William Ferrell
Tulsa
Summary
Professional Summary
Overview
28
28
years of professional experience
Work History
Buyer
Oil States Industries
Tulsa
03.2026 - Current
- Managed vendor relationships to secure timely delivery of materials and maintain supply chain efficiency.
- Negotiated pricing and terms with suppliers to optimize procurement costs.
- Analyzed market trends to inform purchasing decisions and strategies.
- Reviewed supplier performance and quality reports to ensure compliance with established standards.
- Developed procurement policies to streamline purchasing processes across departments.
- Resolved any discrepancies between purchase orders and actual receipts of goods or services.
- Worked with suppliers to expedite open purchase orders and shipments in-transit.
- Participated in negotiations with vendors concerning prices, delivery schedules, warranties and other contractual issues.
- Requested pricing quotes from suppliers to determine best source of supply.
- Developed relationships with vendors to secure better prices and payment terms.
- Maintained records of all purchases including item descriptions, costs, quantities received.
- Created reports on supplier performance metrics to highlight quality, delivery times, and identify cost savings opportunities.
Senior Buyer
AAON INC
Tulsa
08.2022 - 10.2024
- Negotiate pricing, contracts as it relates to Purchased Parts
- Create Purchase Orders based upon manufacturing requirements and re-order points
- Establishes re-order points based upon EAU/Supplier Lead Times
- Leader in group of Senior Buyers due to many years of experience
- Managed expedites including air freight
- Hot Shots direct to AAON from manufacturing location
- Lead role in all areas of inventory/procurement/planning/communication.
Purchasing Manager
Wedlake Enclosure Systems
Tulsa
12.2021 - 04.2022
- Responsible for all Purchasing, Inventory, & Material Issued per job accurately
- Create Purchase Orders and track receipts for 1200+ item numbers from 150k Capital Purchases to hardware at $.02 per piece with 2 employees assigned to me with regard to Purchasing
- All inventory control and accuracy with 1200+ item numbers from large sheets of steel and pipe, structural steel such as C-Channel, I-Beams, Etc
- Along with safety supplies, office equipment, etc as necessary to procure items to support a manufacturing facility that produces 40M in sales per year
- Supervise a total of 9 employees currently Purchasing/Materials
- Lead role in all areas of inventory/procurement/planning/communication.
Purchasing Manager
American Crane & Tractor Parts
Kansas City
03.2021 - 12.2021
- Purchasing Ag and large construction machinery parts for resale to customers at 6 locations in the U.S
- Negotiating piece price, tooling costs associated with the procurement of parts for Ag/Construction related market
- Supplier of Caterpillar, Komatsu, John Deere among many others
- Spending budget is 1.1M per month
- Lead Cost Reduction activities associated with all purchased parts
- Send RFQ's to suppliers to competitively quote parts/assemblies
- Negotiate piece price, development, costs with suppliers
- Supervise a total of 4 employees currently (Buyers)
- Make purchasing decisions based upon multiple considerations
- (Cost, Lead Times, Freight Cost) Lead role in all areas of supplier management, communication
- AVOB of suppliers in my charge is just over $12 million USD annually
- Compose/track Periodic Price Adjustment Agreements due to exchange rates, market fluctuations of raw materials
- Understand complex assemblies, and related components that are procured from around the globe
- Collect/submit items for duty drawback eligibility with 3rd party freight forwarder.
Purchasing & Materials Manager
Flex-N-Gate Corporation - Ventra Kansas/Guardian West Facilities
Ventra Kansas/Guardian West
05.2016 - 06.2020
- Purchasing automotive tier one and tier two parts, assemblies, etc
- Negotiating piece price, tooling costs associated with the procurement of parts for automotive OEM
- Supplier to GM, Fiat-Chrysler, Ford, Nissan, Toyota
- Responsible for inventory control in some very complex situations
- Lead Cost Reduction activities associated with all purchased parts
- Send RFQ's to tier 2 automotive suppliers to competitively quote parts/assemblies
- Analyze quote details in order to make a sound buying decision
- Negotiate piece price, development, testing costs with suppliers
- Supervise a total of 11 employees currently Buyers: Steel/ MRO/Electronics/Plastics
- Materials: Shipping/Receiving/Inventory Control
- Make purchasing decisions based upon multiple considerations
- (Cost, Supplier Rating, Lead Times, Freight Cost) Lead role in all areas of supplier management, communication
- AVOB of suppliers in my charge is just over $150 million USD annually
- Compose/track Periodic Price Adjustment Agreements due to exchange rates, market fluctuations of raw materials
- Understand complex automotive assemblies, and related components that are procured from around the globe
- Leader in management teams
- Relied upon as a professional who makes sound decisions.
