John Wernegreen, Mba, Usmc(Ret)
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John Wernegreen, Mba, Usmc(Ret) Email & Phone Number

Contracts | Supply Chain Procurement Specialist at Spirit AeroSystems
Location: Tehachapi, California, United States 13 work roles 3 schools
1 work email found @karmaautomotive.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Contracts | Supply Chain Procurement Specialist
Location
Tehachapi, California, United States
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John Wernegreen, Mba, Usmc(Ret) is listed as Contracts | Supply Chain Procurement Specialist at Spirit AeroSystems, a with 12522 employees, based in Tehachapi, California, United States. AeroLeads shows a work email signal at karmaautomotive.com and a matched LinkedIn profile for John Wernegreen, Mba, Usmc(Ret).

John Wernegreen, Mba, Usmc(Ret) previously worked as Supply Chain Manager at Sierra Technical Services and Sr. Staff Buyer/Planner at Sonendo®, Inc.. John Wernegreen, Mba, Usmc(Ret) holds Master Of Business Administration - Mba, Global Supply Chain Management from Keller Graduate School Of Management Of Devry University.

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*@karmaautomotive.com
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Profile bio

About John Wernegreen, Mba, Usmc(Ret)

Solutions-focused, versatile management professional with more than 20 years of leadership and management experience in the United States Marine Corps, Aerospace, and Automotive industry. An effective communicator who quickly masters new roles and technologies to achieve positive results. A professional with experience in Supply Chain Procurement, Sourcing, Planning, and MRP functionality to lead an organization to higher levels by utilizing resources through collaboration. Strong background in Procurement and Risk Mitigation (Recovery Efforts) to build strong relationships within the supply base to improve output and on-time delivery. Customer-focused leader (internal/external) to drive improved communications and improve customers' trust, eventually improving chances for future business.

Listed skills include Security Clearance, Military Experience, Military Operations, Operational Planning, and 32 others.

Current workplace

John Wernegreen, Mba, Usmc(Ret)'s current company

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Spirit AeroSystems
Spirit Aerosystems
Contracts | Supply Chain Procurement Specialist
Tehachapi, CA, US
Website
Employees
12522
AeroLeads page
13 roles · 28 years

John Wernegreen, Mba, Usmc(Ret) work experience

A career timeline built from the work history available for this profile.

Supply Chain Manager

Current

Tehachapi, California, United States

• Collaborates with other departments and stakeholders to identify and maintain resources needed to establish and provide an effective supply chain.• Establishes performance metrics for measuring, comparing, or evaluating factors affecting the supply chain.• Develops and maintains detailed inventories of materials and supplies located in the company, at sites, and in the factory.• Maintains the required quantity of supplies and materials to optimize production.• Analyzes current inventories and procedures; suggests improvements to increase the efficiency of the supply chain and profitability for the company.• Develop policies to increase efficiency throughout the supply chain while ensuring quality and safety; implement subsequent process changes.• Identifies optimal shipment and transportation routes with attention to consolidation of warehousing and distribution.• Assesses the need for material-handling equipment and staffing; makes recommendations to ensure efficient loading, unloading, movement, and storage of materials.• Negotiates prices for raw material and delivery with suppliers, vendors, and/or shipping companies.• Participates as an advisory member of the product development team, providing information and guidance on the availability and cost of supplies and materials.• Acts as part of the team coordinating engineering changes, product line extensions, or new product launches to ensure timely and orderly material and production flow transitions.• Monitors the performance of suppliers, assessing their ability to meet quality and delivery requirements; identifies and qualifies new suppliers in collaboration with other departments.• Performs other related duties as assigned.

Jun 2023 - Present

Sr. Staff Buyer/Planner

Laguna Hills, California, United States

• Process mindset and development skills – develop processes that deliver efficient and effective supply chain planning of demand and supply. • Support world-class S&OP processes.• Develop buying schedules and PFEP (plan for every part) tools to ensure timely schedule execution.• Maintain & participate in MRBs with manufacturing, design, engineering, and quality personnel to address problems as they relate to material availability and quality.• Manage inventories, monitor usage, establish reorder points and Kanban’s, and place purchase orders for both supply and inventory items as required.• Plan and develop operating policies, guidelines, and procedures for control of the Purchasing Department and to comply with GMP regulations.• Support & drive continuous improvement in the area of responsibility. • Develop processes and execute efficient and timely buying activities for all required direct and indirect spending.Analyze incoming requisitions and shortage reports for quality, specification, pricing, and delivery requirements. • Sourcing - Develop and investigate sources of supply, and issue requests for quotations as needed.• Prepare and issue purchase orders, expedite deliveries, and resolve payment and quality challenges with suppliers. • Conduct supplier visits, evaluations, and performance reviews to determine suitability and analyze supplier performance. • Conduct negotiations with potential suppliers to obtain favorable pricing, delivery, specifications, performance terms, and acceptance criteria.• Ensure qualified suppliers are identified for all components and services required for product lines. Work with existing suppliers to improve performance or identify the alternate supplier• Advise management of industry competitive situations, alternate supply sources, raw material costs, commodity price trends, and supply/demand situations that may impact the business. • Support & drive continuous improvement in the area of responsibility.

