Tag Archives: Thomas Wellauer

Leadership Change at SIX with André Helfenstein to Assume Chairmanship After Thomas Wellauer

(IN BRIEF) SIX has named André Helfenstein as its next Chairman, taking over from Thomas Wellauer on 1 January 2026. Wellauer, who has served as Chairman since 2020, will continue as a Board member until the 2026 Annual General Meeting … Read the full press release

SIX Group Chairman Thomas Wellauer to Conclude Term at AGM 2026

(IN BRIEF) Thomas Wellauer, Chairman of the Board of Directors at SIX Group, has announced that he will not stand for re-election at the AGM in 2026. Under his leadership since 2020, SIX has seen significant strategic and operational advancements, … Read the full press release

SIX Names Bjørn Sibbern as CEO, Succeeding Jos Dijsselhof in 2025

(IN BRIEF) SIX has appointed Bjørn Sibbern as its new CEO, effective January 1, 2025, succeeding Jos Dijsselhof, who is stepping down after seven years to pursue a new opportunity in the Middle East. Sibbern, currently Global Head Exchanges at … Read the full press release