10 Littelfuse engineering leaders
CTO & VP Engineering Electronic Business Unit, Sr. Director Technology Development and Director, Engineering are among the roles held by these ten Littelfuse engineering leaders. A reader can learn how engineering leaders work at Littelfuse from people who have held the role.
Professionals to explore
Dong Yu, Ph.D., PMP
LinkedInExperience: Engineering Director · Littelfuse
Dong Yu has been Engineering Director at Littelfuse since August 2012, based in the San Francisco Bay Area, and the profile places the role in Fremont, California. Dong Yu was Engineering Manager at TE Connectivity from 2004 to 2012, Sr. Engineer at Nanosolar from 2002 to 2004 and Staff Engineer at Raychem, now TE Connectivity from 1999 to 2001.
Gerhard Dörflein
LinkedInExperience: Director Global Product Engineering · Littelfuse
Gerhard Dörflein has been Director Global Product Engineering at Littelfuse since October 2021, based in the Greater Hamburg Area, and the profile describes a background as a physicist. Gerhard Dörflein was Research & Development Manager at NXP Semiconductors GmbH from 2011 to 2021 and Manager Project Office at NXP Semiconductors from 2008 to 2011.
Jens Klinghagen
LinkedInExperience: Director, global R&D Discrete & IC Packaging · Littelfuse
Jens Klinghagen has been Director, global R&D Discrete & IC Packaging at Littelfuse since September 2025, based in Bad Schönborn, Baden-Württemberg, Germany, and was Team Leader Regional Project Office Europe there from 2023 to 2025. Jens Klinghagen was Key Account Manager Automotive at Semikron Danfoss from 2018 to 2022.
Jifeng Zhou
LinkedInExperience: Director, Bipolar Chip R&D · Littelfuse
Jifeng Zhou has been Director, Bipolar Chip R&D at Littelfuse since August 2023, based in Jiangsu, China, and also lists Senior R&D Manager there from 2019 to 2025. Jifeng Zhou was Senior Engineering Manager at Littelfuse from 2014 to 2019, Silicon Device Engineering & Technical Center Manager from 2012 to 2014 and Wuxi Technical Center Manager from 2006 to 2012.
Joyce Chen
LinkedInExperience: Director, Engineering · Littelfuse
Joyce Chen has been Director, Engineering at Littelfuse since September 2021, based in Menlo Park, California, and the profile headline places the role in EBU. Joyce Chen was Sr. Material Development Manager at Littelfuse from 2016 to 2021 and Sr. Material Development Manager at TE Connectivity from 2015 to 2016.
Michael Schlaak
LinkedInExperience: Sr. Director, Global Laboratories & Technology Development · Littelfuse
Michael Schlaak has been Sr. Director, Global Laboratories & Technology Development at Littelfuse since January 2026, and the profile says the role leads the global laboratory organization. Michael Schlaak was Director, Global R&D, Automotive Protection there from 2021 to 2026, Senior Manager of Global Validation & Testing from 2019 to 2021 and Global Design Engineering Manager at Littelfuse from 2014 to 2019.
Stefan Steinhoff
LinkedInExperience: Sr. Director Technology Development · Littelfuse
Stefan Steinhoff has been Sr. Director Technology Development at Littelfuse since July 2023, based in Bath, England, and the profile lists wafer fab strategy among the role's areas. Stefan Steinhoff was Director of Semiconductor R&D at Littelfuse from 2019 to 2023 and Chief Technical Officer at IXYS UK Westcode - now part of Littelfuse from 2009 to 2019.
Steven Prochazka
LinkedInExperience: Director, Engineering · Littelfuse
Steven Prochazka has been Director, Engineering at Littelfuse since December 2021, based in Spearfish, South Dakota, and the profile headline names electronics and embedded systems product development and industrial power and protection. Steven Prochazka was Director, Electrical and Mechanical Engineering at Spectra Logic from 2018 to 2021 and Firmware and Systems Engineering Manager there from 2017 to 2018.
Werner Johler
LinkedInExperience: CTO & VP Engineering Electronic Business Unit · Littelfuse
Werner Johler has been CTO & VP Engineering Electronic Business Unit at Littelfuse since May 2019 and also lists VP Engineering Electronic Business Unit there since April 2016, based in Zurich, Switzerland. Werner Johler was CTO, Global Director Engineering Circuit Protection at TE Connectivity from 2014 to 2016 and CTO, Global Director Engineering RP there from 2011 to 2014.
William Gonzalez
LinkedInExperience: Director, Engineering, Global ICS · Littelfuse
William Gonzalez has been Director, Engineering, Global ICS at Littelfuse since June 2025, and the profile headline spells this out as Global Industrial Controls and Sensors. William Gonzalez was Senior Manager, Engineering there from 2022 to 2025, Sr. R&D Engineering Manager from 2019 to 2022 and Engineering and Technical Services Manager at Littelfuse from 2012 to 2019.
Choose the right perspective
Match the person's area, such as chip R&D, packaging, product engineering or test labs, to the technical decision you face. Check when each person started the current role to judge how recent their view is.
Questions to take into the conversation
- 01What did you change first when you took on your current engineering role, and why?
- 02How do you decide which product or process problems need your direct attention?
- 03What has your own work taught you about moving a new design from the lab into production?
Reaching Littelfuse engineering leaders
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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