May 2022 - Jun 2023

Catagory Manager

• Strategically implemented, managed, and communicated sourcing projects and category management with aligned goals (savings, customer service, etc.)• Developed negotiation strategies and led negotiations to support those sourcing initiatives.• Identified gaps and opportunities for training, resources, and tools for programs.• Identified barriers to successful performance and provided potential solutions for their removal• Provided extensive leadership/interface with functional leaders and sites to assure precise alignment and support to enable success in meeting all goals, objectives, product developments, product manufacturing, and product launches.• Provided outstanding customer service to both internal and external customers• As required, led meetings with customers/vendors and represented the company at conferences and networking platforms.• Leveraged best practices to drive improved quality, delivery excellence, continually reduced costs, and improved the product and services for our customers.• Executed strategic goals and objectives to support company goals and objectives.• Actively identified optimal levels of customer service and continually monitored areas for improvement.• Conducted RFx development, negotiations, and contracting to reduce spending while ensuring high service levels. Lead complex processes for Requests for Information, Requests for Proposal.• Provided project management and sourcing expertise to functional team and cross-functional teams.• Led the development and execution of long-term strategies that will optimize Virgin Galactic’s position in terms of quality, response time, risk, and total cost.• Led by example through Virgin Galactic’s values, to foster transparent and open communication.

Aug 2020 - Jan 2022

Senior Buyer

Irvine, Ca

•Performed complex purchasing activities to include pricing, volume discounts, negotiating terms and long-term contracts with suppliers, and delivery of goods\services.•Negotiated best terms (price, delivery, and payment terms) with suppliers, while maintaining an efficient output of purchase orders, to reach the highest quality at the best value.•Established source selection criteria for the evaluation of quotations to include target pricing.•Evaluated quotations received from prospective suppliers and make decisions regarding the award of purchase orders.•Implemented formal and legal contractual documentation into the purchase orders, encompassing all corporate and government requirements.•Resolved discrepancies between purchase order requirements and supplier performance•Ensured compliance with government laws, regulations, and procurement policies and procedures•Identified problem areas, initiates corrective action, and establish problem resolution dates promptly•Maintained current and accurate purchase order data in the purchasing system (e.g., delivery dates, pricing, change orders)•Other responsibilities as assigned•Consistent exercise of independent judgment and discretion in matters of significance.

May 2019 - Aug 2020

Materials Planner, Production Control & Logistics

Moreno Valley, Ca

•Coordinated and executed scheduling activities for assigned parts utilizing SAP ERP systems and tools.•Acted as a focal point and monitor assigned areas to ensure material delivery dates meet production needs.•Identified and coordinated advanced notice, input, and resolution of material shortages/overages.•Interfaced with stakeholders within KARMA to identify and coordinate the disposition of obsolete, non-conforming, and excess materials.•Analyzed data and collaborate with internal customers to determine and apply appropriate ordering, inventory, and replenishment policies.•Anticipated potential problems and risks, and generate ideas, insight, and solutions to resolve or “head off” potential problems, followed by decisive action to implement solutions.•Analyzed data to determine opportunities to decrease inventory, improve customer service levels, and reduce total costs to support lean manufacturing activities.•Demonstrated effective collaboration skills thru open communication and sharing of pertinent business information to all departments.•Represented the company successfully and exercised flexibility in communications with internal and external customers.•Assisted the Purchasing Manager during customer contract development to ensure new supply agreements are implemented and executed expertly, efficiently, and by KARMA policies and procedures.

Oct 2017 - May 2019

Buyer

Corona

•Reviewed requisitions, purchase orders, and vouchers for accuracy and conformance with established policies and procedures.•Responsible for source selection and procurement functions directly associated with the company's needs for indirect materials and services, fixed assets and tooling, and select production materials and services. •Obtained oral and written quotations from vendors and documented competitive bidding.•Expedited purchase orders and notified departments of the expected delivery date and followed up on backorders. •Utilized JD Edwards material requirements planning (MRP) to manage manufacturing processes•Met with vendors seeking to establish relationships with the firm. Reviewed materials presented and forwarded the information to the appropriate purchasing agent along with a recommendation as to whether the vendor deserves further consideration.•Followed guidelines established to maintain a “just-in-time” level of inventory.•Monitored shipments to ensure that goods come in on time and resolved problems related to undelivered goods.•Utilized problem-solving skills to resolve root causes for problematic suppliers.•Researched and evaluated suppliers based on price, quality, selection, service, support, availability, reliability, production and distribution capabilities, and the supplier's reputation and history.•Analyzed price proposals, financial reports, as well as historical data and information to determine reasonable prices.•Negotiated, renegotiated, and administered contracts with suppliers, vendors, and other representatives.•Conferred with staff, users, and vendors to discuss defective or unacceptable goods or services and determine corrective action.•Evaluated and monitored contract performance to ensure compliance with contractual obligations and to determine the need for changes.

