Nathan Barrera

Background

About Nathan Barrera

Results-oriented Supply Chain leader with nearly two decades of experience in procurement, contract management, and operations within the oil, gas, and renewable energy sectors. Proven expertise in driving cost savings, optimizing processes, and mitigating risks through strategic negotiations, data-driven decision-making, and scalable supply chain strategies. Adept at managing high-volume contracts, leading cross-functional teams, and fostering strong supplier relationships to deliver operational efficiency and business success. My career spans diverse roles, including sales at National Oilwell Varco (NOV) and buyer/contract specialist positions at Occidental Petroleum (OXY) and California Resources Corp (CRC), culminating in a Supply Chain Manager role at Bakersfield Renewable Fuels. I excel in high-pressure environments, leveraging deep knowledge of pipe, valves, fittings (PVF), and systems like SAP, Oracle, and Acumatica to achieve measurable outcomes. Key accomplishments include generating $200K+ in capital savings through a reclamation program, achieving $12M in contract savings, and implementing warehouse management systems to enhance inventory efficiency. With a passion for ethical leadership and a track record of mentoring teams, I build collaborative cultures that align with organizational goals while delivering exceptional value to stakeholders.