The JDMIS is committed to providing the best possible education and experience to its students! It gives me great pleasure to make the following declaration with regard to the school's core policies...

The JDMIS is open to many forms of official and unofficial communication from its students, all of which are outlined below...

The JDMIS holds itelf to a high standard both in its provision of superior training, but also in the quality of its service. Below are the service standard that the JDMIS and its staff are committed to maintaining...

Corporate Information

Jewellery Design and Management International School Pte. Ltd. is a Singapore-registered company, UEN 200723821C. It is and a joint venture between Tanja Sadow and the Management Development Institute of Singapore (MDIS Corporation Pte. Ltd.)

JDMIS also owns ‘Creative Jewellery Studio’, a business used to provide the JDMIS student cooperative retail store a formal business structure in which to transact its sales. Creative Jewellery Studio is a registered Precious Stones and Precious Metals dealer with the Ministry of Law.

JDMIS is a registered Private Educational institution under the Singapore Committee for Private Education and an Approved Training Organization under Workforce Singapore.

Management Team

The JDMIS Board of Directors consists of executive board members with a broad range of operational expertise in the fields of education and jewellery. Two distinguished non-executive board members sit on the JDMIS board from its joint-venture partner MDIS.

JDMIS Board of directors:

Tanja Sadow
Mrs. Tanja
M. Sadow

Mr. Winston
Gan Kuat


Roger Tham
Kong Khuan


All students attending the JDMIS should receive the same quality and value of education. This statement is important to us and we maintain pricing and discount policies to ensure our staff and agents to not undermine this goal...