Dielectric expertise, trusted worldwide a million times over

With over a million installations across six continents and validated in over 250 tests, Envirotemp™ FR3™ natural ester fluid is trusted by our customers to deliver cost-effective solutions that help improve transformer performance reliably and safely.

Our global team of dielectric experts is active in the standards community across the world and has extensive knowledge of not only dielectric fluid properties but also fluid performance in application–they have transformer design experience, too. This means adopting FR3 natural ester technology comes with our comprehensive dielectric fluids support from initial planning stages through best practices implementation and beyond. Read more about the extensive expertise the Cargill FR3 Dielectric Fluids team brings to the table by viewing the individual biographies below. Contact our global offices for more information.

Business Development

  • David S. Roesser, Ph.D.

    Global General Manager, Dielectric Fluids

  • Sabine Bowers

    Business Development Manager - EMEIA

  • Marcelo Neves Martins

    Business Development Manager - South America

  • Rajib Nayan Chaudhary

    Category Leader, Dielectric Fluids, India

  • Helen Too

    Regional Commercial Director, Southeast Asia & Pacific

  • David Scaquetti

    OEM Business Development Manager, EMEA Region

  • Alexandre Coelho

    South America Business Development Manager, South Cone


  • Steve Korte

    North America Commercial Manager

  • Jeff Valmus

    North America Utility Sales Manager, West Region

  • Lucas B. de Oliveira

    South America Commercial Manager

  • Mark-Andre Thelen

    Sales Manager, Utilities, D-A-CH Region

  • Nagesh Halale

    Regional Sales Manager, Bangalore

  • Saikat Koley

    Sales Manager, Cargill India

  • Brian McBride

    Regional Manager – Central U.S.

  • Efe Coskuner

    Category Sales Manager - Turkey


  • Kevin Rapp

    Senior Chemist

  • C. Patrick McShane, P.E.

    Global Technology Consultant

  • Alan Sbravati

    Dielectric Fluids Specialist

  • Putu Raditya

    Technical Service Representative

  • Rajaram Shinde

    Dielectric Fluids Specialist

  • Naveen Jain

    Technical Sales Manager

  • Songjiang Li

    Dielectric Fluids Specialist

  • Revin Wang

    Technical Sales Specialist

  • Madhuree Hage

    Technical Associate, Dielectric Fluids, India

  • Ahmad Abraz

    Engineer, Dielectric Fluids, India

  • Alexandre Machado

    Dielectric Fluids Specialist