Our Team
Finance & Human Resources
We look after the financial administration and support our employees in all staff-related matters.

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:
- 18.04.2025 Good Friday
- 21.04.2025 Easter Monday
- 05.05.2025 Early May bank holiday
- 26.05.2025 Spring bank holiday
- 25.08.2025 Summer bank holiday
- 25.12.2025 Christmas Day
- 26.12.2025 Boxing Day