Lawrence E. Marley, Jr., P.E., QEI

Mechanical and Electrical Engineering Practice Leader

Forensic Services



Mr. Lawrence Marley holds a B.S. degree in Mechanical Engineering and is a registered professional engineer in Alabama, Arkansas, Colorado, Florida, Georgia, Illinois, Kentucky, Louisiana, Michigan, Mississippi, Missouri, North Carolina, Indiana, New Jersey, Oklahoma, South Carolina, Tennessee, Texas, and Wisconsin.

With almost 25 years of experience in vertical transportation, Mr. Marley is a Qualified Elevator Inspector as certified by NAESA. Mr. Marley can assist in projects involving elevators, escalators, moving walks, wheelchair lifts, dumb waiters, and hydraulic lifts. This includes cases involving water damage, personal injury, component malfunction, improper maintenance, and improper usage. Working at Dover Elevator, ThyssenKrupp Elevator, and with Schindler Elevator, Mr. Marley has designed and assisted in the installation and maintenance of elevators and escalators, as well as reviewing and determining the damage to elevator and escalator systems to establish root cause failure analysis.  This includes the review of costs related to elevator repairs.

Mr. Marley has over 10 years of direct experience in the design and installation of elevators. This includes 3 years of field engineering experience, which included overseeing the installation and acceptance testing of new elevator installations as well as elevator modernizations. Mr. Marley worked on new product designs while at Dover Elevator and ThyssenKrupp Elevator. This included the roped hydraulic elevator; the small gearless traction elevator, or machine room-less elevator (MRL); in addition to the dual safety designs for high-speed elevators.

Mr. Marley also has direct design and installation experience of escalators and moving walkways while working with Schindler at their facility in Clinton, North Carolina. Mr. Marley was responsible for new designs along with quality issues within the plant. This included field inspections of components, as well as assisting in new installations and modernizations.

For over 10 years, Mr. Marley was involved with supplying components to various elevator manufacturers while at Advanced Building Technologies. This included components for elevators, escalators, moving walkways, vertical platform lifts, and other vertical transportation products. New part design and existing part modifications were required as designs were changed to accommodate cost savings and code changes. Assisting with the installation and manufacture of the components was required to ensure new product and existing product quality and performance.


• Mechanical Engineering, B.S.: Tennessee Technological University (1994)

• Registered Professional (Mechanical) Engineer: Alabama, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Michigan, Mississippi, Missouri, New Jersey, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Wisconsin

• Qualified Elevator Inspection (QEI)