Mr. Justin Kestner, P.E., MS, MBA, serves as CEO of Haag Global, Inc., and President of its subsidiaries. In addition to leading Haag, Mr. Kestner continues to provide engineering consulting and expert witness services for as a Forensic Engineer with Haag Engineering Co. He has provided expert testimony in cases involving roof and building envelope performance/damage, bridges, sinkhole and other foundation-related issues, building collapses, and more. He has evaluated thousands of roofs for storm damage, installation issues, alleged product defects, alleged intentionally-caused damage, and general leak causation. Further, Mr. Kestner has evaluated over a thousand buildings for cause and extent of damage from foundation movement (sinkholes, expansive clay soils, organics, and/or inadequate fill/prep) and damage from stabilization efforts, including properties affected by catastrophic ground cover collapse.
Mr. Kestner has taught numerous continuing education courses for Haag Education, and he has co-developed and taught various sinkhole-related seminars and Haag’s Certified Inspector programs for residential and commercial roofing damage assessment. He has also presented at various conferences, as well as to student chapters of the American Society of Civil Engineers.
Prior to joining Haag, Mr. Kestner was primarily involved in the design, analysis, and inspection of bridges, culverts, overhead sign structures, strain poles, mast arms, and retaining, MSE, and sound barrier walls. He also performed third party design reviews for various transportation entities, inspections of piers and roads, and prepared foundation and hydraulics reports for bridges and culverts.
– Commercial, residential and industrial buildings
– Bridges, culverts, and sign structures
– Wind damage
– Flood/surge damage
– Fire damage
– Structural collapse
– Settlement/heaving damage
– Impact damage from tree, automobile, etc.
– Building code issues & code upgrades
Roofing System Evaluations
– Cause, nature, and extent of damage, particularly wind and hail
– Quality of manufacture and application of roofing
– Code issues
– Foundation and wall evaluations
– Sinkhole evaluations
Moisture Source Evaluations
Construction Defects Evaluations