Mark T. Sullivan, AIA, NCARB, CDT, CXLT Architecture, Construction & Premises Safety Expert

Mark T. Sullivan, Architecture, Construction & Premises Safety Expert

Mark Sullivan is a Texas-based registered architect and construction administration professional with more than 25 years of practical experience. His architectural career began with single-family residential and expanded to include multi-purpose sports facilities, K-12 schools, and higher education facilities. Mark applies his expertise to forensic casework involving premises liability disputes, construction claims, and architectural professional liability.

With experience managing construction projects from schematic building design through substantial completion, Mark is qualified to address functional aspects and potential challenges encountered during the design and construction phase. 

Prior to Robson Forensic, Mark was a Design Realization Leader at the global architecture firm of Gensler, where his responsibility included technical development of construction documentation, and management of construction administration. He performed Quality Assurance / Quality Control and documentation peer reviews on projects within the Houston, Miami, Los Angeles, and San Diego offices. 

Having designed residential, commercial, and institutional projects, Mark is well versed in applicable codes, accessibility guidelines, and industry standards, and analyzes how building artifacts contribute to safety and hazard mitigation.

Mark earned his Bachelor of Architecture from Louisiana State University. He is licensed in multiple states, including Texas and Colorado, and is certified by the National Council of Architectural Registration Boards. Mark conducts forensic investigations throughout the Southwest from offices in both Denver and Houston. He is a member of the American Institute of Architects, the Texas Society of Architects, and ASTM International. Mark holds additional testing and inspection credentials involving the English XL slip tester, the TRIAX TOUCH surface impact tester, and as a Certified Playground Safety Inspector.

Areas of Expertise

Premises Safety: Slips, trips, fall incidents, walkway construction and safety; slip resistance, investigations and testing, effectiveness of warnings, efficacy of illumination, delineation of hazards in parking lots, stairs, single-rise steps, ramps, corridors, platforms and level changes; walk-off mats; low energy power- assisted doors; and adaptive-reuse of historic buildings.

Construction Materials Failures: Water intrusion related issues; brick, stone, and concrete; gutter and flashing system failures; roofing system failures; parapet wall copings; expansion joint failures; sealant and caulk system failures, window and curtainwall system failures.

Building Design and Planning: Project and design coordination; codes and standards, means of egress, quality assurance/quality control review, and specifications. Residential housing, commercial buildings, K-12 and higher education buildings, athletics, fitness, sports arenas, and multi-purpose facilities.

Sports and Entertainment Facilities: Collegiate and Professional Stadium and Multi-purpose Arenas; retractable seating, fixed and demountable seating, vomitory sizing, sight line studies, concessions, suites, club room, press-box, rigging grid, and catwalks. Athletic practice facilities; gymnasium, weight room, locker room and training room facilities. Turfgrass, synthetic turf, sports flooring, sports equipment, loading docks, scoreboards, ice floor and ice refrigeration equipment.

Professional Practice: Standard of care, Owner Architect Agreements, General Conditions, construction administration, punch lists, submittal review, design errors and omissions, unforeseen and changed conditions, betterment, construction documents and closeout procedures.

Building Failures and Property Damage: Building envelope failure, above grade and below grade waterproofing; walking surfaces and site access, drainage, maintenance related failures, walls, roofs, cladding; excavation, expansive soils & soil treatments, foundation settlement, building systems, and building assemblies.

Conspicuousness of Hazards: Placement, effectiveness, and illumination of warnings; signage; color and contrast of adjacent materials.

Building and Site Safety: Hazards, warnings, stairway tread and landing design, guardrails, handrails and balusters, open-sided drop-offs, ramps, walkways; walkway and surface safety, site and circulation issues, loading areas, accessibility, operations and maintenance, parking lots and parking structures, entrances and wayfinding, means of egress and assembly spaces.

