Rebecca Diaz Miller
San Antonio,TX
Summary
Strategic-thinking professional with 21 years of experience building relationships, cultivating partnerships, retaining top accounts and growing profit channels by establishing trust. Persuasive and self-motivated with expertise in expanding network connections and introducing products. Well-versed in educating clients, implementing pricing strategies, and driving territory development.
Overview
21
21
years of professional experience
Work History
Business Development Manager
Sunoco L.P. (formerly NuStar Energy L.P.)
San Antonio
05.2008 - 08.2025
- Strategically developed the Butane Blending segment, boosting annual net revenue from $2M to $20M across multiple pipelines and terminals.
- Purchased the Butane from 3rd party NGL (Natural Gas Liquid) marketers for the blending operation, assisted with identifying blend opportunities by working directly with the field operators and selling the incremental gasoline produced to 3rd party gasoline suppliers.
- Established and maintained a regional customer network for the Central East pipeline and terminal segments in the Mid-Continent Region.
- Managed customers along Sunoco’s 3,500-mile refined products pipeline and integrated terminals.
- Handled customer inquiries, resolved product flow constraints across pipeline and terminal operations, and facilitated new customer onboarding to the pipeline system.
- Streamlined the Butane Blending back-office operations, reinforcing EPA compliance and improving processes.
- Supported full-cycle project development from concept to feasibility through stakeholder alignment until project completion.
- Assisted with internal forecasts and budgeting.
- Oversaw quarterly and annual EPA (Environmental Protection Agency) compliance reporting for all Butane Blending operations.
- Championed team development, cultivating an environment of collaboration and growth.
Financial Reporting Specialist
NuStar Energy L.P.
San Antonio
05.2004 - 05.2008
- Prepared SEC filings including Form 10-K & Form 10-Q for NuStar GP.
- Prepared financial statements and various supporting schedules for public filings.
Education
MBA - General Business
University of The Incarnate Word
San Antonio, TX01.2002
BBA - Accounting
St. Mary’s University
San Antonio, TX01.1998
Skills
- Industry commodity expertise
- Digital marketing strategies
- Data analysis
- Market research
- Negotiation and sales skills
- Customer-centric focus
- Financial literacy
- Process improvement
- SAP knowledge
Nonprofit Work
- Haven for Hope
- United Way
- Boys and Girls Clubs of San Antonio
- YWCA – Young Women’s Christian Association (Board Member)
Languages
Spanish
Professional
References
References available upon request.
Timeline
Business Development Manager
Sunoco L.P. (formerly NuStar Energy L.P.)
05.2008 - 08.2025
Financial Reporting Specialist
NuStar Energy L.P.
05.2004 - 05.2008
MBA - General Business
University of The Incarnate Word
BBA - Accounting
St. Mary’s University
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