Ralf Siemieniec in

Ralf Siemieniec

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Senior Principal Power Device Development at Infineon Technologies
📍 Austria

Ralf Siemieniec is a Senior Principal Engineer at Infineon Technologies, focusing on power device development. Educated at Technische Universität Ilmenau, he specializes in the simulation and creation of technology concepts for both silicon and advanced Silicon Carbide (SiC) power semiconductor devices.

He has an interest in electronics and technology, evidenced by his contributions of photos of homebrew radio receivers and vintage vacuum tubes to stock photography sites.

As a prolific inventor, he is listed on numerous patents for semiconductor devices, contributing directly to technological advancements in trench MOSFETs and SiC device structures.

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Experience
30 Years
Current Role
Senior Principal Power Device Development
Job Level
Senior
Location
Austria
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Priorities

Topics Ralf cares about

Power Semiconductors
He is a recognized expert in the field, frequently publishing technical papers and presenting at major industry conferences like PCIM and APEC.
Silicon Carbide (SiC)
He is a key developer of Infineon's CoolSiC MOSFET technology, authoring articles on new voltage classes and their application in AI and server power supplies.
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Career

Work history

4-2021
Senior Principal Power Device Development
Infineon Technologies
1-2014 - 3-2021
Principal Power Device Development
Infineon Technologies
1-2010 - 12-2013
Senior Staff Engineer Power Device Development
Infineon Technologies
1-2008 - 12-2009
Staff Engineer Power Device Simulation
Infineon Technologies
2-2007 - 12-2007
Senior Engineer Power Device Development
Infineon Technologies
In the press

Media appearances

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Education
1995 - 2003
Dr.-Ing.
Technische Universität Ilmenau
1989 - 1995
Dipl.-Ing.
Technische Universität Ilmenau
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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