
Judith Leslie
senior principal specialist, aeSolutions
Judith Lesslie (CFSE, CSP, CCPSC) is a senior principal specialist at aeSolutions and based in Based in South Carolina. With more than 40 years of experience, including 35 years working at the chemicals division at a major energy company, Judith’s specialties include PHA facilitation, auditing, technical review, and mentoring of junior staff members. Starting at the ground level in instrumentation maintenance, she worked her way up through various roles including planning, instrument and electrical engineering, technical support for operating facilities, operations management, and health, safety, & environmental engineering and management. Her journey led her to one of the very first dedicated roles in process safety engineering within her company — likely one of the first roles of its kind in the industry. With the introduction and implementation of the ISA S84 standard on safety instrumented systems, process safety became one of Judith’s greatest passions. Today, she is sought-after as an advisor for her process safety expertise and track record for systems implementation success.