2026 40 Under 40: Alex Halloran, PE, 32

Healthcare Team Lead, HFA-AE; BS, Mechanical Engineering, University of Arkansas

Throughout his career, Alex Halloran has served as a client manager, project manager and engineer of record, building trusted relationships with clients while solving infrastructure challenges that directly affect patient care and safety. In his current role, he is a health care team lead with extensive experience delivering complex mechanical, controls, plumbing and heating, ventilation and air conditioning (HVAC) systems for health care and commercial facilities. Halloran is known for his hands-on approach and commitment to seeing projects beyond the stated scope of work. On a project at the University of Arkansas for Medical Sciences Radiation Oncology Center, he conducted multiple on-site investigations to address excessive HVAC noise and vibration that threatened the operation of a proton therapy machine. By developing and implementing targeted corrective actions, Halloran helped reduce vibration levels to within strict tolerances required for sensitive medical equipment. His leadership has also supported major health care infrastructure efforts, including overseeing 3D scanning work within active patient areas at Arkansas Children’s Hospital and leading efforts to reopen a previously condemned hospital in Jacksonville, Arkansas. During the COVID-19 pandemic, Halloran managed the rapid delivery of a 6,000-square-foot testing laboratory completed in just two weeks. In addition to project work, Halloran has trained engineering staff on advanced modeling tools and mentors engineers-in-training to help strengthen the next generation of professionals. Outside of work, he enjoys league bowling, hiking, deer hunting and traveling with his wife, activities that help him maintain balance while bringing focus and perspective to his engineering leadership.

Consulting-Specifying Engineer
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Consulting-Specifying Engineer

Consulting-Specifying Engineer provides engineering professionals working in nonresidential construction and retrofit applications with the most current and relevant content on topics like codes and standards, mechanical/HVAC and electrical systems, fire and life safety, building automation and other related technology.