Tom Gilbert - introduced the idea of Human Performance Technology in 1970s. He worked with B.F. Skinner, a behavioral psychologist who discovered the effectiveness of positive reinforcement.
Geary A Rummler - the co-author of Improving Performance: How to Manage the White Space on the Organization Chart and is a trailblazer in the utilization of the instructional and performance technologies process for organizational effectiveness.
Roger Kaufman - know for founding needs assessments or gap analysis.
Joe Harless - a student of Tom Gilbert who created the Harless analysis model which identifies what might be effecting a performance gap.
Joan Robinson - creator of the Robinson economic growth model.
Rummler-Brache Model (Nine Boxes Model) - a Human Performance Technology approach that uses nine variable to help investigate human performance in the workplace.