Currently, Matthias Ernst Rebellius occupies the position of Chief Executive Officer for Siemens Smart Infrastructure (Switzerland). Mr. Rebellius is also Chief Executive Officer-Smart Infrastructure at Siemens AG and Deputy Chairman of Arabia Electric Ltd (Equipment) and on the board of 6 other companies.

In his past career Mr. Rebellius was Chief Executive Officer for Siemens Building Technologies AG and President of Siemens Industry, Inc.

Matthias Ernst Rebellius received an undergraduate degree from Hochschule Trier.