Team

About us

Our team members

Pieter-Jan Louwerse

Manager of valuation and auctioning

Daniella Maslow

Valuer of silver utilitarian objects, art and antiques

Bram Bouwens

Valuer of porcelain and timepieces

Johan de Ruiter

Managing director

Jaap de Ruiter

Founder

David Megchelsen

Valuer of gemstones

Leendert-Jan de Ruiter

Swarovski advisor

Sjaco de Ruiter

Commercial director and coins, jewellery and diamonds advisor

Jaco Groeneveld

Banknotes and coins advisor

Leon Steen Redeker

Watches advisor

Arjan Herweijer

Jewellery advisor

Leon de Ruiter

Director and diamonds, jewellery and watches advisor

Diana Michelsen-Visser

Sales advisor

Maurice Kleiberg