International Standard for Lean Six Sigma (ISLSS)
Leader in International Business Process Improvement Best Practices


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About Us

The International Standard for Lean Six Sigma (ISLSS) is an internationally focused organization dedicated to bringing customized, value based Lean Six Sigma services and products so that you can focus on what matters most: profitability through competitive advantage, minimizing costs and enhancing quality and efficiency.


Steven Bonacorsi


Steven Bonacorsi is a Senior Master Black Belt instructor and coach. He has trained thousands of Master Black Belts, Black Belts, Green Belts, Project Sponsor/Champions and Excutive Leaders in Lean Six Sigma DMAIC and Design for Lean Six Sigma process improvement methodologies.

Steven Bonacorsi holds number of prestigious certifications:

  • Master Black Belt in Lean Six Sigma Methodology. 
  • Expert in Kaizen event for rapid project execution. 
  • Certified PMP (Project Management Professional) 
  • Masters in Business Administration (MBA)
  • Masters in Computer Information Systems (MS-CIS)
  • Numerous IT certifications. 
  • Over 20 years of Professional Business Consulting experience at the C-Level

Leadership team


 Our management team has built a proven track record of success over the past 10 years and as the company grows, we continue to make changes that improve our ability to add value on behalf of our stakeholders.