Brand Champions

Mike Walker, Lead Administrator

Residing in Canada and a Chartered Professional Accountant, Mike is an avid watch enthusiast, fountain pen collector, voracious reader and classic rock fan who is active in various watch and fountain pen communities. A supporter and customer of Gruppo Gamma since 2018, Mike is the Lead Administrator of the Owners Club and plays a pivotal role in nurturing this cohesive user community.
Catch up with Mike and other watch enthusiasts at the Gruppo Gamma Owners Club Facebook group.

Watch photographer

Oliver Neumann, Honorary Photographer

Oliver is a professional photographer residing in Germany. Besides spending his time with his family and his dog, Oliver has many hobbies including collecting watches.

As a supporter and customer of our brand since 2023, Oliver is Gruppo Gamma's Hononary Photographer, with many of his works used in our promotional materials.

Visit for more of his portfilio.

Brian Tan, Technical Advisor

Born and residing in Singapore, Brian joined his family in the business of watch retail and services in his early 20s.  As a professional watchmaker, he has handled thousands of watches from various brands including Rolex, Omega and Tag Heuer. 

Brian is our brand's Technical Advisor, playing an important role in ensuring the reliability and serviceability of our mechanical movements and watch parts.