The associations representing the rendering and allied industries serve as global advocates for progress and sustainability. They promote best practices and uphold industry standards, ensuring transparency, safety, and efficiency across the value chain.
Peter Milzewski
President
The World Renderers Organization (WRO) was founded in 1999 to represent the international rendering community. Rendering, known to be the world’s original recycling business, has been prominent in several civilisations for centuries. Processors from the USA, Canada, UK, Europe, Australia, and New Zealand established the WRO that now represents more than 20 countries. New country members are always welcome to join the organisation
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Ken Seitz
Chair, Executive Committee Member
Ken Seitz is President & CEO of Nutrien and Chair of the International Fertilizer Association (since 2025). He joined Nutrien in 2019, led its Potash unit as EVP/CEO, and became CEO in 2022 after an interim term. Former President & CEO of Canpotex and senior commercial leader at Cameco, he brings 25+ years in ag/mining across 60+ countries
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Learn why rendered ingredients remain the cornerstone of feed, biofuels, and diverse industrial applications!
Mastering Rendering: The Buyer’s Guide offers a complete reference to rendered proteins, fats, and other co-products, integrating technical, commercial, and regulatory perspectives.