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Our Team Leadership 

Dr. Matthew Hallowell

Executive Director

Dr. Matthew Hallowell is a President’s Teaching Scholar and Endowed Professor of Construction Engineering at the University of Colorado at Boulder. He earned a BS and MS in Civil Engineering and a PhD with a focus on Construction Engineering and Occupational Safety and Health. Before his academic career, he worked in construction as a laborer, project engineer, and quality inspector.


Dr. Hallowell specializes in construction safety research, with an emphasis on the science of safety. He has published over 100 peer-reviewed journal articles on energy-based hazard recognition, safety leading indicators, safety risk assessment, predictive analytics, and precursor analysis. For his research, he has received the National Science Foundation CAREER Award, the inaugural Thomas F. Farrell, II Safety Leadership and Innovation Award,the Construction Industry Institute Outstanding Researcher Award.

List of publications (Google Scholar)

Hagan Headshot.jpg

Evan Hagan

General Manager

Evan Hagan has over 15 years of experience working for a major Aerospace and Defense Company. He holds a BS in Electrical Engineering as well an MBA with a Concentration in Engineering Management.  Evan began his career as a Field Engineer performing site installations, before transitioning to Site Lead and Site Surveyor.  During this time, he performed work at Federal and US Military sites across the country and abroad.  Most recently, Evan has held roles of Hardware Evolution Manager within the PMO on a large-scale sustainment contract, as well as Deputy Program Manager on a project in development.

Evan coordinates business operations for Safety Function including communication with our industry partners, accounting and finance, contracting, and sustainability. 


Dr. Antoine Tixier
SafetyAI co-founder

Antoine Tixier co-founded SafetyAI in 2020 with Matt Hallowell and leads its R&D activities. He earned a MS in Mechanical and Electrical Engineering from ESTP Paris in 2011, and a MS and PhD in Civil Engineering from CU Boulder in 2013 and 2015, with a focus on data-driven, quantitative construction safety. Antoine interned as a city engineer in Montreal, a site manager in France, and was trained in gas and arc welding and machining.

​Between 2015 and 2020, Antoine was a researcher and lead teaching assistant at the computer science department of École Polytechnique, the top engineering school in France. He specialized in machine learning and deep learning for natural language processing and graph analysis. Antoine has published more than 20 papers in top-tier international peer-reviewed journals and conferences, both in the construction safety and general AI domains, and has designed and delivered close to a hundred hours of AI programming lab sessions to CS graduates.

List of publications (Google Scholar)


Matt Morris

Principal Training Specialist

Matt Morris is a registered professional engineer and has extensive experience in many aspects of the engineering and construction industry. He holds a BS and MS in Civil Engineering from the University of Colorado, Boulder. In his roles as a civil engineering officer in the U.S. Air Force and a project manager for a major commercial general contractor, Matt has led over 160 projects totaling over $1 Billion. As a professor at the United States Military Academy at West Point, the University of Colorado Boulder and Colorado School of Mines, Matt has taught over 2,000 students through 16 different university courses.  Matt’s experience spans across many markets, including federal government, public works, healthcare, higher education, hospitality, manufacturing, laboratory, pharmaceutical, corporate, heavy civil and water conveyance. Additionally, Matt’s varied roles have enabled him to manage every phase of a project as an owner, contractor and designer.  Matt is currently a Senior Instructor in the Department of Civil, Environmental and Architectural Engineering at the University of Colorado, Boulder.   

Ramsey Robertson

Principal Training Specialist

Ramsey Robertson has over 30 years of safety leadership experience including prominent roles as Corporate Director of HSE for Laney Directional Drilling, Vice President of Safety for MasTec, Vice President for HSE&S for Wilbros, and Director of HSSE for Spectra Energy. As a corporate leader, he developed and deployed safety and operations management systems, safety culture improvement processes, strategic and tactical safety programs, risk management and hazard recognition processes, and leading indicators.


In recent years, Ramsey has taken an active leadership role in safety research and development. He has served as the coordinator of two INGAA foundation studies on safety leading indicators that translated research results to practical methods of safety measurement. He has also served as the Chair of the CSRA research team that created guidance for achieving excellence in pre-job briefs by integrating the concepts of energy-based safety. Currently, he is the Co-Chair of the CSRA team focusing on transforming incident investigation and learning. In 2021, he was recognized with the 2021 CRSA Safety Leadership Award.  


Ramsey and Dr. Matt Hallowell have collaborated on safety research, development, and implementation for over 10 years.

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