DANIEL A. DINGMAN
723 Dorcaster Drive Wilmington
Summary
Operations and Plant Manager with 20+ years experience in manufacturing and industrial operations. Strong background in managing production, safety, quality, and maintenance while improving efficiency and reducing costs. Proven track record of increasing revenue, improving margins, and leading high-performing teams. Skilled in P&L management, lean manufacturing, regulatory compliance, and project execution. Experienced in supply chain, equipment reliability, and NDT inspections. Able to drive continuous improvement and deliver results in fast-paced environments
Overview
44
44
years of professional experience
Work History
General Manager
DRAKE REFRIGERATION
Bensalem, PA
08.2021 - 03.2026
- Directed full P&L operations, driving revenue growth from $9M to $11.9M and increasing margins from 8% to 15.8% within three years.
- Led cross-functional teams across operations, sales, engineering, and supply chain, improving productivity and aligning performance with strategic goals.
- Optimized purchasing, production planning, and logistics processes, reducing operational costs and improving on-time delivery and ROI.
- Expanded market presence through new business development and vendor partnerships, increasing booked sales from $10M to $14.3M.
Director of Manufacturing
GLASS ENTERPRISES INC.
Bensalem, PA
10.2020 - 05.2021
- Directed manufacturing operations for a $25M+ facility, overseeing safety, quality, production, logistics, and maintenance functions.
- Implemented KPI-driven performance frameworks across safety, quality, and production, improving operational visibility and accountability.
- Improved production efficiency and on-time delivery through process optimization and workflow enhancements in a high-growth environment.
- Reinforced safety culture and compliance standards, reducing risk and supporting continuous improvement initiatives.
Director Field Service / Warranty Manager
NORTHEAST BUILDING PRODUCTS
Philadelphia, PA
07.2017 - 06.2020
- Directed field service and warranty operations for a $4M+ department, managing costs, labor, and fleet expenses while transitioning to a P&L-driven model.
- Led a team of 10, overseeing nationwide service delivery for $90M+ in customer accounts across 14 distribution centers.
- Streamlined warranty, installation, and service processes, reducing turnaround time and labor hours through workflow optimization.
- Partnered with production, quality, and logistics teams to resolve product issues end-to-end, improving customer satisfaction and service performance.
Plant Manager
AIR LIQUIDE US LP
Gibbstown
04.2012 - 06.2017
- Directed 24/7 plant operations for a 200 TPD CO₂ recovery and dry ice facility, managing 12 staff while ensuring compliance with FDA, OSHA, EPA, and DOT regulations.
- Implemented Lean manufacturing and optimized production scheduling, reducing labor costs, overtime, and power consumption while maintaining output levels.
- Negotiated utility contracts and operational changes, generating $200K+ annual cost savings and reducing waste and chemical usage.
- Led maintenance strategy using CMMS (Maximo) and predictive planning, improving plant reliability, eliminating downtime, and achieving zero safety incidents over 5+ years.
Plant Manager / Project Manager
BF RICH COMPANY, INC.
Newark, DE
02.2000 - 01.2012
- Directed operations for a $30M manufacturing facility with 145–220 union employees, managing budgets, production, materials, and compliance to achieve performance targets.
- Led capital projects totaling $2.26M+, overseeing equipment procurement, vendor negotiations, and production line design to improve output and efficiency.
- Implemented Lean manufacturing and batch scheduling systems, increasing productivity by 35% and reducing labor costs from 18% to under 12%.
- Reduced material waste and operational costs by $100K+ annually through supplier collaboration, process improvements, and optimized inventory management.
GERIS 2000 Operator / Level II UT / Lead Wall Tech
GE NUCLEAR INSPECTIONS
Huntersville, NC
03.1995 - 12.1999
- Coordinated and executed automated and manual NDT inspections during nuclear plant outages, supporting critical maintenance for reactor systems.
- Operated, calibrated, and maintained GERIS 2000 ultrasonic inspection equipment, improving system reliability and inspection accuracy.
- Planned inspection schedules and managed cross-functional crews, ensuring timely completion of outage activities under strict regulatory requirements.
- Troubleshot and enhanced robotic inspection systems, increasing performance and minimizing downtime during high-risk operations.
Commercial Diver/Tender
CHUBASCO MARINE SERVICES
Corpus Christi, TX
01.1996 - 12.1996
- Coordinated and executed automated and manual NDT inspections during nuclear plant outages, supporting critical maintenance for reactor systems.
- Operated, calibrated, and maintained GERIS 2000 ultrasonic inspection equipment, improving system reliability and inspection accuracy.
- Planned inspection schedules and managed cross-functional crews, ensuring timely completion of outage activities under strict regulatory requirements.
- Troubleshot and enhanced robotic inspection systems, increasing performance and minimizing downtime during high-risk operations.
UNITED STATES ARMY RESERVES
Combat Medic/LPN, Personnel Management Specialist
03.1982 - 06.1996
- Delivered emergency medical care and triage in high-pressure field environments, supporting mission-critical operations during deployments.
- Trained and supervised personnel on mobile hospital (DEPMEDS) setup, improving deployment efficiency for a 400-bed field unit.
- Managed personnel evaluations, readiness reporting, and coordination with command staff, enhancing operational planning and workforce alignment.
- Streamlined deployment processes and earned Army Commendation Medal for outstanding performance during Desert Storm operations.
Education
Industrial Refrigeration Operator I & II -
Garden City Ammonia Program
GARDEN CITY, KSOperation & Maintenance -
Reciprocating Compressor Training
HOUSTON, TX / BATON ROUGE, LALean Manufacturing Training -
Delaware Manufacturing Extension Partnership
NEWARK, DECommercial Diver And NDT Theory Certifications -
OCEAN CORP
HOUSTON, TXGeneral Studies -
MISSISSIPPI STATE UNIVERSITY
STARKVILLE, MSSkills
- Leadership
- Operations Management
- Project Management
- P&L Management
- Budgeting
- Cost Reduction
- Lean Manufacturing
- Process Improvement
- Quality Control
- Quality Assurance
- HSE / Safety
- Regulatory Compliance
- Production Planning
- Supply Chain
- Inventory Management
- Equipment Maintenance
- CMMS
- Team Management
- Contract Negotiation
- NDT / Ultrasonic Testing
Timeline
General Manager
DRAKE REFRIGERATION
08.2021 - 03.2026
Director of Manufacturing
GLASS ENTERPRISES INC.
10.2020 - 05.2021
Director Field Service / Warranty Manager
NORTHEAST BUILDING PRODUCTS
07.2017 - 06.2020
Plant Manager
AIR LIQUIDE US LP
04.2012 - 06.2017
Plant Manager / Project Manager
BF RICH COMPANY, INC.
02.2000 - 01.2012
Commercial Diver/Tender
CHUBASCO MARINE SERVICES
01.1996 - 12.1996
GERIS 2000 Operator / Level II UT / Lead Wall Tech
GE NUCLEAR INSPECTIONS
03.1995 - 12.1999
UNITED STATES ARMY RESERVES
Combat Medic/LPN, Personnel Management Specialist
03.1982 - 06.1996
Industrial Refrigeration Operator I & II -
Garden City Ammonia Program
Operation & Maintenance -
Reciprocating Compressor Training
Lean Manufacturing Training -
Delaware Manufacturing Extension Partnership
Commercial Diver And NDT Theory Certifications -
OCEAN CORP
General Studies -
MISSISSIPPI STATE UNIVERSITY