Management team

Our members of our management team are also here to assist you.
The members of the Management Team of InsingerGilissen are Frank Koster, Marc Baltus, Marjolijn Breeuwer, Gerwin Wijnia, Paul Balk and Merlijn de Gruijter. InsingerGilissen is a branch of Quintet Private Bank (Europe) S.A.
Frank Koster

Frank Koster

Chief Executive Officer
Frank Koster

Frank Koster

Email: frank.koster@insingergilissen.nl

Marc Baltus

Marc Baltus

Chief Operating Officer
Marjolijn Breeuwer

Marjolijn Breeuwer

head of Investment Management
Marjolijn Breeuwer

Marjolijn Breeuwer

Phone: +31 20 521 5444

Email: marjolijn.breeuwer@insingergilissen.nl

Gerwin Wijnia

Gerwin Wijnia

Chief Investment Officer
Paul Balk

Paul Balk

director Private Banking
Merlijn de Gruijter

Merlijn de Gruijter

directeur InsingerGilissen Services
Merlijn de Gruijter

Merlijn de Gruijter

Phone: +31 20 527 6144

Email: merlijn.degruijter@insingergilissen.nl

Meet the members of Quintet’s Authorized Management Committee.

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