Mr. Hereña has twelve years of experience in the design and installation of control systems and the implementation of safety instrumented systems for the process industries. Mr. Hereña is a Senior Engineer at Kenexis and responsible for facilitating HAZOP and SIL Selection. Additionally, he has extensive experience in engineered safeguard design basis development and verification/validation projects. Mr. Hereña began his career with UOP, a licensor of process units to the petroleum and petrochemical industries, where he performed field verification of control systems at customer sites, and designed and managed development of custom control projects. Mr. Hereña is involved in the leadership of International Society of Automation (ISA) and American Institute of Chemical Engineers (AIChE) and participates on ISA standards committees, including SP 84 for safety instrumented systems and SP 18 for alarm systems.