Imelda Trejo Trejo

Sr. Buyer experienced in a hands-on leadership style, strong ownership mindset, availability to support operations — including after-hours and critical escalations — to prevent line stoppages and resolve supplier or invoice issues. Highly skilled in vendor relationship management, aged invoice resolution, production floor material validation, and alternative sourcing strategies to mitigate risk and ensure on-time delivery.

A natural team coach and cross-functional partner, known for mentoring teams, proactively engaging stakeholders, and maintaining a positive, solution-oriented attitude. Consistently delivers cost savings, inventory optimization, and supply continuity, while strengthening supplier performance and internal customer satisfaction.

Global Buyer at Celestica (2021-07 – Present)

• Manage Schedule Agreement Orders (SMI program) averaging 100+ agreements per quarter, leading forecast alignment with assigned suppliers.
• Own supplier performance across delivery, quality, and KPI metrics (past due, unconfirmed POs, MRB, discrepancies).
• Secure raw materials from local and international suppliers, ensuring continuity for multiple production lines.
• Serve as primary liaison between Accounts Payable and suppliers, successfully resolving USD $1.58M in invoices (including aged balances) in 2022.
• Proactively evaluate, purchase, and expedite materials to prevent production line stoppages, including on-site production floor reviews.
• Lead cost-saving initiatives, delivering approximately USD $150K in savings in 2022.
• Drove resolution of USD $370K MRB exposure within assigned portfolio.
• Highly available to support urgent escalations, including after-hours and critical operational windows.

Purchasing & Warehouse Supervisor at Intrade Corporation (2019-03 – 2020-01)

• Led purchasing and warehouse operations, achieving 10% savings over USD $26K in bi-monthly spend.
• Developed 10 new suppliers, generating an additional 15% monthly savings.
• Reduced inventory by 5% (USD $5.9K) through identification and resale of obsolete materials.
• Managed overseas purchasing, invoice approvals, expediting, and vendor escalations.
• Implemented Min/Max controls across 5,000+ SKUs to stabilize inventory and reduce risk.

Jr. Program Manager at Sanmina SCI (2016-05 – 2017-11)

• Delivered USD $13K annual savings through logistics and material flow optimization.
• Reduced production material lead times by 50% (from 30 to 15 days).
• Led engineering change projects end-to-end and supported customer quote management.
• Developed supplier base and collaborated closely with customer service teams.

Purchasing Supervisor (MRO) at Wesco Distribution de México (2012-10 – 2015-11)

• Managed a team of 8 buyers supporting 8 manufacturing plants and 11,000+ part numbers.
• Executed cost-saving projects exceeding USD $184K in annual spend.
• Consolidated supplier base by transferring purchases from distributors to manufacturers.
• Oversaw metrics and reporting for 1,500+ POs per week, ensuring on-time placement and delivery.

Project Buyer at Schneider Electric (2011-04 – 2012-06)

• Led packaging and localization projects delivering over USD $105K in savings.
• Negotiated bailment agreements and price re-negotiations.
• Led PPAP/PPEP validation meetings for transferred production lines.

Senior Buyer at Motorola Solutions (2008-04 – 2011-06)

• Managed 1,000+ electronic components and 300+ LTB parts across multiple commodities.
• Resolved USD $250K+ in invoice payment issues, preventing supply chain disruptions.
• Led large-scale component transfers (5,000+ parts) into Reynosa site.
• Recognized repeatedly for KPI performance and proactive prevention of line-down events.

Buyer at Panasonic Devices (2006-01 – 2008-04)

• Led supplier evaluation for 35 vendors and managed 1,000+ active part numbers.
• Supported logistics, freight optimization, and inventory planning in MRP systems.
• Known for proactive cross-functional collaboration and rapid issue resolution.

Bachelor's Degree in Accounting – Universidad Autónoma de Nuevo León