IIGDT World International Institute of
Geometric Dimensioning & Tolerancing
Dr. Hetland's Technical Society Affiliations—Current and Past
"National & International Standards Development"

ASME H213 Executive Group for US Technical Advisory Group & Harmonization of Tolerancing, Metrology and Surface Analysis
U.S. TAG ISO Technical Advisory Group to International Standards Development (ISO TC213)
ASME B89.7 Uncertainty Management (Past Chairman)
ASME Y14.5 Dimensioning and Tolerancing
ASME Y14.5.1 Mathematical Definition of GD&T Principles
ASME Y14.5.2 Certification of GD&T Professionals
ASME B89 Main Committee on Dimensional Measurement
ASME B89.4 Coordinate Measuring Technology