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Tanja Sadow, Dean and Founder of JDMIS

Our Story

Founded in 2007 by Gem & Jewellery Expert Tanja Sadow,  The Jewellery Design and Management International School in Singapore has provided education in the jewellery arts to local and foreign students in the region.

JDMIS has since grown into an established regional training brand, delivering exceptional jewellery education to individuals from over 56 different countries and training the best local and international brands.

Let The Numbers Speak

JDMIS offers internationally recognized professional certifications, diplomas and advanced diplomas in jewellery design, fabrication and business

Years of Operation
Certified graduates
Certificate Programmes

JDMIS Campus is located at the National Design Centre, Singapore


The front entrance of JDMIS and the Creative Jewellery Studio

Gem Vault

Gemmology and Jewellery Design training room and makerspace

Amethyst room

Digital Jewellery Design and makerspace

Creative Jewellery Studio

An incubator for JDMIS’ aspiring jewellery graduates

The Emerald room

Metalsmithing training room and makerspace

Sapphire room

Fashion Jewellery and Metal Clay training room and makerspace

Meet Our Lead Instructors

Tanja Sadow

An award-winning jewellery designer with 30 years of experience. As the Dean, Tanja oversees most of JDMIS courses

Alex Zupancich

Instructor for Business & Digital Design with 15 years of experience in jewellery retails & sales psychology

What Our Students Have to Say

The instructors at JDMIS are very professional and provide good quality materials.
Yvonne M.
JDMIS is a good school and Tanja Sadow is so accommodating and it's worth it.
The school takes each skill, technique, and student very seriously.
The programs at JDMIS are run professionally. The classes are fun & the lessons learned are valuable.
Margaret N.
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