Marcos Bensoussan is a chemical engineer with more than 45 years of experience in water quality and water safety. He leads NSF’s commercial water program for Latin America and is a HACCP instructor. He played a critical role in developing NSF’s building water health program, including leading staff training and launching services in water safety plan development and Legionella risk assessment.

Prior to joining NSF in 2016, Mr. Bensoussan founded SETRI, a consulting company that operated in Brazil and Latin America. During SETRI’s early years, he helped develop water safety plans for buildings and industries as well as Legionella risk assessments.

Mr. Bensoussan plays an active role in promoting the importance of water safety strategies in Brazil and globally. He developed more than 50 new products and solutions for industrial and drinking water treatment and more than 20 water system and indoor air quality services. He holds a patent for a cleaning and disinfection methodology for HVAC systems, and has authored two books: Legionella in the View of Specialists and Water Safety Plans in the View of Specialists.

Mr. Bensoussan is a member of the Brazilian National Standards Organization committee that developed the standard Building water systems – Legionellosis prevention – General principles and guidance. He is also a member of the management board of the International Water Association’s Specialist Group on Water Safety Planning and a collaborator on Legionella and water quality standards for the European Hygienic Engineering and Design Group.

His areas of expertise include:

  • Water safety plans
  • Water reuse
  • Water treatment (drinking and industrial)
  • Legionella risk assessment