Nathan Westbrook Email & Phone Number

Garyville, La, Us

Findlay, Ohio, Us

• Served as business unit leader for the North Area of the MPC El Paso Refinery. Direct reports include 3 Operations Day Foremen, 5 Shift Foremen, an Operations Maintenance Specialist, and ~50 hourly operators.

Findlay, Ohio, Us

• Supervised a team of five area process engineers and two third-party chemical vendor site leaders.• Provided technical leadership during preparation for and execution of a multi-unit turnaround in2Q 2023. Developed and implemented training plan for supporting engineers, coached engineersthrough explaining and justifying late scope additions, and provided on-shift support for fullturnaround duration.• Guided process engineers through managing end of run period on assigned units. Engaged keystakeholders as needed from other departments to ensure unit profitability was maximized up tothe scheduled shutdown date.• Championed energy efficiency program adherence in assigned area. Worked with technical and operations teams to reduce daily exceptions by 80% from October 2022-March 2023.• Worked with site chemical vendor to develop a refinery-wide daily boiler and cooling water KPIreport. This report was rolled out to area teams in January 2023 and resulted in an improvement inKPI compliance by providing data transparency.

Findlay, Ohio, Us

Covered Area Team Leader role for tank farm and product distribution operations at MPC Robinson Refinery.

Findlay, Ohio, Us

• Served as second-line supervisor of an operations team for a crude toppers, utilities, and wastewater treatment complex. Reports include a team of 4 shift supervisors, an operations maintenance specialist, and 20+ hourly operators.• Led team to develop maintenance scope and operational decon plan for a mid-cycle outage of a crude topping unit. All work items were completed successfully and unit was started-up on schedule.• Improved job coverage flexibility and reduced area OT by qualifying 2 new console operators.

Findlay, Ohio, Us

• Utilized Aspen PIMS software to develop out-month refinery production forecasts.• Communicated with key stakeholders including operations, technical services, and feedstock/product schedulers to ensure accuracy in forecasted unit rates and yields.

Findlay, Ohio, Us

• Provided process engineering support for a 265 MBPD crude distillation unit• Site Technical Excellence program coordinator. Assisted engineers with quantifying economic benefit of unit optimization work for presentation to technical leadership. Tracked and reported out monthly on progress in meeting site technical excellence goals.• Developed conceptual design for an automated HFOB viscosity control system. Total economic benefit estimated at $4.3MM/year.• Provided process engineering coverage for a cycle-ending hydrocracker unit turnaround.• Served as a formal mentor for two chemical engineering co-op students.

Findlay, Ohio, Us

Supervised a team of engineers providing operations support for crude, coker, and solvent deasphalting units as well as the site tank farm and product export systems.

Irving, Texas, Us

• Provided day-to-day and on-call operations support for a polymer compounding unit with a focus on safety, quality, and reliability.• Owned unit MOC process, reviewing proposed changes to ensure safety and effectiveness.• Maintained ongoing communication with site environmental group to ensure compliance with regulatory requirements.• Led multiple root cause analysis studies on environmental, safety, quality, and reliability incidents to ensure causes were identified and recommendations made to prevent future incidents.• Led effort to reduce extruder downtime through improved turnaround planning, preparation, and execution. Coordinated efforts among production planning, operations, engineering and maintenance to deliver significant improvement in downtime performance.

San Antonio, Tx, Us

• Quantified and documented economic benefits of newly commissioned atmospheric crude unit APC application.• Supported major revamp of crude unit APC after turnaround. Worked with operations to establish new milestone unit charge rate.• Substantially reduced frequency of board operator alarm flood by performing informal alarm rationalizations on "bad-actor" alarms.• Led formal alarm rationalization on refinery utilities complex, including 3 boilers, a reverse osmosis unit, plant steam, plant air, instrument air, and cooling water systems. This process resulted in major improvements in plant alarm metrics.• Responsible for maintenance of assigned areas' APC applications (Aspen DMCplus) • Maintained DCS for assigned areas (Foxboro I/A). Activities included new point/alarm configuration, control scheme configuration, historian maintenance, and DCS troubleshooting.

San Antonio, Tx, Us

• Provided technical support for hydrocracker, naphtha reformer, SMR, sulfolane extraction, BTX fractionation, asphalt blending, and boiler unit operations.• Supported conceptual design development of APC strategy for hydrocracker unit.• Performed Phase 1 development of projects in assigned units, including preliminary cost/benefit estimate, IRR calculation, drawing markups, and technical feasibility analysis.• Supported refinery economic objectives by recommending multi-unit operational optimizations to increase propane recovery from fuel system. Recovered lost opportunity exceeded $3MM/yr.• Lead night-shift engineer for multiple unit turnarounds. Supervised reactor catalyst loading, conducted engineering inspections for process equipment, and provided technical support for maintenance to ensure timely completion of work.

San Antonio, Tx, Us

• Supported operation of aromatics extraction, BTX fractionation, crude, vacuum, butane isomerization, and light-ends fractionation units• Identified intermediate product specification changes that would improve refinery profitability. Worked with refinery economics and planning group to implement changes.• Performed analysis of poorly-performing distillation tower and determined that feed location was suboptimal. Worked with operations to change feed location. Tower product purity was increased by 20%.• Lead engineer on PHA for light-ends fractionation unit

San Antonio, Tx, Us

• Gained multi-site experience by working in Corpus Christi and Port Arthur refineries over 3 terms for a total of 10 months.• Supported development of a refinery water-shed plan by performing plantwide water balance and identifying opportunities for water usage reduction• Designed a pump seal-flush cooling system to reduce frequency of seal failure• Redesigned a stripped sour water control loop to maximize water re-use in the process, minimizing water sent to WWTP • Created catalyst loading diagrams and monitoring spreadsheet to prevent errors in reactor loading• Created monitoring tool for performance of several high-fouling heat exchangers to determine effects of an implemented process change

Irving, Texas, Us

• Supported planning for major unit expansion by constructing a detailed material balance which could be scaled for desired annual production.• Performed troubleshooting on process equipment in an ibuprofen production facility• Developed a unit power usage analysis and ROI study to determine economic justification for a proposed electrical infrastructure upgrade.• Designed and implemented a change to a piping system to correct an observed hydraulic issue that prevented operations from adequately monitoring corrosivity of cooling water.

Aberdeen, Gb

• Supported technical staff at Celanese Bishop, TX facility.• Completed ROI studies for project proposals to be used in project priority ranking• Assisted in identification of potential cost-savings projects by performing unit energy and raw material usage analyses and comparing results to historical “best-run” data using basic Six Sigma techniques

Bachelor Of Science, Chemical Engineering

Master Of Business Administration (M.B.A.)

Master Of Science (M.S.), Finance