She joined the OTC derivatives markets solution provider in 2008 as CEO of TriOptima in Europe, the Middle East and Africa.
As COO, Dyrberg is responsible for infrastructure functions, including legal, marketing, industry relations, human resources, administration, finance and accounting.
She previously worked at Dresdner Kleinwort.
TriOptima’s parent, NEX Group, declined to comment on her departure or a possible replacement.
Organisation CEO Stuart Connolly and Yutaka Imanishi, CEO of the Asia Pacific, remain in their roles at TriOptima.