Apr 2015 - Oct 2017

Division Manager

• Maintained an active military educational program which ensured professional growth of all employees under my leadership. • Incorporated Operational Risk Management (ORM) into all planning, training, and execution stages to preserve the safety of employees and equipment. • Structured and assigned tasks to optimize productivity, organization, and efficiency.• Worked under pressure, multi-tasked, and met tight deadlines.

2012 - Feb 2015

Manager Of Marines

United States Marine Corps
Mar 1997 - Feb 2015

Advanced Skills Management (Asm) Fleet Administrator

• Developed and coordinated all formal training with Fleet Support Representatives and company personnel. • Managed and monitored all external duties and roles assigned in ASM. • Acted as the primary point of contact for all issues pertaining to training and qualifications in ASM. • Created, maintained, and edited over 200 worker profiles in the Advanced Skills Management program website on a weekly basis. • In a 24 month period, produced more than 3000 ASM reports for various needs of the aviation maintenance department and efficiently processed over 2000 trouble tickets.

2012 - 2014 ~2 yrs

Tool Control Program Coordinator

• Followed up and monitored program audits with resolve, fundamentally increasing the effectiveness of the company’s local command procedures and Tool Control Program compliance. • Directed and monitored requisitioning, receipt, and allocations of materials, tools, and aviation support equipment in excess of $100 million.• Identified critical problems within the Tool Control Program, and through process improvement was able to turn a non-compliant program to a compliant program in a 12 month period. • Worked closely with the Aviation Supply Department to ensure the required materials, components, and tools were readily available.

2012 - 2014 ~2 yrs

Front Line Supervisor

• Supervise and evaluated employees on a daily basis• Conducted high quality training for groups of up to 150 employees monthly. • Improved staff productivity and efficiency through process improvement.• Submitted comprehensive and timely reports to higher management

1999 - 2014 ~15 yrs

Maintenance/Production Controller

• Planned, organized, directed and managed the maintenance, repairs, and scheduling of aircraft, aircraft components, and aviation support equipment. • Ensured compliance with applicable technical publications through the use of maintenance instruction manuals for the appropriate type/model/series aircraft, associated systems, aviation support equipment, aeronautical components, and aviation equipment. • Oversaw more than 150 Marines encompassing 11 work centers in the daily maintenance of CH-46E helicopters. • Supported the successful attainment of all military objectives during a 6 year period. • Supervised the successful deployments of CH-46E helicopters in support of multiple military operations throughout the world.

2006 - 2012 ~6 yrs
Team & coworkers

Colleagues at Spirit AeroSystems

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3 education records

John Wernegreen, Mba, Usmc(Ret) education

Bachelor’S Of Science In Business Management, Global Supply Chain Management

Doctor Of Business Administration, Logistics, Materials, And Supply Chain Management

FAQ

Frequently asked questions about John Wernegreen, Mba, Usmc(Ret)

Quick answers generated from the profile data available on this page.

What company does John Wernegreen, Mba, Usmc(Ret) work for?

John Wernegreen, Mba, Usmc(Ret) works for Spirit AeroSystems.

What is John Wernegreen, Mba, Usmc(Ret)'s role at Spirit AeroSystems?

John Wernegreen, Mba, Usmc(Ret) is listed as Contracts | Supply Chain Procurement Specialist at Spirit AeroSystems.

What is John Wernegreen, Mba, Usmc(Ret)'s email address?

AeroLeads has found 1 work email signal at @karmaautomotive.com for John Wernegreen, Mba, Usmc(Ret) at Spirit AeroSystems.

Where is John Wernegreen, Mba, Usmc(Ret) based?

John Wernegreen, Mba, Usmc(Ret) is based in Tehachapi, California, United States while working with Spirit AeroSystems.

What companies has John Wernegreen, Mba, Usmc(Ret) worked for?

John Wernegreen, Mba, Usmc(Ret) has worked for Spirit Aerosystems, Sierra Technical Services, Sonendo®, Inc., Virgin Galactic, and Meggitt.

Who are John Wernegreen, Mba, Usmc(Ret)'s colleagues at Spirit AeroSystems?

John Wernegreen, Mba, Usmc(Ret)'s colleagues at Spirit AeroSystems include Avis Banks, Allen Bennington, Kent Jamis, Cory Johnson, and Carlton Elks.

How can I contact John Wernegreen, Mba, Usmc(Ret)?

You can use AeroLeads to view verified contact signals for John Wernegreen, Mba, Usmc(Ret) at Spirit AeroSystems, including work email, phone, and LinkedIn data when available.

What schools did John Wernegreen, Mba, Usmc(Ret) attend?

John Wernegreen, Mba, Usmc(Ret) holds Master Of Business Administration - Mba, Global Supply Chain Management from Keller Graduate School Of Management Of Devry University.

What skills is John Wernegreen, Mba, Usmc(Ret) known for?

John Wernegreen, Mba, Usmc(Ret) is listed with skills including Security Clearance, Military Experience, Military Operations, Operational Planning, Command, Military Training, Marine Corps, and Organizational Leadership.

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