[5] Since 2001, Heer is a partner of C and E GmbH (C and E, LLC), in Zürich, which is an IT and software company together with fellow politician Mauro Tuena.

[6] He also serves as the president of the Bund der Steuerzahler (Swiss Taxpayers Association)[7] and a member of the board of trustees of Audiatur-Stiftung (Audiatur Foundation).

Further, Heer is a friend of Swiss-Albanian relations and was among the initiators of the Chamber of Commerce Switzerland-Kosova (between Switzerland and Kosovo) with the intentions to bring investors to the Balkans.

[8] He previously served on the board of directors of Alex Weiss Immobilien und Finanz AG.

[9] He was ultimately elected into Cantonal Council of Zürich where he served as a representative for the Swiss People's Party from 1995 to 2008.