ISO 20400 Lead Manager study plan
ISO 20400 Lead Manager · Give each week a clear focus.
8 weeks · About 6 hours per week
Fundamental principles and key considerations for sustainable procurement
Define sustainable procurement and distinguish it from green procurement, CSR, and sustainable supply chain management in your own words
Map the ISO 20400 structure (scope, normative references, terms, seven core subjects) and label which clauses map to which exam domain
Explain the seven core subjects of ISO 26000 and give one procurement-specific example of each
Identify the key considerations of sustainable procurement: environmental, social, economic, and governance, plus risk-based prioritization
List the drivers and barriers to sustainable procurement adoption in public and private organizations
Your checkpoint
A one-page concept map linking ISO 20400 clauses to the seven exam domains, plus a 400-word glossary of 12 core terms with your own definitions
Integrating sustainability into the organization’s procurement policy and strategy
Describe how sustainability intent is embedded in an organization's procurement policy and strategy
Explain how to align procurement policy with organizational strategy, values, and external commitments such as the UN SDGs and OECD guidelines
Draft policy statements that set scope, principles, priorities, and accountability without being generic
Identify the roles of top management, procurement leadership, and internal stakeholders in policy endorsement
Explain how policy is communicated, reviewed, and kept current
Your checkpoint
A 600-word model sustainable procurement policy with a one-page stakeholder endorsement and communication plan
Organizing the sustainable procurement based on ISO 20400
Outline the governance structure needed to organize sustainable procurement, including roles, responsibilities, and decision rights
Explain how to build a cross-functional team and assign sustainability champions
Describe how to assess organizational context, spend, and category risk to set priorities
Explain how to build internal capacity through training, tools, and guidance
Identify how to engage external stakeholders such as suppliers, NGOs, and industry bodies
Your checkpoint
A RACI matrix for sustainable procurement roles plus a prioritized category list of at least eight spend categories scored by risk and influence
Measuring and improving performance based on ISO 20400
Define performance indicators across environmental, social, and economic dimensions and link them to policy objectives
Distinguish leading from lagging indicators and output from outcome measures
Explain how to collect, verify, and report data credibly, including supplier-reported data
Describe how to review performance, identify gaps, and trigger corrective action
Explain how benchmarking, audits, and management review support continual improvement
Your checkpoint
A KPI scorecard with at least 10 indicators, each with definition, unit, data source, frequency, and target, plus a one-page management review agenda
Planning and integrating sustainability into the procurement process based on ISO 20400
Map the procurement process stages and identify where sustainability requirements enter at each stage
Explain how to conduct a sustainability risk and opportunity assessment for a requirement
Write specification language that sets minimum sustainability criteria without excluding capable suppliers
Describe how to integrate sustainability into evaluation criteria, weighting, and award rules
Explain how to document sustainability requirements in the procurement plan and tender documents
Your checkpoint
A full procurement plan for one real requirement, including risk assessment, sustainability specifications, and weighted evaluation criteria
Supplier selection based on ISO 20400
Explain how to translate sustainability requirements into supplier pre-qualification and selection criteria
Distinguish mandatory exclusion grounds from scored sustainability criteria
Describe how to assess supplier capability, including codes of conduct, certifications, and self-declarations
Explain how to verify supplier claims and avoid greenwashing during evaluation
Describe how to run a fair, transparent, and documented selection process
Your checkpoint
A supplier selection package with a pre-qualification checklist, a scored sustainability criteria matrix, and a verification evidence list
Contract management and continual improvement based on ISO 20400
Explain how to embed sustainability commitments into contract terms, KPIs, and reporting obligations
Describe how to manage supplier performance through reviews, audits, and corrective action plans
Explain how to handle non-conformity, remediation, and escalation in a contract
Describe how to manage change, subcontracting, and supply chain risk during the contract term
Explain how contract lessons feed back into policy, specifications, and selection criteria
Your checkpoint
A contract management plan with sustainability clauses, a quarterly performance review template, and a corrective action workflow
Fundamental principles and key considerations for sustainable procurement & Integrating sustainability into the organization’s procurement policy and strategy & Organizing the sustainable procurement based on ISO 20400 & Measuring and improving performance based on ISO 20400 & Planning and integrating sustainability into the procurement process based on ISO 20400 & Supplier selection based on ISO 20400 & Contract management and continual improvement based on ISO 20400
Consolidate all seven domains into a single integrated process flow from policy to contract improvement
Test recall of key ISO 20400 definitions and clause intent under timed conditions
Analyze scenario questions and justify answers using ISO 20400 logic rather than intuition
Identify and close your weakest two domains with targeted review
Rehearse explaining the standard to a non-specialist in plain language
Your checkpoint
A two-hour timed mock exam scored by domain, plus a one-page remediation plan for your two weakest domains
Milestones
Week 2: You can explain, without notes, how policy intent flows from organizational strategy into procurement priorities, and you have a draft policy you would defend in a management review
Week 4: You can state the difference between leading and lagging indicators and produce a KPI with a defensible data source on demand; score at least 70% on a self-made 20-question quiz covering domains 1 to 4
Week 6: You can walk through a procurement from risk assessment to supplier award and point to exactly where each sustainability requirement enters; score at least 70% on a self-made 20-question quiz covering domains 5 and 6
Week 8: You score at least 75% on the timed mock exam, with no domain below 60%, and you have a written remediation plan for remaining gaps