Building Systems and Equipment: Utilities and utility connections, pilings, underpinning, shoring, footings, foundations, structural fill; structural systems, post tensioned and cast-in-place concrete, wood, steel, pre-engineered metal buildings (PEMB); exterior envelope systems, roofing, flashing, windows, storefronts, curtainwalls; doors, windows, hardware; interior and exterior finishes; commercial kitchen equipment, elevators; mechanical, electrical, plumbing systems, fire protection and sprinkler systems.

Accessibility: Americans with Disabilities Act (ADA), Texas Accessibility Standards (TAS), site accessibility, building accessibility, accessible routes, accessible building components including ramps, entrances, toilet rooms, protruding objects, walking surfaces, curb ramps, signage, and detectable warnings.

Professional Experience

Robson Forensic, Inc


2022 to present

Provide technical investigations, analysis, reports, and testimony toward the resolution of commercial and personal injury litigation involving: slip, trip and fall injuries, facility conditions, workplace safety, code compliance, standards, accessibility, facility design, construction progress, maintenance, construction failures and claims.

MS Architecture, DBA

Sole Proprietor

2020 to present

Design and construction documentation for residential home additions & renovations in the Houston area.


Project Manager/Technical and Realization Leader

2008 to 2022

Technical development of project and construction documentation. Worked on several project types including K-12 Educational Buildings, Higher Education Buildings, Sports Facilities, Multi-purpose Arenas, Critical Facilities and Office Buildings.

Performed Quality Assurance/Quality Control reviews (QA/QC), code analysis and peer reviews for project construction documents and specifications at different phases of development, Building Information Modeling (BIM), performed construction administration tasks; site visits, field reports, photo documentation, web-based construction administration software platforms, pay application review/certification, proposed change order and Change Order review, submittals, RFI’s, contractor construction deficiency tracking/resolution and project close out documentation.

Leo A Daly

Project Manager/Project Architect

1997 to 2008

Documented projects from schematic design through Construction Administration for Higher Education Sports Practice Facilities, Multi-Purpose Arenas and Office Buildings. Produced construction documents and developed exterior details, performed code analysis review, occupancy calculations, egress travel distance calculations, vomitory sizing and egress widths as well as plumbing fixture counts. Coordination and resolution of conflicts between disciplines during design documentation and typical Construction Administration tasks through project close out.

Kevin L Harris AIA Architect

Intern Architect

1995 to 1997

Prepared construction documents for custom homes, residential and commercial addition/ renovations, and participated in construction administration tasks. Performed analysis and documentation of existing conditions for renovation projects.

Professional Credentials

  • Licensed Architect: Arizona, Arkansas, Colorado, Louisiana, Mississippi, Nevada, New Mexico, Oklahoma, Tennessee, Texas
  • Certified by the National Council of Architectural Registration Boards (NCARB)
  • CSI Construction Documents Technologist (CDT)
  • Certified Operator of the English XL Variable Incidence Tribometer (CXLT)
  • TRIAXTouch Surface Impact Tester #C953
  • Certified Playground Safety Inspector (CPSI)


