Madhan Nath Ayyadurai
Summary
Senior Manager with 10 years of experience in Warehouse, Freight & 3 PL Management. 5 Years of experience in End-to-End Supply Chain Project Management, Process Improvement, Supply Chain Data Analysis, Network Optimization & Cost Reductions. Successfully delivered Supply Chain Projects. Projects span New Warehouse setup, parts availability Improvement, Network flow changes, New Product Introductions, and Gap and data analysis to improve the Aftermarket Supply Chain.
Distribution operations professional with extensive experience in managing large-scale logistics and supply chain functions. Known for driving operational excellence through innovative strategies and fostering collaborative team environment. Adaptable and reliable, consistently achieving organizational goals and improving distribution networks through effective problem-solving and communication.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Senior Manager Distribution Operations
Cytiva
05.2025 - Current
- Improved distribution operations performance from 95.7% to 96.4% (FY25) by implementing daily management and Monthly Business Reviews with 3PL.
- Reduced internal and external customer complaints by 48% YoY; improved case closure cycle time to 2.7 days vs. 5-day target.
- Implemented various innovative solutions like mobile printer solution for forklifts, saving 5 minutes per pick; initiated RPA automation plan targeting 8 hours/day manpower savings, piloted computer vision for measuring the weights and dims of items (Master data accuracy).
- Manage the Warehouse and logistics budget of 14M USD and cost control by Operational Improvements.
- Conducted detailed warehouse space reduction analysis for Singapore site, collaborating with the COE team on Network Design Projects to optimize footprint and support strategic planning.
- Optimized Warehouse Footprint by reducing a 35,000 sqft warehouse, achieving $522K cost savings per Annum; initiated a sublease strategy generating $40K additional savings/annum.
- Managed annual RFQ processes and service requirements, ensuring contract compliance.
- Manage the logistics freight forwarders on cost, quality, on time and compliance metrics.
- Establish Transport Management system routing rules, Audit Freight Pay process and partner with service providers to improve the service level by problem-solving process.
- Mentored and built team members to manage Singapore Warehouse and export Operations, fostering capability building and operational resilience.
Senior Manager DC Operations
Cytiva
05.2023 - 05.2025
- Provide Strategic leadership and oversight for the Regional Distribution Centre in Singapore and Medical Device Warehouses in Australia, South Korea and India.
- Effectively manage and optimize the distribution and fulfillment process, ensuring on-time and cost-effective delivery of products meeting both customer and business needs.
- Collaborate with cross-functional teams, including Logistics, Customer Service, Delivery fulfillment, Trade Operations, Quality and Regulatory Compliance, Finance and Business Units to achieve revenue targets.
- Manage a team of 4 Warehouse Managers and 3PL Service Providers, Audit Compliance (EHS, SOX Audits, GDPMS and Regulatory Audits).
- APAC Business Partner and setup SOPs and WI to drive Process Standardization and Productivity in Warehouse Operations.
- Expanded the Medical Device Warehouse in Australia, Korea, and India to support Business growth.
- Automated the Medical Device labeling with 3PL according to regulatory standards.
- Drive Continuous Improvement and execute projects to improve productivity and cost savings.
Regional Warehouse Manager
Cytiva
04.2020 - 04.2023
- Oversee and manage the entire Regional Warehouse and distribution functions; establish and integrate the infrastructure and resources to ensure the efficient and effective operation of the receiving, storage, and distribution of finished goods to meet business and customer needs.
- Lead contract negotiations and Service Level Agreements with 3PL.
- Manage a 3PL team of 26 headcounts to ensure operational excellence and achieve Key Performance Indices of the Regional Finished Goods Warehouse.
- Achieved an Inventory accuracy of 99.80% both in Daily Cycle Count and Annual Physical Inventory Count by Implementing one Item one Locator strategy in the warehouse.
- Ensured the systems and procedures in the warehouse operation followed the existing ISO13485 and Good Distribution Practices. Successfully passed GDPMS audit year over year with no non-conformance.
- Improved shipping accuracy from 99.85% to 99.92% and timely resolution of customer complaints by managing both the 3PL and logistics service providers.
- Lead continuous improvement and process improvement projects to exceed the variable cost-saving targets.
Material Management Developer
VOLVO Group Singapore
01.2015 - 12.2019
- Project Manager for After Market Supply chain for Volvo Groups across multiple brands like Renault Truck, Volvo Trucks and Bus, UD Trucks, Volvo Construction Equipment.
- Supply Chain Projects Manager and Subject Matter Expertise to improve business processes and implement new flow for After Market Supply Chain.
- Supply Chain Analysis - Involved in Analysis to Improve the Business process or reduce Operating expenses.
- Increased the parts availability for Regional Warehouse in Singapore, China, and India for Volvo Construction Equipment's Business from 91% to 93% driving dealer satisfaction.
- Gap Analysis and Solution for tactical and Operational Issues. Analysis of the Dealer Inventory for region India and provided recommendations to Senior Management.
- Implemented new flow setups for low-cost supply chain for product assortment reducing lead-time and freight cost.
- Process Improvement - Conceptualized, Developed, and Implemented a system enhancement that provides the estimated time of arrival (ETA) for Dealer Backorders. Piloted in APAC and subsequently rolled to South America, Europe, and Mideast countries.
