JJP McDonald is a seasoned engineer with over 15 years of expertise in architectural product consulting and testing. His career encompasses a wide range of services, including quality control, investigative field testing for air, water, thermal, and acoustic performance, as well as expert witness, peer review, and product evaluation.

Specializing in laboratory and field testing for air infiltration, water penetration, acoustics, and structural performance, JP has extensive experience in both new construction and renovation projects. His knowledge extends to building enclosure commissioning and consulting, including shop drawing and submittal reviews, construction administration, and building envelope performance optimization.

As the leader of BECS Labs, JP brings together industry-leading experts to advance the science of building envelope performance. BECS Labs provides actionable data through rigorous testing, assessing building performance, validating product capabilities, and proof-testing mockups and prototypes for new construction initiatives.