Bachelor of Architecture, Louisiana State University, Baton Rouge, Louisiana

Continuing Education

  • Codes - ICC and the Differences in Each State, September 2023
  • Codes – ICC and ANSI – How Do They Relate? September 2023
  • Personal Protection Safety! September 2023
  • How to Spot and Detect - Heat loss and Water Intrusion, September 2023
  • Slips - ASTM F2508 - ANSI/ASSE A-1264.3–2007, September 2023
  • Head Form – Equipment for Testing the Surface Under Playground Equipment That Can Cause Head Injuries, September 2023
  • What’s Behind the Wall or in the Pipe? September 2023
  • The Architect’s Seal: An Ethical and Legal Obligation, July 2023
  • Fire Safety in Buildings Part I: Fire Behavior and Fire Department Operations, July 2023
  • Let It Snow: Modern Snow Retention Systems, June 2023
  • Spray-in-Place Polyurethane Insulation Systems, June 2023
  • Equity for All: Practice Innovation Through Accessible Design, April 2023
  • Barrier Free Design & 2010 Standards, December 2022
  • Lighting the Path for Building Egress Safety, November 2022
  • Beyond Barrier Free, November 2022
  • Mold and Moisture Prevention Part I, August 2022
  • Security and Crash Rated Bollards, July 2022
  • Building Envelopes Part II: Design Perception and Construction Methods, July 2022
  • Options for Brick Veneer, July 2022
  • Oklahoma Architectural Rules Act, May 2022
  • Subsurface Conditions Part 1: Basic Concerns/Design Information/Division of Responsibilities, April 2022
  • Why Buildings Fail Part 1: Forces & Destructive Agents: Natural & Human Caused Hazards, March 2022
  • Understanding the Architect’s Standard of Care, March 2022
  • Building Envelopes Part I: History and Types, March 2022
  • Whole Building Energy Performance: Driving Towards Net Zero and Energy Security, February 2022
  • ADA Persistent Mistakes, November 2021
  • Protecting the 1st Side of the Building, November 2021
  • Doors, Frames, and Hardware, November 2021
  • Texas Accessibility: Inside Edition, September 2021
  • Natural Stone Facades: An Introduction, September 2021
  • Pre-Engineered Metal Buildings (PEMB), August 2021
  • Avoiding ADA Violations, August 2021
  • Technology Paints & Coatings; Specialty Powder Coating, August 2021
  • Electronic Leak Detection Testing, Standards, Science, and Practical Applications,
  • August 2021
  • Firestop 101: A Life Safety Issue, August 2021
  • Building Enclosure 101, July 2021
  • Façade 101: An Overview of Façade Design for Architects, July 2021
  • Accessible Building Entry Solutions for Historically Significant Buildings, July 2021
  • Proper Masonry Detailing Techniques, February 2021
  • Opening Doors to Design Opportunities with the Model Building Codes,
  • January 2021
  • Introduction to the Existing IBC, August 2020
  • Type V Wood Frame Multifamily Design Basics, August 2020
  • 2018 IECC Commercial Electrical Power and Lighting Systems, August 2020
  • Exterior Cladding and Fire Protection: More Than Skin Deep, May 2020
  • Advanced Concepts of the IBC-Alternate Methods and Modifications, May 2020
  • Height and Area Calculations-Choosing the Right Construction Type, May 2020
  • Means of Egress: Basic Exiting, May 2020
  • QAQC–Signing & Sealing, April 2020
  • Unique and Expensive ADA Errors, April 2020
  • Construction Administration: Communication and Best Practices, February 2020

Professional Memberships

  • American Institute of Architects (AIA)
  • Texas Society of Architects (TSA)
  • ASTM International (Formerly American Society for Testing and Materials)
    • Committee F08: Sports Equipment, Playing Surfaces, and Facilities
    • Committee F13: Pedestrian Walkway Safety and Footwear
    • Committee D08: Roofing and Waterproofing

Speaking Engagements

“School as a Curriculum,” Gulf Coast Green Symposium, August 2014

v. 03/14/24

Related Resources

See All of Mark's Published Content

Hardwood Basketball Court Damage Claims

By Mark T. Sullivan
Expert Article

Hardwood gymnasium floor systems (basketball courts) have evolved substantially from the traditional tar, wood nailer course (sleepers), and finished floor material. Whether the court is in a…

Building Information Modeling (BIM): Construction Disputes

By Mark T. Sullivan
Expert Overview

This article provides an introduction to the basics of Building Information Modeling (BIM), design and project delivery methods and is a primer to the construction disputes found when utilizing BIM.…

Low Light Conditions in Arenas & Stadiums

By Mark T. Sullivan
Expert Article

Fixed seating assembly occupancies, such as arena and stadium venues, are designed to provide entertainment to large audiences, and must make the main event easily visible for seated audience members…