ISO 20400 Lead Manager study materials
ISO 20400 Lead Manager study resources

ISO 20400 Lead Manager study plan

ISO 20400 Lead Manager · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

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

Week 2

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

Week 3

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

Week 4

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

Week 5

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

Week 6

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

Week 7

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

Week 8

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