Grace L. Duffy

President, Management and Performance Systems

Brookfield, CT, Charleston, SC, Eustis, FL                                                                             

45 years experience as a service provider in organizational performance, process improvement, leadership, and customer service.

Author or co-author of:

  • The Quality Improvement Handbook,
  • The Executive Guide to Improvement and Change,
  • Executive Focus; Your Life and Career,
  • The Public Health Quality Improvement Handbook,
  • QFD and Lean Six Sigma for Public Health,
  • Tools and Applications for Healthy Teams,
  • Modular kaizen; Dealing with Disruption,
  • The Encyclopedia of Quality Tools,
  • The Quality Improvement Pocket Guide,
  • Modular Kaizen: Continuous and Breakthrough Improvement,
  • The Certified Quality Improvement Associate Handbook and
  • The Six Sigma Yellow Belt Study Guide.
  • Validating a Best Practice: A Tool for Improvement and Benchmarking, BEST-method
  • Published and delivered over 250 papers on quality, leadership, planning, and organizational design

Lean Six Sigma Master Black Belt for business, not-for-profit, healthcare, electric utilities, and federal/state government agencies. 2014 Quality Magazine Person of the Year. 2016 Asia Pacific Quality Organization Mifl


Georgia State University, Atlanta, GA

         MBA, General Management and I/S, Magna Cum Laude, Beta Gamma Sigma Honors Society

Brigham Young University, Provo, UT

         BA/BS, Anthropology and Archaeology, Honors, University Scholar

Corporate Sponsored Training

        IBM Manager’s School Series; Market Driven Quality Executive Program

        Front Line Leadership Program; “Speakeasy” Executive Presentation Skills

        Lean Six Sigma Master Black Belt, The Harrington Group


Total Quality Transformation Trainer, 1994

ASQ Certified Quality Manager, 1995

ASQ Certified Quality Auditor, 1998

AchieveGlobal (Zenger Miller) Certified Trainer, 2000

ASQ Certified Quality Improvement Assoc, 2001

Six Sigma Master Black Belt, 2003

Certified Manager in Process Improvement Excellence & Innovation, 2003

ASQ Certified Six Sigma Green Belt, 2009



American Society for Quality (ASQ)

ASQ Fellow, ASQ Distinguished Service Medalist, Past-Chair, E.L. Grant Medal, Quality Management Division (QMD) Vice Chair – Ops 2009 – 10, ASQ Vice-President 2005 – 2007; Past-Chair, Quality Management Division; Past-Chair, Community Good Works Program, Economic Case for Quality, ASQ Bylaws, Quality Manager Certification Chair; Deputy Regional Director, Region 11 (Southeast) 1998 – 2001; Local Section Chair

Association for Talent Development (ATD), Mensa, International Life Member

South Carolina Governor’s Quality Award judge and executive committee member (1999 – 2002)

International Society for Performance Improvement (ISPI), Life Member, Past President, Cobb County, GA, League of Women Voters