Gregory O’Brien

Gregory O’Brien is an expert in the field of detection technology for security applications, with over 30 years of industry experience. Gregory has worked in variety of technical, managerial and sales roles with several prominent detection systems companies. He has also been a security technology consultant to Fortune 500 companies, as well as several airport and seaport industry stakeholders. Gregory is currently the Director of Sales for Passport Systems Inc. of Billerica MA, USA, where he overseas global business development activities for Passport’s leading-edge security solutions. Originally from California, where he earned his EE degree, Gregory is a frequent speaker at security conferences and writer on detection technology.