Samuel Tietjen

Downstream E2E Optimization

Dammam, Eastern, Saudi Arabia

About

Experience

  • Downstream Global Optimization at aramco
    Dec 2025 - Present · 7 mos

  • Motiva Enterprises LLC (10 yrs 11 mos)
    • Strategy & M&A
      Apr 2021 - Jan 2026 · 4 yrs 10 mos

    • Optimization Process and Performance E2E
      Sep 2018 - Apr 2021 · 2 yrs 8 mos

    • Sr. Credit
      Nov 2017 - Nov 2018 · 1 yr 1 mo

  • Analista de Recursos Financeiros at Shell Brasil Petróleo Ltda.
    Jan 2014 - Mar 2015 · 1 yr 3 mos

  • Financial Analyst at Shell Exploration & Production Company
    Jul 2012 - Jan 2014 · 1 yr 7 mos

    Single point accountability to VP Finance and Reporting Finance Manager for processes surrounding Competitive Financials, Variance Analysis, Results Reporting, Value Erosion, Impairment testing, Letters of Assurance and Risk Visuals for Deepwater. Continuous Business Improvement providing finance leadership and control framework enabling delivery of Cost Transparency, Lean processes, leveraging Behavioral Imperatives of External Focus, Commercial Mindset, Delivery, Speed and Simplicity Responsible for analysis, preparation and presentation of monthly financial Management Information (MI), the annual Business Plan and Latest Estimates. Finance lead to Gulf of Mexico Operations Strategy Team, supporting organizational initiatives by identifying threats and opportunities to maximize value in the Deepwater GOM portfolio.

  • Credit Risk Analyst at Shell Trading
    Jan 2011 - Jul 2012 · 1 yr 7 mos

    Experience in mezzanine financing and debt structuring Credit Risk Underwriting with excel VBA automation Experienced in Power and Natural Gas risk analysis Contract Negotiation in various energy contracts: EEI / NAESB / ISDA Risk assessment modeling for Crude and Products Muni-risk analysis and monitoring