was CEO of the All for One Group from May 2007 to October 2022 and has been Co-CEO since November 2022. Under his responsibility, the All for One Group has consistently expanded into a prominent consulting and IT group. Landwehrkamp was previously senior manager of a large auditing and consulting company.
Year of birth: 1959 Nationality: German
Michael Zitz
was CSO of the All for One Group from April 2021 to October 2022 and has been Co-CEO since November 2022. He is considered an acknowledged expert in everything related to digitalisation and customer centricity. Zitz is also co-founder of B4B Solutions GmbH, Graz/Austria, which has been part of the All for One Group since 2016.
Year of birth: 1980 Nationality: Austrian
Stefan Land
has been CFO of the All for One Group since April 2008. After several different professional positions in Germany and abroad, the experienced financial and capital market expert's last position was CFO of a listed company in the medical technology Segment.
