Power Electronics Online Conference: From Design to Validation

Gabriel Rojas is a Product Manager at Rohde & Schwarz, where he has been working for the past five years on test and measurement solutions for power electronics. His background includes prior experience as an application engineer at Rohde & Schwarz, as well as academic roles focused on the modeling of power electronics devices. Gabriel has published numerous papers on this topic in international journals. He holds a PhD in Electrical Engineering from the Universitat Politècnica de Catalunya.

Patrick is an electrical engineer with a diploma and master’s degree, counting on long-year industry experience in efficient power electronics design and power conversion technologies for solar inverters. Transitioning into technical sales and application initially for Asia-Pacific in particular, he has combined deep engineering knowledge with customer-facing experience across diverse market respectively application segments and cultures. Today he leads the global business development and ICR market & application-segment management for power-electronics testing, continuing to advance testing solutions and application support worldwide.

Stergios Dimakis studied Electrical and Computer Engineering at the Aristotle University of Thessaloniki in Greece. After completing his studies, he worked on industrial automation projects, focusing on electrical installations and commissioning. He later moved into test and measurement, covering both technical sales and application support. At ZES ZIMMER Electronic Systems, he spent seven years as Regional Sales Manager for South-East Europe, working with customers and distributors across Italy, Greece, Turkey, and Israel. Since July 2024, he has been a Key Account Manager, focusing on customer collaboration and long-term account development.

Tobias Keller graduated in 2004, from University of applied science Aargau, the Electrical Engineering Faculty, with a degree in power electronics, thermodynamics and electrical machines. At the end of 2004, he joined ABB Excitation systems and Synchronizing equipment business (Turgi, Switzerland) and held various engineering position until 2008. He holds the first patent on MEGATROL, ABB’s smart power package solution for reliable starts of gas turbines or any synchronous machine and another patent quenching arc faults in excitation systems. In 2008 he became the Head of global Technology and Support for ABB’s Excitation systems and Synchronizing equipment business. Between 2009 and 2015 he was the Vice President global Products and Marketing ABB Excitation systems and Synchronizing equipment and High Power Rectifier business. Starting from 2016 until 2019 he held the Vice President position for Vehicle Integration Engineering business in ABB railway traction. Since April 2019, he is the Vice President of global Product Management in ABB Semiconductors (Lenzburg, Switzerland) now HITACHI ENERGY Semiconductors and a strong supporter of SiC used in power electronics based on his application know how from traction and industrial applications. Tobias is responsible for the global Product Management and Marketing of any Power Semiconductor from Hitachi Energy as well as responsible for BIMOS power semiconductors R&D (Chips and packages, Si and SiC). Tobias Keller is a senior member of IEEE (20127) and co-author of various papers. HITACHI ENERGY Semiconductors is one of the forerunners of SiC in power electronics.

Ian Jannasch received his bachelor's degrees in electrical engineering and IT from the University of Johannesburg. After which he moved to Germany and completed his Masters of science in computational engineering at the Technical University of Braunschweig, Germany.

Since 2020 he has been working at PE-Systems deeply involved in the hardware development of automatic test and measurement systems. Since then he has found his calling in spreading the good news about double pulse testing to the world by taking up his role as application engineer at PE-Systems in 2024.

Andreas Nadler has many years of experience as a hardware engineer in the field of switched-mode power supplies and analogue circuit technology. Since 2015, Mr Nadler has been working as a field application engineer for Würth Elektronik eiSos GmbH in the business unit for passive and active components. There he specialises in the design of EMC-compliant power supplies and interfaces, as well as the entire interference suppression of electronic assemblies. He is the co-author of 3 books as well as various application notes on EMC, simulation, WBG and power supply.

Hauke Lutzen studied electrical engineering at the University of Bremen, Germany, and received the M. Sc. degree in 2017. Afterwards, he was a research assistant at the institute for el. drives, power electronics and devices (IALB) of the same university, working on fast transient current measurements in power electronics, in particular, the development of the M-Shunt. After he received the Dr.-Ing. degree in 2025, Hauke Lutzen has been leading the spin-off for commercialisation of the M-Shunt.

More Informations on www.m-shunt.com

Veit Hellwig holds a B.Eng and M.Sc in Electrical Engineering from the University of Applied Sciences Munich. He joined Infineon Technologies in 2023, beginning as a student while pursuing his bachelor thesis on high-voltage motor inverters utilizing GaN technology. Following this, he continued at Infineon as a working student, building on the foundation of his thesis. In 2025, he completed his master thesis, focusing on the evaluation of wide bandgap semiconductors for induction cooking applications. Currently, Veit is a full-time System Application Engineer at Infineon Technologies, where he concentrates on a variety of power electronics applications.

Arturo Mediano is the founder of The HF-Magic Lab®, a specialized laboratory for design, diagnostic, troubleshooting, and training for EMI/EMC and Signal Integrity for RF, at I3A (University of Zaragoza). He received his M.Sc. (1990) and his Ph. D. (1997) in Electrical Engineering from the University of Zaragoza (Spain), where he has held a teaching professorship in EMI/EMC/RF/SI since 1992. For more than 30 years Arturo has been involved in R&D projects with many companies in the EMI/EMC, Signal Integrity and RF fields for communications, industry, medical, and scientific applications. He regularly shares his knowledge and expertise with students and engineers in teaching courses and seminars.