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Darryl Seillier

Darryl Seillier

Oil & Energy Industry Engineering Leader

Valero•San Antonio, Texas, United States

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Experience35+ Years
LevelCXO

Career Timeline

Professional employment history
  • ValeroCurrent
    Jul 2010–Present· 16 yrs 3 mos
    • Executive Director, TechnologyCurrent
      May 2022–Present
    • Technology Advisor
      Jul 2010–Apr 2022
  • Valero
    2005–2010· 5 yrs
    • Director Energy & Technology Development
      2005–2010
  • Aspen Technology
    1999–2005· 6 yrs
    • Director, Business Development
      1999–2005
  • PinchTech
    1996–1999· 3 yrs
    • Principal Consultant & Co-Owner
      1996–1999
  • Engen
    1991–1996· 5 yrs
    • Senior Refinery Engineer/Lead Engineer
      1991–1996

Education

B.Sc Eng.

Chemical Engineering

University of KwaZulu-Natal

MBA

University of South Africa/Universiteit van Suid-Afrika

Executive Relationship Map

Reports To
Darryl Seillier
Vice Chair & President
Chief Financial Officer
Chief Technology Officer
Chief Operating Officer

Executive Network Preview

BizKonnect has mapped this leadership network including reporting hierarchies, peer connections, and cross-functional relationships.

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Skills & Expertise

20 of 20 skills
Process EngineeringPetrochemicalHydrogen plants and systemsOil/GasNatural GasDownstream Oil & GasRefineryEnergy OptimizationHAZOPUpstreamPetroleumEnergyProcess ControlRefiningProcess OptimizationEPCProcess SimulationGasProcess ModelingChemical Engineering