Mr. Do is a senior technology and engineering professional with more than 20 years of experience in railroad engineering, software development, and transportation technology. He specializes in system integration and design, rapid prototyping, simulation, machine vision, and process automation, with extensive experience developing solutions that improve railroad safety, efficiency, and operations. His technical expertise includes software architecture, train simulation, imaging and defect detection, mobile applications, cloud technologies, and enterprise system integration. Prior to joining ESi, Mr. Do held engineering and leadership roles with PS Technology and Union Pacific Railroad, where he led software engineering teams and the architecture and deployment of the Physics Train Builder simulation platform for multiple railroad customers.