Tedrick Demumbrum
Romulus,MI
Summary
Results-driven operations manager with over 20 years of experience people leading, decision-making, and problem-solving. Proven success in process improvements, launching, team building, cost savings, and driving accountability.
Overview
10
10
years of professional experience
Work History
Area Business Manager
General Motors Co
Lake Orion, MI
02.2026 - 06.2026
- Conducted interviews and onboarded staffing personnel.
- Recruited and hired employees and implemented mentoring program to promote positive feedback and engagement.
- Trained, coached, and mentored new group leaders and other personnel on company policies and best practices.
- Collaborated with cross-functional teams across multiple plants sites to drive operational efficiency, improve processes, share lessons learned.
- Facilitated training sessions for team members to ensure 100% cross-trained personnel.
Interim Production Shift Leader
General Motors Co
Lansing, MI
09.2025 - 02.2026
- Oversaw production operations and meet or exceeded throughput target goals daily within what was controllable from a production standpoint.
- Led shift meetings to communicate goals, updates, and address staff concerns effectively.
- Increased our first time electrical quality by 4.8%.
- Lead daily 5F which is where I spoke to and addressed quality defects and/or concerns while ensuing that robust countermeasures and breakpoint were being implemented.
- Monitored production metrics to ensure adherence to performance targets and guidelines.
- Cultivated a culture of inclusion, pride, and accountability
- Collaborated with other departmental shift leader to ensure good communication, best practices, and a one team mentality.
Business Manager
General Motors Co
Lansing, MI
09.2023 - 02.2026
- Initiated budget management activities and cost initiatives to minimize non scheduled overtime year over year by 23% for my departmental shift.
- Quick strategic decision-making in difficult situation.
- Coordinated daily production manpower in general assembly of roughly 462 people to optimize workflow and minimize downtime.
- Deployed business plan development and lean manufacturing to drive the business increase productivity by 6% and reduce safety incidents by 2.3% over 2 years.
- Championed 3 new product launches with flawless execution winning 2024 Launch of the Year Award while also onboarding an additional shift.
- Collaborated cross-functionally with other departments and teams and maintained strong relationships with them to maximize production and quality goals.
- Trained, coached, and mentored new group leaders and other salary personnel on company policies and best practices.
Supplier Action Center Superintendent
General Motors Co
Bowling Green, KY
11.2021 - 09.2023
- Supported project coordination and smooth workflow by coordinating materials, inspections, and contractor actions.
- Evaluated subcontractor performance regularly, ensuring adherence to contract requirements and maintaining accountability throughout the lifecycle of each project.
- Delegated rework and sort projects to contract companies that reported to me such as Ryder and Stratosphere.
- Scrap Administrator in which I trained all plant personnel on how to use Mojix, granted access, and monitored scrap account. Also, reduced scrap cost by 4.7%.
- Chairman for the Professional Managers Network in which I initiated programs to help develop and mentor our level 6 and 7 leaders.
Paint and Body Zone Group Leader
General Motors Co
Bowling Green, KY
01.2020 - 11.2021
- Led cross-functional teams to enhance product development and streamline production processes as well as eliminated bottlenecks while reallocating people cost saving 400K annually.
- Implemented continuous improvement initiatives, reducing waste and increasing operational efficiency by 6 (JPH) jobs per hour.
- Developed training programs for team members, fostering skill advancement and knowledge sharing.
- Oversaw daily production in multiple areas and departments such as Finesse, Wet Sand,, and Paint Repair.
- Eliminated the plant's number 1 defect and (GCA) call which was chipped hatches saving the company roughly 1.2 million annually.
Production Supervisor
General Motors Co
Spring Hill, TN
01.2016 - 12.2019
- Oversaw daily production operations in but not limited to Chassis, AGV, Trim, Final, and Repair, ensuring adherence to throughput, safety, and quality standards.
- Coordinated daily manpower to ensure successful start up.
- Eliminated top throughput and bottleneck stations in areas by intensive throughput reviews and innovative thinking.
- Managed roughly 60 direct reports daily.
- Developed cross-functional relationship with UAW counterparts and ensured local and national contractual compliance.
Education
Computer A+ - Computer And Information Systems
Texarkana College
Texarkana, TX2011
Introduction To Business Management - Business
Coastal Bend College
Beeville, TX2009
Computer Applications - Computer Applications
Coastal Bend College
Beeville, TX2008
Skills
- Operations Management
- Teamwork and collaboration
- Decision-making
- Problem-solving
- Multitasking
- Staff training and development
- Business development and planning
- Self motivation
Affiliations
- Professional Managers Network
- Freemason
Timeline
Area Business Manager
General Motors Co
02.2026 - 06.2026
Interim Production Shift Leader
General Motors Co
09.2025 - 02.2026
Business Manager
General Motors Co
09.2023 - 02.2026
Supplier Action Center Superintendent
General Motors Co
11.2021 - 09.2023
Paint and Body Zone Group Leader
General Motors Co
01.2020 - 11.2021
Production Supervisor
General Motors Co
01.2016 - 12.2019
Computer A+ - Computer And Information Systems
Texarkana College
Introduction To Business Management - Business
Coastal Bend College
Computer Applications - Computer Applications
Coastal Bend College