Maria Luz Rivera

Maria Luz Rivera has extensive work experience in procurement and contracting roles. Maria Luz has held positions in various companies, including Par Pacific Holdings, Inc., BHP Billiton, El Paso Corporation, Marathon Oil Corporation, Hess Corporation, KBR, Stewart & Stevenson, Chevron, and Texaco.

In their most recent role at Par Pacific Holdings, Inc., they worked as a Senior Contracts Administrator/Procurement Specialist starting in 2017.

At BHP Billiton, they worked as a Senior Procurement Specialist. Their responsibilities included procuring drilling services and equipment for the Eagleford Shale project. Maria Luz also played a significant role in strategic procurement activities, vendor sourcing, and tender processes. Additionally, they contributed to the development of policies and procedures for new country entry campaigns.

At El Paso Corporation, Maria served as a Contract Specialist. Maria Luz participated in a spend optimization initiative for master service agreements and implemented contracting strategies to drive service optimization. Maria Luz achieved cost savings through negotiations and discounts for high spend vendors.

Maria worked as a Commercial Representative at Marathon Oil Corporation, where they managed and sourced master service commercial contracts. Maria Luz also assessed contractual compliance for health, safety, and environment requirements.

As a Project Lead at Hess Corporation, Maria managed sourcing activities and led a team to set up a material replenishment program. Maria Luz was accountable for procurement activities and ensured the achievement of lowest costs while meeting quality requirements.

In their role as a Sr. Field Materials Coordinator/Buyer at KBR, they planned and executed tactical purchasing activities and delivered cost savings. Maria Luz also worked with various business functions to ensure full buy-in and transparency in sourcing strategies.

At Stewart & Stevenson, Maria served as a Sr. Buyer and led multiple Kaizen groups to develop and implement streamlined processes. This resulted in increased throughput and cost savings.

At Chevron, they were a Supervisor and had oversight of a procurement team. Maria Luz defined and implemented procedures and policies related to supply chain functions and vendor relationship management.

In their role as a Logistics Coordinator at Texaco, Maria coordinated logistics and transportation functions for Central and South America downstream marketing operations. Maria Luz leveraged their bilingual capabilities and negotiation skills to win buy-in from international markets and increase departmental revenue.

Overall, Maria Luz Rivera has gained expertise in procurement, contracting, strategic sourcing, vendor management, and cost optimization throughout their career.

Maria Luz Rivera completed their Bachelor of Business Administration (BBA) degree in Purchasing and Materials Management from the University of Houston-Downtown. Maria Luz attended the university from 1989 to 1999.