Audit
Book an audit
Please click the link below to book your next audit or to register your interest in becoming certified against the LWG Standard. Once we have received your details, we will contact you with further information. We recommend booking your audit no less than six months in advance.
Aga Walkiewicz
Sustainability consultant and ISO auditor.
Alfredo Espantaleon
ISO 14001:2015 Environmental Lead Auditor, advanced Sustainability and CSR training, specialisms in waste reduction, float recycling and tannery process optimisation.
Alfredo Guerra
Certified Lead Auditor for ISO 14001, 45001, 50001, and 9001 with specialisms in ZDHC protocols and waste management.
Alisson Granemann de Medeiros
Certified in ISO 9001, IATF 16949, and ISO 14001, with specialisms in process engineering and sustainability.
Anne-Laure Leprêtre
Registered IEMA Principal Environmental Auditor with specialisms in clean technologies, process improvement and audit training.
António José Santos
ISO 14001:2015 Lead Auditor and ZDHC-certified trainer with over 30 years of experience in leather production, chemical management, and environmental auditing. Fellow of the SLTC and active in leather standardisation at national and European levels.
Balaji Velu
ISO 14001:2015 Lead Auditor with specialisms in chrome-free tanning, water recycling, and low-impact processes.
Daniel Da Costa
Implementation of ISO 9001, ISO 14001, and LWG systems across China, Vietnam and Brazil. Leader of major EHS initiatives, including APO treatment systems and lean manufacturing strategies.
Eric Valot
Leader of bovine and exotic leather production, wastewater management, and car interior leather casing projects with specialism in technical training, and process optimisation.
John Avery
ISO 14001:2015 Lead Auditor and Fellow and past President of the SLTC.
Jutta Knoedler
Advisor to UNIDO and the EU on sustainability and registered auditor for Energy Efficiency and ECO2L, specialisms in in wastewater, waste, energy, and emissions.
Marivi Galiana
IEMA-qualified Lead Auditor for ISO 14001:2015, with specialisms in clean technologies, water management, and chrome-free tanning alternatives.
Ricky Wilby
IRCA Certified ISO 14001:2015 Lead Auditor with specialism in the leather production process.
Robert Sheng-Tsai Yu
ISO 14001:2015 Lead Auditor with specialism in industrial quality management.
Tiger Wang
ISO 16949 QMS for automotive leather, ISO 14001:2015 Lead Auditor with specialism in ISO 16949 QMS for automotive leather.
Viswanathan Munusamy
BEE Certified Energy Manager and Lead Auditor for ISO 14001 and OHSAS 18001with specialisms in cleaner tanning, effluent treatment, and occupational safety.
Yigit N. Kaman
IRCA ISO 14001:2015 Lead Auditor with specialisms in environmental management, effluent treatment, and clean technologies.
Mohamad El Baba
A leather industry professional with more than 20 years of experience across the full production cycle, supported by a strong background in tannery leadership and operations with broad international knowledge of the sector.
James Chang
ISO 14001 Lead Auditor with leather tannery production experience. Formerly with a global certification body, and well‑versed in audit and certification processes.