Directs improvement initiatives across Manufacturing system focusing on Operational Availability and Maintenance cost efficiency improvementsResponsible for risk-based inspection asset strategies implementation, management of existing maintenance and reliability IT platforms and application of IT and digital improvements.

Directing strategy and day-to-day operations of 115K barrel / day refinery with 700 direct and contracted employees▪ Commanding wholly owned Chevron acquisition, Pasadena Refining System, Inc., with full board & fiduciary accountability, including business plan, $120MM annual capital expense, organizational capability, and operational excellenceo Taking site from “unsustainable” to break-even returns in 3 yearso Targeting sustainability, 140K barrel / day, & portfolio-leading returns, 2024▪ Designing KPI and priority-based transitions to create operating rhythm, speed profitability, and lower carbon intensityo Improving reliability 30% to date, on track for full / 10-year benchmarko Engaging 3rd party contractors to control headcount and operating expenses▪ Reconfiguring facility via capital investment to achieve 20% ROCE o Executing capital leadership through 3 of 5 steps to date — concept development, alternative selection, designo Evaluating technologies and yield of 12 permutations for financial viability and competitive advantage▪ Establishing trusted relationship with USW, developing strategy to negotiate 15 substantial work rule issues and harmonize Chevron benefits▪ Building community partnerships to streamline and overcome permitting / compliance / TCEQ challenges and empower corporate support of city o Preventing 1-year delay and expense of lawsuit

SME — maintenance, construction, reliability work processes, practices — consulting M&A team as primary Business Rep for PRSI refinery acquisition▪ Collaborating to design acquisition strategy, liaising with Strategy Department and Decision Analyst to evaluate plants on siteo Bringing in multi-disciplined Chevron team – Finance, Procurement, Legal, Government Affairs – to launch Day 1 operations▪ Executing due diligence over 60 years of reporting and 10 years of data in 3 months, e.g., site visits, documents review, inspections▪ Leading all integration efforts prior to custody transfer with physical move to Pasadena in November 2018

Steering all maintenance and reliability processes at 300K barrel / day facility with oversight of 1K direct and contract employees▪ Setting strategic, global standard for Chevron maintenance and reliability programs, driving 25% reduction in operating expense without sacrificing reliability▪ Leading 18-month effort with CA State Building Trades on Chevron-wide project labor agreement related to SB54, o Negotiating non-union labor for initial 5 years of any project in the stateo Creating framework for all building trades employment in State of California▪ Directing contractor consolidation resulting in 20% on-site vendor reduction, moving to condition-based work vs scheduledo Holding site workforce costs flat, ultimately over 10-year period▪ Reaching 97% operational availability in 2015

Managing plant maintenance outages at 350K barrel / day petrochemical complex to achieve competitive cost and duration▪ Creating the processes — now standard in all Chevron facilities — to realize quartile improvement in turnaround performance and cost▪ Leading 4 teams with 4 unique approaches into single, data-driven methodologyo Designing disciplines in planning, scheduling, reporting, behavioral standards, meetings, and expectations to change entire refinery process▪ Managing 50 personnel on daily basis, 2K for large events requiring ± 60 days of increased workforce

Delivering corporate manufacturing-wide procurement, reliability, and maintenance standardization project▪ Coordinating transformation across 4 domestic refineries▪ Implementing multiple efficiency standards, including materials kitting, technology integration with procurement, tool time

Directing maintenance and reliability processes at 50K barrel / day refinery with oversight of 500 direct and contract personnel at USW-represented site▪ Managing capital projects valued at $200MM with significant activity in work process and project re-tooling▪ Steering refinery leadership team through revised management system processes and business planning to improve reliability▪ Negotiating team for USW contract renewal

Engineering Manager providing technical leadership of 50 mechanical and electrical engineers with 5 direct reports; previous roles during this time period include▪ Turnaround Project Managero Overseeing planned outages for 1/3 of Richmond refineryo Improving 2 quartiles in cost and efficiency▪ Area Project Managero First supervisory role during $1B clean fuel project▪ Reliability Supervisoro Leading machinery reliability group and weld inspection crew of 20 personnel▪ Reliability Engineer o Delivering failure and reliability analysis, rotating equipment, and installing engineering fixes