Dr. Marnix Tack photo

Dr. Marnix Tack

CTO & VP Business Development


Dr. Tack got a MSc degree in Electronic Engineering in 1984 from the Univ of Gent (Belgium) and a PhD degree in Microelectronics in 1990 from the Univ of Leuven & imec (Belgium). He got additional degrees in international business management and innovation leadership from the Vlerick Business School (Belgium), INSEAD (France), MIT (US) and IMD (Swiss). He joined MIETEC, a semiconductor company in Belgium in 1990, that became Alcatel Microelectronics, and was acquired by AMI Semiconductor in 2002 and ON Semiconductor in 2008.

In Feb 2022 he joined BelGaN that acquired part of onsemi in Belgium, as CTO and VP Business Development.

Throughout the past 30+ years he was leading global professional teams in various fields of semiconductor R&D and Innovation, including Si CMOS & BCD, power MOSFETs and GaN. He also took the lead in setting up and driving a corporate innovation business process and global Open Innovation partnerships in the field of novel semiconductor technologies and products

Company Profile


Be a leading automotive qualified open foundry in the Wide Band Gap ecosystem.

Enabling our customers to develop and manufacture unique solutions for a sustainable electrified future.

Creating value through our employees’ enthusiasm, talents and commitment.

BelGaN, as a WBG foundry in Europe, enables and services a rapidly expanding GaN-ecosystem in Europe (‘GaN-Valley’) and beyond with innovative and high-quality WBG semiconductor technologies and a highly efficient value-add 6 and 8 inch manufacturing facility. BelGaN adds unique services such as customer-driven Technology-as-a-Service (customized processes), Manufacturing-as-a-Service, and Quality-as-a-Service to the traditional foundry business model whereas we cooperate with suppliers and customers to deliver automotive quality products to the market. BelGaN develops and bring-to-market a rich roadmap of GaN & SiC platforms, driven by our customers’ needs and our core strengths and vision. We partner with leading universities and RTO’s in an Open Innovation model to prepare our innovation roadmap and bring differentiating innovations to our customers.

Manufacturing Facility: Wafer fab with over 4500 m2 of clean room space, located on a 44.000 m2campus.

Fab: 6 & 8 inch (planned).

Production: GaN Technologies & 0.35 µm to 2 µm Low, Medium, and High Voltage Analog CMOS and BCD Technologies.

Westerring 15
9700 Oudenaarde


+32 55 332211