We have 13 full-time staff, and two consultants/contractors in 3 teams during Covid-19 (Office/Remote/Field)


  • Aoife O’Murchu – sales/support coordinator, Diffraction sales
  • Donnchadha Quilty – sales manager, sales engineer XRF, XRD
  • Gerry Power sales engineer,  commercial negotiations, Netzsch, Biolin
    Raquel da Silva, Office service coordinator, parts and accessories
  • Brian Rowley, engineer, labs, instrument testing


  • Anne Dempsey responsible for administration, HR, Financials
  • Iwona Pompka – Service coordinator, support contracts manager
  • Danielle Dempsey – accounts
  • Sean Quilty – sales engineer, technical support, marketing, Director
  • John Ryan – IT consultant, systems engineering consultant.
  • Ciaran Maguire, sales engineer, Biotech products


  • Arthur O’Kelly – senior engineer, validation, novel installations
  • Mark Gibson, Engineer, X-ray Products
  • Neil O’Grady – sales engineer, Diffraction, Data
    John Sloane – sales engineer for Phys/Props, technical support and chemical safety and ethics
  • John Horgan, Service Engineer (contractor), Diffraction

Contact details:

  • Service parts ordering contact Raquel Da Silva .
  • Contract enquiries contact Iwona Pompka
  • Sales orders processing contact Anne Dempsey
  • Technical support Sean Quilty
  • Accounts contact Danielle Dempsey
  • Support enquiries contact Aoife O’Murchu

Anne Dempsey - PSL staff Gerry Power - PSL staffArthur O'Kelly - PSL staffDanielle Dempsey - PSL staffIwona Pompka - PSL staffJohn Sloane -cNeil O'GradyAoife Ó Murchú

Donnchadha QuiltySean Quilty - director