Tony Hemmelgarn

President and Chief Executive Officer

Tony Hemmelgarn is president and CEO of Siemens Digital Industries Software, a business unit of Siemens Digital Industries. Prior to this appointment, he served as the company’s executive vice president of Global Sales, Marketing and Services. In that role, he worked in partnership with Siemens Digital Industries Software’s zone sales leaders to aggressively target geographic, industry and strategic corporate opportunities. Prior to that, Hemmelgarn was senior vice president and managing director for Europe, the Middle East, and Africa (EMEA). He has also held the United States country management position as well as serving as senior vice president of the Industry Vertical Organization. 

Previously, he spent eight years with Intergraph Corporation, an international software firm. At Intergraph, Hemmelgarn assumed increasing levels of responsibility, progressing from technical management to regional technical director and director of Sales and Marketing. He moved to Intergraph from Cad Cam Incorporated where he headed up the services division. 

Hemmelgarn earned a Bachelor of Science degree in Mechanical Engineering Technology from the University of Dayton. 

He and his wife, Margie, reside in Canton, Michigan.

About Siemens Digital Industries Software

Siemens Digital Industries Software is driving transformation to enable a digital enterprise where engineering, manufacturing and electronics design meet tomorrow. The Xcelerator portfolio helps companies of all sizes create and leverage digital twins that provide organizations with new insights, opportunities and levels of automation to drive innovation. For more information on Siemens Digital Industries Software products and services, visit or follow us on LinkedIn, Twitter, Facebook and Instagram. Siemens Digital Industries Software – Where today meets tomorrow.