William Guillory
Principal Technology Vendor Management Leader | Driving Strategic Sourcing & Cost Optimization in Telecom | Contract Negotiation | Supplier Governance | IT Procurement
- Role
- Principal Project Program Manager - Business Enterprise Operations at AT&T
- Location
- Dallas-Fort Worth, TX, US
- LinkedIn followers
- 500 followers
About William Guillory
Technical Program Leader specializing in data center infrastructure, vendor ecosystems…
Experience
Principal Project Program Manager - Business Enterprise Operations
Mar 2022 — Present · Dallas, TX, US
SUMMARY:Lead strategic vendor management initiatives across enterprise IT within the telecom sector, driving cost optimization, supplier performance, and innovation. Serve as a trusted advisor to executive leadership, aligning sourcing strategies with business objectives and digital transformation goals.KEY ACHIEVEMENTS: Negotiated and managed over $100M+ in vendor contracts, delivering 15–20% cost savings YoY through strategic sourcing and renegotiation. Spearheaded vendor governance framework that improved supplier performance metrics by 30%, enhancing service delivery and compliance. Led cross-functional collaboration with Legal, Finance, and Engineering to streamline procurement processes and reduce cycle times by 25%. Implemented risk mitigation strategies across cloud, software, and infrastructure vendors, ensuring business continuity and regulatory compliance. Developed executive dashboards for vendor performance and spend analytics, enabling data-driven decision-making at the C-suite level.FOCUS AREAS: Telecom Procurement Strategy Supplier Governance & Risk Contract Negotiation & Lifecycle Management IT Cost Optimization Stakeholder Engagement & Executive Reporting
Education
The University of Dallas
Master's degree
Texas A&M University
Bachelor of Science - BS
Skills
- Network Design
- Private Line
- Ethernet
- T1
- Voip
- Project Managements Strengths
- Mpls
- Managed Services
- Telecommunication Services
- Telecommunications
- Project Management
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