Presented by Sonneborn
November 12, 2025 at 10:00 a.m. EST
Discover how Sonneborn, an HF Sinclair brand, is advancing its commitment to sustainability with its expanded SonneNatural™ product-brand representing innovative products based on naturally derived ingredients. We welcome SonneNatural™ Fluidity, SonneNatural™ Affinity and SonneNatural™ Synergy product lines.
Join our webinar to learn how SonneNatural™ Fluidity delivers 100% bio-based, readily biodegradable Renewable White Alkanes that provide an excellent replacement for cyclic siloxanes (D4, D5, D6) and low-viscosity mineral and vegetable oils, while offering exceptional purity, performance and significant product carbon footprint reduction.*
Explore how SonneNatural™ Affinity offers trusted, reimagined plant-based waxy emollients that serve as natural alternatives to petrolatum and wax, and how SonneNatural™ Synergy bridges the gap between sustainability, cost, and compatibility — enabling increased renewable content with no compromise on performance.
Renewable. Versatile. No compromise on performance. Register for our Webinar on November 12, 2025, at 10 a.m. EST to learn more.
* SonneNatural™ represents Sonneborn's commitment to sustainability, providing innovative products based on naturally derived ingredients. Find out more at https://www.sonneborn.com/en-us/sonnenatural-sustainability-claims
Presenters
Vittoria Lopopolo
Global Director of Technology
HF Sinclair
Vittoria Lopopolo is the Global Director of Technology in HF Sinclair’s Lubricants & Specialties business, where she provides leadership to a team of individuals responsible for the formulation designs, product development, testing and technical support of various Lubricants & Specialty products under various brands; including both Regulatory and Quality Control functions.
She started as a co-op student in 1997 and 1999 and officially joined the company in 2002 as a Product Specialist responsible for heavy-duty diesel engine oils. Vittoria transitioned to support numerous other specialty, industrial and automotive fluid and grease product portfolios. Vittoria has over 25 years of experience in the field of lubricants and specialties, including time spent in basestock refinery operations. Most recently, Vittoria has been leading the Renewable White Alkanes project with her colleagues working to support HF Sinclair’s Sonneborn brand.
Vittoria graduated in June 2000 with a B.Eng. in Chemical Engineering from Ryerson Polytechnic University and is a licensed Professional Engineer
Mark de Koff
Manager, Business Segments, Consumer Products – Lubricants & Specialties
HF Sinclair
Mark W. de Koff serves as a Global Business Segments Manager for HF Sinclair’s Sonneborn brand products, as well as select Petro-Canada Lubricants and HollyFrontier Specialty Product brand offerings. His expertise spans a wide range of markets including Personal Care, Pharmaceuticals, Waxes, General Industrial, Animal Health, and Plastics & Polymers, making him a well-rounded leader across multiple industries.
Mark has built a distinguished career, previously leading Supply Chain Operations and Product Line Management at HF Sinclair’s Amsterdam facility. He is currently based in Amsterdam, The Netherlands, and heads a cross-functional team operating from Canada and the United States. He and his team have played a key role in the expansion of Sonneborn’s sustainable product line, SonneNatural, while also defining strategies that drive growth, innovation.
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