- Project Management - Implemented Supply Chain flow change after conducting a business case on the impact of Freight costs, Operating Expenses, Inventory Cost Savings, and Impact on dealer service levels.
- Manage Project Schedules and activities, Identify Risks and Communicate Project status to Stakeholders as a Project Manager
- Project Manager for Direct Delivery of Construction Equipment Service Market Parts from Central Warehouse to Dealers with a savings potential of 1.6 million SEK savings / Year
- Project Lead for changing the central warehouse from Belgium to Singapore for Service Market Business - Roller Compactor Machine. This results in an improvement in the availability of parts and reduced freight cost.
- Project Manager for Direct Delivery of Machine Breakdown Parts from Plant in Sweden to European Dealer. Establishing Order flow, Invoice Flow, VAT Flow, and Information Flow. This result is savings in lead-time of 2-3 days for Backorder Recovery.
Fleet Management Executive
Singapore Airlines Engineering Company
04.2012 - 01.2015
- As a Warehouse and Supply Chain Executive, managed a team of operation staff and 3PL DB Schenker to manage the SIAECs supply chain on Warehouse Operations, KPI Management, and Process Compliance.
- Managed the daily operations on Inbound Receiving, Outbound Shipments, and Material Transactions to Operational Requirements, Cycle Count, and Quality Documentation.
- Worked together with warehouse 3PL and Freight Forwarding Partners for current Operations, future projects, and expansions.
- Managed the freight forwarder KPI and conducted regular Monthly reviews.
- Drive Process efficiency and improvement initiatives to meet logistics requirements and service levels.
- Worked on cross-functional projects and resolved operational issues involving both internal and external customers.
- Drive cost reduction initiatives in warehouse and freight costs through productivity improvement and freight cost analysis/benchmarking.
Manufacturing Logistics Representative
Agilent Technologies Singapore
06.2010 - 04.2012
- Responsible for Production Logistics of the Life Science and Chemical Analysis manufacturing plant Operation based in Singapore. Supervised 3PL with a team size of 14 Headcount to ensure operational excellence and drive towards Key Performance Indices.
- In charge of warehousing, inventory control & management of the raw materials and finished goods, distribution network design, import and export clearance activities, transportation management, quality management, cost management, and supplier management to support the production.
- Monitoring Service Level turnaround time with each Freight Forwarders and managed the Asia Pacific Logistics Network in Singapore
- Responsible for developing, implementing, and managing dashboard of KPIs, logistics reports, and converting manual reports to system-generated reports in reporting portal.
- Perform computer-based planning and data analysis for research, organize information, cost /benefit analysis for capacity and resource review and budgetary planning.
- Yearly review of Zones and distribution networks to establish the Inbound Routing Guide to Planners and Buyers.
- Work closely with global trade to meet customs, traffic, and licensing requirements.
- Lead Supplier Sourcing, Negotiation and Contract Administration.
Software Engineer
Satyam Computer Services Ltd
07.2006 - 07.2008
- Working with clients in understanding their requirements
- Implementation of SAP – WM Module for the Retail Client Mars USA
- Verifying the Business Requirement Document and drafting the test cases to suit the Business flow.
- Communication with the clients and updating the project status.
- End-User Testing and Go Live Implementation.
Education
MSc. - Logistics
Nanyang Technological University
Singapore05.2009
B.E. - Mechanical Engineering
Anna University
India05.2006
Skills
- Knowledge of Supply Chain Process & Project Management, Supply Chain Partner in Region APAC
- Warehouse Management, Freight forwarder & 3PL Management, Cost and Performance Management, Stakeholder Engagement & Collaboration with both Internal and external parties
- Team Management and People development
- Analyzing existing systems and processes to devise notable enhancements in Supply Chain (Flow Change Optimization and Distribution)
- Setup of New Warehouse & support on warehouse expansion together with the 3PL
- Logistics management
- Supply chain optimization
- Quality management
- Problem-solving
- Operational efficiency
- Warehouse management
- Distribution network optimization
- Order fulfillment
Certification
- Transportation and Logistics Management (TLM) - 2024-10 - Danaher - DBS
- Engineering Leadership for Emerging Leaders - 2021-07 - MIT
- Diploma in Project Management Fundamentals - 2016-06 - Volvo Group University
- APICS CSCP – Certified Supply Chain Professional - 2015-12 - SMF Center for Corporate Learning
- Dangerous Goods Handling Certification - 2013-10 - Singapore Airlines Training Centre
Timeline
Senior Manager Distribution Operations
Cytiva
05.2025 - Current
Senior Manager DC Operations
Cytiva
05.2023 - 05.2025
Regional Warehouse Manager
Cytiva
04.2020 - 04.2023
Material Management Developer
VOLVO Group Singapore
01.2015 - 12.2019
Fleet Management Executive
Singapore Airlines Engineering Company
04.2012 - 01.2015
Manufacturing Logistics Representative
Agilent Technologies Singapore
06.2010 - 04.2012
Software Engineer
Satyam Computer Services Ltd
07.2006 - 07.2008
B.E. - Mechanical Engineering
Anna University
MSc. - Logistics
Nanyang Technological University