The DRONCO Board of Directors with Executive Team

Oliver Vollmers
Graduate in Economy, member of the board since 1 January 2012 and responsible for special-tasks. Oliver Vollmers is Managing Director of Dronco Technology GmbH and Leurop Diamanttechnologie GmbH.

Stefan Mohr
Graduate engineer, authorised signatory, born in 1969, joined the company on 1 January 2000, granted power of authorised signatory on 14 October 2008. Responsible for Production, Logistics and Quality Assurance.

Johannes Troesch
Graduate in Business Administration, authorised signatory, born in 1967, joined the company on 1 August 1995, granted power of authorised signatory on 6 April 2001, responsible for all sales in Germany, Northamerica and United Kingdom. As member of the board responsible for Marketing and Human Resource. Managing Director of DRONCO Abrasives UK Ltd and DRONCO America LLC.

Andreas Siller
Accountant, authorized signatory, born 1978, joined the company on 1 September 1993, granted power of authorised signatory on the 13 of December 2010. Andreas Siller is responsible for Finance and Controlling, Office-Management and IT.

Johann Michel
Graduate in Business Administration, authorised signatory, born in 1958, joined the company on 1 October 1991, granted power of authorised signatory on 6 April 2001, responsible for all exports with the exception of the Northamerica and United Kingdom. As member of the the board responsible for Purchasing and Product Management. Managing Director of DRONCO France Eurl and DRONCO Scandinavia AB.

Hermann Bröker
CEO, born in 1946, Member of the Board since 2000, responsible for the corporate centres of Communication, Finance, Financing and Strategy.