Buyer
Mitsubishi Motors North America
Normal
03.2006 - 05.2016
- Purchasing automotive tier one parts, assemblies, etc
- Negotiating piece price, tooling costs associated with the procurement of parts for automotive OEM
- Lead Cost Reduction activities associated with commodities
- (VA/VE) Send RFQ's to tier 1 automotive suppliers to competitively quote parts/assemblies
- Analyze quote details in order to make a sound buying decision
- Negotiate piece price, tooling, development, testing costs with suppliers
- Lead supplier audits looking for cost reduction opportunities
- Lead Supplier Management teams to insure clear communication and action by commodity
- Make purchasing decisions based upon multiple considerations
- Lead role in all areas of supplier management, supplier ratings, and communication
- Negotiate timing, pricing for all Engineering Orders
- AVOB of suppliers in my charge was just over $200 million USD annually
- Compose/track Periodic Price Adjustment Agreements due to exchange rates, market fluctuations of raw materials
- Understand complex automotive assemblies, and related components that are procured from around the globe
- Coordinate tooling/testing lead time with suppliers in order to meet launch timing requirements.
Production Coordinator
KOMATSU AMERICA
Peoria
01.1998 - 01.2006
- In a series of manufacturing, technical, and procurement assignments, instituted modern management techniques: improved production quality, cut costs, reduced inventory, and established on-time delivery
- Upgraded manufacturing operations, policies, and procedures
- Tightened vendor product delivery standards to improve/reduce lead time
- Instituted inventory accuracy improvement program, maintained highest inventory accuracy numbers ever recorded in department
- Implemented lean manufacturing techniques to reduce lead time, and reduce direct cost related to product
- Improved lead time through negotiations, effective communication with supplier base
- Took over purchasing role in the most difficult commodities at Komatsu
- (Castings, Machining of Castings, Electronics)
- Consistently met tight requirements by working with supply base to improve
- Evaluated/Controlled purchasing requirements within a global Tier1 organization.
Education
High School Diploma -
Limestone High School
Bartonville, ILSkills
- Purchasing/Material Management
- Six Sigma Green Belt Certified
- Manufacturing/Quality Control
- MRO Purchasing to Large Equipment
- Production & Inventory Control
- Cost Reductions/VA/VE Items
- Experience in Several IATF-Compliant Facilities
- Distribution/Transportation
- Model Launch Experience
- Expansion/Turnaround Strategy
- Evaluation of New Suppliers to Ensure Corporate Requirements/Needs Are Met
- Cost-Effective Production
- Experience with RFQs, RFIs, RFPs
- Start-Up Operations/Organization
- Materials Management
- Experience in Exterior and Interior Parts (Automotive)
- Assess Supplier Capabilities and Fill Out Supplier Scorecards
References
Provided Upon Request
Career Achievements
- Managed 11 total employees (Buyers/Materials) at Flex-n-Gate/Ventra Kansas Facility.
- Successfully built out three (3) car lines at Mitsubishi Motors with minimal obsolete material.
- Successfully launched new platforms at Mitsubishi Motors, Flex-n-Gate Guardian West.
- Promoted to Buyer at Mitsubishi Motors within one year of service.
- Reduced obsolete material expenditures for commodity (MMNA) by 70% over the course of five (5) years.
- Worked closely with MMC Japan Engineering staff to coordinate material/structure changes.
- Earned respect as an integral team leader in a top-notch automotive manufacturing environment.
- As Buyer/Purchasing Manager I had responsibility for AVOB as follows: At Mitsubishi, $200M, at Flex-n-Gate, $150M annually.
- Reduced total lead time for Komatsu product by 50% by working with suppliers, manufacturing engineering support staff, buyers, and top management. This led to greater sales dollars generated by responding more quickly to customer demands.
Timeline
Buyer
Oil States Industries
03.2026 - Current
Senior Buyer
AAON INC
08.2022 - 10.2024
Purchasing Manager
Wedlake Enclosure Systems
12.2021 - 04.2022
Purchasing Manager
American Crane & Tractor Parts
03.2021 - 12.2021
Purchasing & Materials Manager
Flex-N-Gate Corporation - Ventra Kansas/Guardian West Facilities
05.2016 - 06.2020
Buyer
Mitsubishi Motors North America
03.2006 - 05.2016
Production Coordinator
KOMATSU AMERICA
01.1998 - 01.2006
High School Diploma -
Limestone High School