About us

Tyréns Group Management

Johan Dozzi

President and CEO of Tyréns AB

Born 1969. Employed 2017.

Background: CEO Sweco Civil AB, CEO Sweco Infrastructure AB

Birgitta Olofsson


Born 1958. Employed 2002.

Background: Department Head of Infrastructure at the eastern regional office, Head of research and development at VAI VA-Projekt

Klas Rewelj


Born 1972. Employed 2015.

Background: CFO CGI, Management, Finance and IT at Falck, Munters

Cecilia Granath

MD Sweden

Born 1973. Employed 2001.

Background: Regional Manager East at Tyréns AB

Simon Giles

MD England

Born 1974. Employed 2018.

Background: Global Head of the Cities Industry Segment at Accenture

Gregor Rolski

Business Area Manager Eastern Europe

Born 1962. Employed 2019.

CEO for the Polish consultancy firm Sweco Engineering Ltd, Regional Manager, Regional Manager for hydropower and dams at Sweco Infrastructure in Sweden.