Executive Secretary meets Swedish Foreign Minister
They also discussed the role the nearly universally accepted Comprehensive Nuclear-Test-Ban Treaty (CTBT) can play in bridging gaps at the upcoming Nuclear Non-Proliferation Review Conference in New York, United States. See also Zerbo's keynote address (PDF) at the 1 April workshop by the Stockholm International Peace Research Institute (SIPRI) in Vienna.
Disarmament superpower Sweden is a driving force behind the test ban. The Swedish Unattended Noble Gas Analyzer, SAUNA, is one of the key technologies used to detect traces of radioactive noble gases.

From left: Anders Ringbom, Deputy Research Director at the Swedish Defence Research Agency (FOI), Sabine Bauer, Special Assistant to the ES, Executive Secretary Lassina Zerbo, Anna-Lena Österborg, FOI Acting Director General and Nils Olsson, Head of Department at FOI
17 Apr 2015