OLSEN INFRASTRUCTURE - Key Persons


Barbara Krotofil

Job Titles:
  • Sewer and Water Designer
With extensive Sydney Water experience, Barbara looks after both minor and major works. In addition, she is qualified and skilled in reviewing and approving building plans.

Katrina Williams

Job Titles:
  • Approvals Manager
With a comprehensive understanding of Sydney Water requirements, Katrina is able to review, advise on and approve building plans while ensuring all relevant guidelines are adhered to.

Kylie Gaul

Job Titles:
  • Administration Assistant
Many of our valued clients speak to Kylie as their first point of contact. Her role covers a variety of administration tasks as well as booking in preliminary inspections.

Marion Lemetayer

Job Titles:
  • Sewer & Water Designer, Civil Engineer
Marion is an experienced Hydraulic and Civil Engineer with experience in urban developments, public sewer and drainage networks, sanitary sewage systems and trunk sewers. As an experienced and reliable project manager, Marion designs, coordinates and oversees all facets of each job.

Roya Ahmadi

Job Titles:
  • Hydraulic Designer
Roya is a Hydraulic Designer with experience in building hydraulics and water distribution systems for pipes, reservoirs, tanks and pumps.

Tania Briton

Job Titles:
  • Office Manager
As Olsen Infrastructure's office manager, Tania is responsible for many facets of the day to day running of the office.

Torsten Olsen

Job Titles:
  • Hydraulic Engineer
  • Director and Founder, Hydraulic Engineer and Water Servicing Coordinator
As a former plumber, Torsten has a thorough understanding of all facets of the hydraulic design and installation process. Over the past 15 years he has specialised in the delivery of infrastructure projects within the Sydney Water and Hunter Water area of operations. Torsten's extensive professional history encompasses the design, documentation and contract administration of water supply, sewer, trade waste, stormwater, gas and fire services.