Our team
Finance & Human Resources
We take care of the financial administration and support our employees in all matters related to personnel.

ZurichStefania WengerHead of Finance

ZurichEsther PollhammerHR Manager

ZurichMartina DübendorferFinance

ZurichSidar DurmazFinance

ZurichLelani EsterhuizenFinance

ZurichPing GaoFinance

ZurichBarbara HessFinance

ZurichFlorence HuegiFinance

ZurichSuheila KammermannFinance

LondonElizabeth WeedonHead of Finance & HR

LondonDiana AltamiranoFinance

LondonNatalia MalyukManagement Accountant

Aika Idinova
Sales & Operations
Monday to Friday
8 am – 5 pm (GMT)
Not available on the following public holidays:
- April 18, 2025 Good Friday
- April 21, 2025 Easter Monday
- May 05, 2025 Early May bank holiday
- May 26, 2025 Spring bank holiday
- August 25, 2025 Summer bank holiday
- December 25, 2025 Christmas Day
- December 26,2 025 Boxing Day