones1980 - 1985
Association namePosition nameDuration
American Board of Trial AdvocatesAdvocate2012 - Present
Texas Aviation AssociationMember, Board of Directors2012 - 2014
El Paso Bar AssociationChair, Consumer Law Committee2005 - 2006
State Bar of Texas, Committee on Rules of Disciplinary ConductMember2002 - 2004
Texas Board of Legal SpecializationAttorney, Legal Assistant Personal Injury Trial Law Commission1997 - 2001
Consumers Group of El Paso, Inc.Chair, Board of Directors1997 - 1999
El Paso Trial Lawyers AssociationPresident1994 - 1996
Society of Aviation and Flight EducatorsMember (Governance Committee; Government Affairs Committee)N/A
Lawyer-Pilots Bar AssociationPresident-ElectN/A
National Association of Flight InstructorsMemberN/A
American Bar Association, Tort Trial and Insurance Practice Section, Aviation and Space Law CommitteeMemberN/A
State Bar of Texas, Aviation Law SectionMembership ChairN/A
Texas Bar FoundationLife FellowN/A
Austin Bar AssociationMemberN/A
Capital Area Trial Lawyers AssociationMemberN/A
Texas Trial Lawyers AssociationFormer Member, Board of DirectorsN/A
American Association for JusticeChair, Aviation Law sectionN/A
Legal cases
Case nameOutcome
Thomajan vs. United StatesSettled
Kipp vs. United StatesSettled
4KS Aviation III, Inc. vs. DDH AviationSettled for confidential amount
See all legal cases 
Publication nameTitleDate
The ToastmasterThe Seven Communication Secrets of Trial Lawyers2003
School nameMajorDegreeGraduated
University of Texas School of LawN/ADoctor of Jurisprudence, with Honors1979
Speaking engagements
Conference nameTitleDate
Lawyer Pilots Bar Association Winter MeetingRecent Developments in Aviation Law2013
EPCTLA luncheon meetingClosing Strong: Turning a Good Case into a Great Verdict2013
CATLA Membership LunchHow to Ask for and Get Big Damages from Conservative Juries2013
SMU Air Law SymposiumGovernment Documents and Witnesses: Using FOIA and Touhy in Aviation Litigation2012
Planes, Trucks, and AutomobilesWhat You Should Know About Airplane and Helicopter Crashes2009
Civil Litigation ConferenceEffective Strategies for Growing and Adapting Your Practice2008
American Association for Justice Annual ConventionThe Pilot-Controller Relationship: Assessing Comparative Responsibility in General Aviation Crashes2008