The Team

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Dr. Finn Zedler

Founder and Managing Director

20 years track record in sales and market development in Asia with 1st hand industry knowledge, market insight and cultural experience from management positions held in Malaysia, China, South Korea and India for former employers artus GmbH and Qiagen.

Since 2012 in his present role as the Founder and Managing Director of ADT Biotech responsible for strategy, market development and deliverables to our partners.

A graduate of the University of Hamburg, Germany, with a PhD from the Bernhard Nocht Institute for Tropical Medicine, Department of Virology.

CJ Tan

Head Application Support and Training

Expert in molecular amplification technologies with over 12 years track record in application support and training. Positions held in artus and Qiagen. Close support of sales and marketing leads to achieve customer confidence and satisfaction. Most senior adviser and backbone to all things technical in the company; from R&D, over Production, to Regulatory Affairs, CJ has your back.

MSc. in Microbiology from the University of Malaya

Noelle Chen

Head Production and Quality Control

Over 10 years of R&D experience in cellular and molecular biology, with 6 years track record in IVD kit development, validation and documentation in ADT. Implementation and leadership of manufacturing operations.

MSc. in Medical Parasitology from London School of Hygiene & Tropical Medicine

Dr. Norahayu Othman

Head Research and Development

Strong scientific acumen in molecular oncology with positions in University Malaya and UKM Medical Molecular Biology Institute and more recent experience and leadership in IVD kit development and validation.

PhD in Molecular Oncology, University of Malaya

Kartiyaini Tiyagarajan

Head Regulatory Affairs and Quality Management

Over 6 years experience in Regulatory Affairs for Pharmaceuticals and Medical Devices with expertise in product and process validation following GMP guidelines, ISO 9001, ISO 13485, IVDD and IVDR standards.

BSc. in Biotechnology from AIMST


David Chieng

Lead MDx Malaysia and South-East Asia

Over 12 years experience in various roles including application support, technical and territory sales functions, market development and distribution management in SEA. Positions held in artus, Qiagen and AITbiotech Singapore.

MSc. in Molecular Medicine from the University of Putra

Tan Keng Yean

MDx Sales Malaysia

10 years experience in medical devices and IVD’s, working for Qiagen, J&J and Roche Diagnostics. Before joining ADT, Yean specialized in immunoassays for cardiac markers and developed the market by organizing workshops and as a speaker in CME’s.

BSc. in Biotechnology from Universiti Tunku Abdul Rahman

Norsamaniyatun Mohd Yusoff

Customer Care, Operations

3 years experience in customer care and operation. Nia started as a fresh graduate from University and serves as your primary contact in ADT when it comes to enquiries, orders and deliveries.

Bachelor of Business Admin from Universiti Teknologi Mara

Hoh Kah Yee

Head Operations and Finance

18 years experience as head of operations for Malaysian subsidiary of a multinational Life Science and diagnostics company, responsible for finance, HR & operations. Prior experience as external auditor in the financial and property development industries.

CIMA Professional Qualification

Debbie Liew

Logistics and Customer Care

12 years’ experience in supply chain management handling medical devices & diagnostic products for various multinational companies. Prior to that, working 7 years for FedEx inside sales and handling customs related processes.

Management Diploma

Nurhanydahanim Abdul Halim

Customer Care, Accounting

Prior to joining ADT in 2018, Hanyda had 3 years working experience in Universiti Sains Malaysia, Penang as an assistant research officer coordinating community and media events for green technology.

Bachelor of Economics from Universiti Kebangsaan Malaysia


Hemant K Sharma

Lead India

Veteran of the Indian Life Science industry, having served in both local and multinational organizations and various roles for over two decades across almost all segments of the market. Experienced in direct sales and channel management.

MSc. in Agriculture Biotechnology from IGKVV, Raipur

Amardeep Singh

Operations and Finance India

Operational backbone of ADT India with 16 years experience in Operations and solid track record in Import & Export, customs clearance, logistics, supply chain, warehouse and cash flow management.

Bachelor’s degree from Delhi University

Satrajit Kanjilal

MDx Sales India

20 years track record in pathology and laboratory testing with experience in Marketing, Technical Support, Training and Sales with in-depth knowledge of technologies, workflows, healthcare metrics and industry trends.

MSc. in Biotechnology from Jawaharial Nehru University, Delhi

Rupali Batra

Customer Care India

With 12 years track record in Front Office and Customer Care, experienced in engaging with customers, handling enquiries, tender participation, sales admin and data maintenance as well as e-commerce data management.

Bachelor of Arts from Delhi University


Jung Man You (Elizabeth)

Lead Korea

15 years of experience serving the MDx industry, with strong acumen in technical sales, market development and managing diverse customer segments, sales and distribution channels in a highly competitive market.

MSc. in Biotechnology from University Kyunghee

Gyu-Ju Kang

MDx Sales Korea

Sales expert of Korean MDx and Life Science market with 18 years experience and profound understanding of market requirements and customer needs, having served in both, local and multinational companies.

BSc. from Sunchon National University


Shirley Tan

Lead Singapore

Shirley has over 20 years of commercial experience in life sciences & molecular diagnostics in ASIA. Prior to SDT Molecular, Shirley was the Senior Business Director and Quality Management Representative at AITbiotech Singapore, where she helped to set-up ISO 13485 lab for the manufacturing of diagnostic assays in the area of infectious diseases. Other prior positions held are Qiagen, Beckman Coulter and MP Biomedical.

MSc. in Applied Science from Nanyang Technological University Singapore

Karen Chua

MDx Sales Singapore

Karen is the Product Manager and she oversees the management of product sales and customer relationships in SDT Molecular. Karen has over 5 years of research laboratory experience and 3 years of commercial experience in the molecular diagnostics industry, supporting sales, application and marketing functions. Prior positions held in Hudson Institute of Medical Research, A*STAR and AITbiotech Singapore.

MSc. in Business Administration from Northumbria University