
Diogo Edivaldo Teixeira Buta
ISO Lead Auditor (Exemplar Global) | Governance, Risk and Compliance (GRC) Executive | Commercial Compliance Specialist
About the specialist
Governance, Risk and Compliance (GRC) executive, lawyer and International Lead Auditor certified by Exemplar Global, with over 18 years of experience in Law, Compliance, Auditing, Risk Management, ESG and Alternative Dispute Resolution.
Throughout his career he has supported public and private organisations in implementing management systems, compliance programmes, certification audits and governance models aligned with international best practice, strengthening organisational integrity, transparency and sustainability.
He is CERTIBRASIL's representative in Angola, conducting certification audits and supporting organisations in the implementation and improvement of ISO-based management systems, with particular focus on compliance, anti-bribery, information security, privacy and quality.
He is also the founder of the Flor do Jardim Model, recognised as the first Angolan methodology dedicated to Commercial Compliance, currently associated with a proposal for a new international standard submitted to ISO/TC 309 - Governance of Organizations.
He participates actively in international organisations linked to compliance, governance and arbitration, and is co-author of scientific work in the field and a regular presence in standard-setting and institutional development initiatives.
Areas of Expertise
Governance, Risk and Compliance (GRC)
- ISO 37301 - Compliance Management System
- ISO 37001 - Anti-bribery Management System
- Governance, Risk and Compliance (GRC)
- ESG - Environment, Social and Governance
- Ethics and Integrity Programmes
- Due Diligence and Third-party Compliance
Audit and Certification
- ISO 9001 Lead Auditor
- ISO 27001 Lead Auditor
- ISO 27701 Lead Auditor
- ISO 37001 Lead Auditor
- ISO 37301 Lead Auditor
- Certification Audits
- Second and Third-party Audits
- Internal Control Audits
- Conformity Assessments
- Information Security and Privacy
Risk Management and Internal Control
- Enterprise Risk Management (ERM)
- Corporate Risk Assessment
- Internal Control
- Commercial Compliance
- Supplier and Partner Management
- Non-conformity Investigation
Mediation, Arbitration and Training
- Business Dispute Mediation
- Commercial Arbitration
- Compliance Training
- Internal Auditor Training
- Management System Development
- Board and Executive Team Capacity Building
Sectors of Experience
Credentials
18+ years of professional experience
- Certifications
- ISO 9001:2015 Lead Auditor
- ISO 27001:2022 Lead Auditor
- ISO 27701 Lead Auditor
- ISO 37001 Lead Auditor
- ISO 37301 Lead Auditor
- Exemplar Global International Certification
- Professional Experience
- Over 18 years of experience in Governance, Compliance and Auditing
- CERTIBRASIL representative in Angola
- Founder of the Flor do Jardim Model, a pioneering Commercial Compliance methodology
- Author of the New Work Item Proposal (NWIP) submitted to ISO/TC 309
- Full member of ALAM, ACCPA and ACGC
- Co-author of a scientific article published in 2024
- Nominated for the International Compliance Awards (ICA) 2026
Available Services
Implementation Consulting
Development and implementation of Compliance Management Systems (ISO 37301), Anti-bribery (ISO 37001), Corporate Governance and integrated GRC programmes.
Audits
Certification audits, second and third-party audits, internal audits, conformity assessments and due diligence of suppliers and partners.
Training
Executive training programmes in compliance, auditing, governance, risk management, business ethics and ISO management systems.
Mediation and Arbitration
Mediation and arbitration of business disputes, support for out-of-court dispute resolution and strengthening of organisational integrity mechanisms.