In forty-five years working in the North American freight railroad industry, I have held a wide range of responsibilities in management at four railroads and as a railroad consultant. A Masters in Civil Engineering under Dr. William Hay at the University of Illinois was followed by an MBA from Northwestern University in Transportation and Finance. My experience includes roles in service design and analysis, equipment management, system analysis and design, line capacity analysis and much more. Work with blocking improvements led me to develop and implement algorithmic blocking, which has transformed the maintenance of railroad blocking systems. Knowledge gained from performing dispatching analysis at three railroads and studying yard operations gave me the opportunity to contribute chapters to two railroad handbooks.