Supervisory Board

The Supervisory Board of LEONI AG monitors the company’s business development and strategic direction and advises the Management Board in running the company in accordance with the German Co-determination Act. The Board has an equal number of six members representing shareholders and six members representing employees. 

MemberFunctionDate of birthProfessionPlace of residence
Friedrich RoithnerChairman of the Supervisory Board10 March 1963Member of the Executive Board & CFO, Pierer Industrie AGLinz, Austria
Franz Spieß1Deputy Chairman25 January 1957First Representative, IG Metall (Office Schwabach)Büchenbach
Günther Apfalter 21 August 1960President Magna Europe & Asia, Magna International Europe GmbHLinz, Austria
Josef Blazicek 15 February 1964Shareholder Ocean, Qino GroupPerchtoldsdorf, Austria
Mark Dischner1 22 December 1973Chairman of General Works Council, LEONI AGGreding
Michaela Friepeß 15 March 1972Member of the Executive Board, Pierer Industrie AGWels, Austria
Carolin Geist1 3 July 1990Political secretary, IG Metall (Office Nuremberg)Nuremberg
Martin Hering1 5 July 1979Chairman of Works Council, LEONI Bordnetz-Systeme GmbH KitzingenWiesenbronn
Sina Maier1 29 November 1997Technical Purchasing Officer, LEONI Kabel GmbHFreystadt
Anton Ostrizkij 1 December 1986Director Sales, SHW Automotive GmbHMemmingen
Rudolf Wiesbeck 18 July 1979Member of the Executive Board & COO, KTM AGMühldorf am Inn
Klaus Wolff1 2 May 1967Head of Development Support, LEONI Bordnetz-Systeme GmbHOchsenfurt

1 employee representative


LEONI AG’s Supervisory Board formed three committees. The committees raise the efficiency of Supervisory Board work by dealing in detail with complex subjects outside the actual meetings and preparing the findings for the vote by the whole Board.

There are the following committees according to the Supervisory Board’s Rules of Procedure:

Arbitration Committee pursuant to Section 27 (3) of Germany’s Co-Determination Act
Friedrich Roithner (Chairman), Sina Maier, Franz Spieß, Josef Blazicek

Audit Committee
Josef Blazicek (Chairman), Michaela Friepeß, Franz Spieß, Klaus Wolff

Personnel Committee
Friedrich Roithner (Chairman), Mark Dischner, Franz Spieß, Josef Blazicek

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