Joseph Castagna

Joseph Castagna is an electrical engineering expert specializing in construction defect litigation. With a career spanning electrical inspection, power quality analysis, and backup power system management, he brings a comprehensive framework to litigation work. His work centers on investigating automatic transfer switch failures, assessing generator set compliance, and evaluating whether uninterruptible power supply systems meet industry standards.

Mr. Castagna has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to hospital backup power systems, solar power installations, and fuel storage compliance. His Bachelor of Science and Masters of Science in Electrical Engineering - Power Systems, along with certifications such as California Certified General Electrician and Federal Communications Commission - Amateur Radio License, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving electrical engineering and electricity.