John Callahan
Sr. Director Procurement- HDD PCBA, Platform and Consumer Solutions CM/ODM Management at Western Digital | Oceanside, California, United States
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Sr. Director Procurement- HDD PCBA, Platform and Consumer Solutions CM/ODM Management at Western Digital in November 2022 to Present
Director, Global Supply Chain - System Operations at Facebook in January 2020 to September 2021
Director, Sourcing ODM/OEM & Integration at Facebook in May 2012 to January 2020
Director Strategic Sourcing & Operations at GreenVolts in December 2009 to May 2012
Vice President Sourcing & Procurement at JDSU in January 2008 to October 2009
Sr. Director Supply Chain Operations at RadiSys Corporation in January 2003 to January 2008
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Commodities
Supply Chain Management
Global Sourcing
Supply Chain Optimization
Contract Negotiation
Contract Management
China sourcing
Contract Manufacturing
Change Management
Solar
Cross-functional Team Leadership
Cost Reduction
Cost Management
Operations
Operations Management
Inventory Management
ERP
Strategic Planning
Outsourcing Management
Launching Of New Products
Problem Solving
Team Building
Mentoring
International Management
Quality Management
Risk Management
Start-up Operations
Lean Manufacturing
Organizational Development
Agile
Oracle
Strategy
Management
Manufacturing
Start-ups
Supply Chain
Strategic Sourcing
Strategic Partnerships
Process Improvement
Procurement
Outsourcing
Sourcing
Product Development
Product Management
Program Management
Business Process Improvement
Continuous Improvement
Enterprise Resource Planning (ERP)
Product Launch
Solar Energy
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Discover more about Western DigitalWhat is John Callahan email address?
Email John Callahan at [email protected]. This email is the most updated John Callahan email found in 2026.
What is John Callahan phone number?
John Callahan phone number is +16503872535 and +14154281580.
How to contact John Callahan?
To contact John Callahan send an email to [email protected]. If you want to call John Callahan try calling on +16503872535 and +14154281580. (updated on September 13, 2024)
What company does John Callahan work for?
John Callahan works for Western Digital
What is John Callahan's role at Western Digital?
John Callahan is Sr. Director Procurement- HDD PCBA, Platform and Consumer Solutions CM/ODM Management
What industry does John Callahan work in?
John Callahan works in the Computer Hardware Manufacturing industry.
John Callahan Email Addresses
John Callahan Phone Numbers
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