Leadership Team
![](https://www.silicon-line.com/wp-content/uploads/2024/07/Yifeng.png)
Yifeng Liann
CEO
Yifeng focuses on the strategy of Silicon Line, overseeing the company’s growth and innovation on a global scale. Prior to joining Silicon Line, Yifeng held senior positions at Everpro Technologies, an expert in optical communications, and at Socionext, a specialist in custom IC development, helping to launch over $300 million semiconductor businesses. He holds an MS in Electrical Engineering from Columbia University and an MBA (’07D) from INSEAD.
![](https://www.silicon-line.com/wp-content/uploads/2021/03/Silicon_line_Team_Martin_WBG.jpg)
Martin Groepl
Founder and CTO
![](https://www.silicon-line.com/wp-content/uploads/2021/09/Silicon_line_Team_Joerg_WBG.jpg)
Jörg Geppert
Senior Finance Manager
Jörg has more than 10 years of experience in Finance and Controlling acquired in different industries such as QuEST Global Engineering, Digital Charging Solutions, LEGO, and Keller Group. Jörg holds a diploma as Commercial Teacher gained at Ludwig-Maximilians-Universität in Munich.