Optimizing employee time in a purchasing department: A Six Sigma case study

Deisell Martinez, Howard S. Gitlow

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Purpose - This paper aims to resolve a staffing solution for a purchasing department at the University of Miami to expand a service request bulk purchasing program that generates savings for the university and respective departments. Design/methodology/approach - The well-known lean Six Sigma methodology is applied to yield consistent results and eliminate unnecessary actions (steps/tasks) by the staff. Findings - The university is able to reduce processing time for a service request from 168 hours to 2.27 by streamlining communication and service request and automating lengthy process steps using a proprietary built workflow intelligence system. Research limitations/implications - There are limited publications in the field of lean Six Sigma as an approach to staffing solutions. Originality/value - This paper provides an unexplored practical application of lean Six Sigma to yield a staffing solution.

Original languageEnglish (US)
Pages (from-to)180-190
Number of pages11
JournalInternational Journal of Lean Six Sigma
Issue number2
StatePublished - Jan 1 2011


  • Human resource management
  • Lean production
  • Quality management
  • Six sigma
  • United States of America
  • Universities

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering


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