Executive Management

David W. Heinzmann, President and Chief Executive Officer and a member of the Board of Directors since 2017. Mr. Heinzmann began his career at Littelfuse in 1985 as a manufacturing engineer and has held positions of increasing responsibility since that time, including Vice President, Global Operations, from 2007 to 2014, and Chief Operating Officer from 2014 until assuming his current position in 2017. He has served on the board of directors of Gentherm since August 2020. Mr. Heinzmann has previously served on the board of directors of Pulse Electronics Corporation from 2014 until its acquisition by Yageo Corporation in May 2018. Mr. Heinzmann holds a bachelor’s degree in mechanical engineering from Missouri University of Science and Technology.

Meenal A. Sethna, Executive Vice President and Chief Financial Officer. Ms. Sethna joined Littelfuse in 2015 as Senior Vice President of Finance until assuming her current position in 2016. Prior to joining Littelfuse, Ms. Sethna served from 2011 to 2015 as Vice President and Corporate Controller of Illinois Tool Works Inc., a diversified manufacturer of specialized industrial equipment, consumables, and related service businesses. She has served on the board of directors of SPX Corporation since October 2019 and is a member of its audit committee. Ms. Sethna is a Certified Public Accountant in Illinois.

Ryan K. Stafford, Executive Vice President, Mergers & Acquisitions, Chief Legal Officer and Corporate Secretary. Mr. Stafford joined Littelfuse as its first General Counsel and Human Resources Officer in 2007 and became Corporate Secretary in 2017. Prior to joining Littelfuse, Mr. Stafford served in a number of roles at Tyco International Ltd., including Vice President of China Operations and Vice President & General Counsel for its Engineered Products & Services Business Segment.

Maggie Chu, Senior Vice President and Chief Human Resources Officer. Ms. Chu joined Littelfuse in 2021 as Senior Vice President and Chief Human Resources Officer. Prior to joining Littelfuse, Ms. Chu served from 2018 to 2021 at Caterpillar, Inc. as Segment Human Resources Director for the Energy & Transportation segment and Corporate Services group. Prior to Caterpillar, Ms. Chu spent 15 years with General Electric in a number of global human resources leadership roles across several of GE’s industrial businesses. She has served on the board of directors of ITT Inc. since October 2024. 

Eyal Altman, Senior Vice President and Chief Digital and Information Technology Officer. Mr. Altman joined Littelfuse in 2014 responsible for M&A leadership and general management until assuming his current position in 2018. Prior to Littelfuse, Mr. Altman held various senior M&A, corporate strategy, and general management roles at General Motors, Delphi and Elkay Manufacturing.

Matthew J. Cole, Senior Vice President, eMobility and Corporate Strategy. Mr. Cole joined Littelfuse in 2015 as Senior Vice President and General Manager, Industrial Business Unit, he then moved into the role of Senior Vice President, Business Development and Strategy, and held that position until assuming his current position in January 2021. Prior to joining Littelfuse, Mr. Cole served from 2009 to 2015 as Vice President and General Manager of the Advanced Measurement Technology division of AMETEK, a global leader in electronic instruments and electromechanical devices.

Alexander Conrad, Senior Vice President and General Manager, Passenger Vehicle Business. Mr. Conrad joined Littelfuse in 2005 as Sales Manager, Germany & Eastern Europe. He then held various positions of increasing responsibility at Littelfuse including Sales Director EMEA; Global Director of Sales; Managing Director, Passenger Car Products from 2013 to 2014; and Vice President, Passenger Car Products, from 2015 until assuming his current position in July 2018.

Jeffrey Gorski, Senior Vice President and Chief Accounting Officer. Mr. Gorski joined Littelfuse in 2017 as Vice President and Chief Accounting Officer. Prior to joining Littelfuse, Mr. Gorski served as Senior Vice President, Chief Accounting Officer and Controller of R.R. Donnelley & Sons Company, where he held various roles of increasing responsibility. Prior to R.R Donnelley, he was a senior manager at KPMG LLP. Mr. Gorski is a Certified Public Accountant in Illinois.

Peter Kim, Senior Vice President and General Manager, Industrial Business. Mr. Kim joined Littelfuse in 2003 as Manager, Global Procurement. He then held various positions of increasing responsibility at Littelfuse including Director, Global Procurement; Director, Electronics Product Management; Vice President, Asia Sales based in Shanghai, China; Vice President, Global Sales; and Vice President and General Manager, Industrial Business until assuming his current position in 2022.

Chad Marak, Senior Vice President and General Manager, Semiconductor Products. Mr. Marak joined Littelfuse in 2007 as Senior Design Engineer. Mr. Marak held various positions of increasing responsibility at Littelfuse including Technical Marketing Manager; Director of Technical Marketing; Director of Semiconductor Business Development; Vice President, Product Marketing; and Vice President and General Manager, Semiconductor Products, prior to his current position in 2022. Prior to joining Littelfuse, Chad held engineering roles at California Micro Devices which was later acquired by ON Semiconductor.

Deepak Nayar, Senior Vice President and General Manager, Electronics Business. Mr. Nayar joined Littelfuse in 2005 as Business Line Director of the Electronics Business Unit. He then held various positions of increasing responsibility at Littelfuse including Vice President, Global Sales, Electronics Business Unit, and from 2011 until assuming his current position in February 2019, Senior Vice President, Electronics Business Unit.

David Ruppel, Senior Vice President and General Manager, Commercial Vehicle Products. Mr. Ruppel joined Littelfuse in 2024 as Senior Vice President and General Manager, Commercial Vehicle Products. Prior to joining Littelfuse, Mr. Ruppel served as President, IDEX Optical Technologies, and previously served in leadership roles at Montevideo Technology, Inc., Herman Miller, Eaton and Cooper Industries.