Dr. Gregg K. Hobbs, a Registered Professional Engineer in California in Mechanical Engineering, Civil Engineering, and Control System Engineering, is the originator of and world leader in the principles of HALT and HASS. He has been a consulting engineer since 1978, specializing in the fields of stress screening, robust and flaw tolerant design, dynamic analysis, and testing. He has been employed as a consultant by many leading companies and has taught at two major universities as Visiting Full Professor. He has taught courses on these subjects in the USA, Asia, Canada, Europe, the UK, Africa, the South Pacific, Middle-East and Mexico.
He has introduced, and continues to introduce, many new concepts, techniques, and equipment that have been proven by 36 years extensive use on many products, resulting in the savings of several billions of dollars. He has acted as "facilitator" for companies beginning to use these methods and has led teams that enhanced designs using the techniques, selected equipment, and then developed production screens.
Dr. Hobbs is the inventor of 14 patents on accelerated testing equipment, with several more pending. He has shown thousands of engineers throughout the world how to improve the quality of their products through the application of his HALT&HASS techniques.
Significant improvements are still being made in HALT&HASS equipment design and methodologies by Dr. Hobbs. RapidHALT™, introduced in 2003, has reduced the time in HALT substantially. Other major improvements were made in 2004. He formed HALT&HASS Systems Corporation to design and build Time Compression™ chambers based upon this vast experience and knowledge. HyperHALT™ was introduced in 2007.

Dr. Hobbs has written important papers on accelerated techniques and has introduced a number of new concepts in various technical fields. His book, HALT & HASS - Accelerated Reliability Engineering was published in 2000 and is supplied along with course notes to all attendees. It is also available from Hobbs Engineering at a cost of $80 including shipping, see this page for details.

HALT & HASS + Workshop

HALT and HASS Management Overview

Published Papers