Safety Instrumented Systems

Paul Gruhn, PE, CFSE, is a global functional safety consultant at aeSolutions in Houston, Texas. Gruhn has specialized in safety systems for more than 30 years. He is an ISA Life Fellow, co-chair of the ISA 84 standards committee, the developer and instructor of ISA courses on SIS and the primary author of the ISA book on the subject. Gruhn developed the first commercial control and safety system modeling software more than 25 years ago. He received a bachelor of science degree in mechanical engineering from IIT in Chicago, IL. Gruhn is a professional engineer (PE) licensed in Texas, a certified functional safety expert (CFSE), a member of the control system engineer PE exam team, and an ISA 84 expert. He is the 2018 ISA President-elect Secretary. Simon Lucchini, CFSE, MIEAust CPEng (Australia), serves as a chief controls specialist and Fellow in Safety Systems at Fluor Canada. Through his more than 23 years in the petro-chemical industry, Lucchini has broad expertise and experience in operations/maintenance, corporate engineering and project engineering. For the past 16 years, he has worked in the Control Systems Department at Fluor Canada. He is the Fluor Fellow in Safety Systems Design and also the Chief Controls Specialist based at Fluor's Calgary, Alberta Canada office. He has written papers on safety systems for various industry and academic venues, including two chapters in the 2017 Bela Liptak Instrument & Automation Engineers' Handbook. Lucchini is currently the Safety Systems Committee chair of ISA's Safety & Security Division, within which he produces web articles on matters of importance for the safety systems industry. He is also an active contributor to local control system networks that include a number of global oil & gas operators. He earned bachelor of electrical engineering and science degrees at Sydney University in Australia.