Jost de Jager was a member of the State Parliament of Schleswig-Holstein for nine years before joining the state government of Schleswig-Holstein in 2005 as state secretary and then as Minister of Science, Economic Affairs and Transport in the state government of Schleswig-Holstein. He  was also Chairman of the CDU in Schleswig-Holstein and the top candidate of his party in the state elections of 2012.

Since 2013, Jost de Jager has been advising companies and public institutions on strategic processes, organisational development and political communication. He usually works individually for single companies, public institutions and international organisations, or as a contractor to other consulting firms in Germany and abroad.

Aside from working on operational consulting projects, Jost de Jager is also prepared to assume responsibility as a supervisory board member. Due to his many years of experience in administration, politics and business, he can bring an excellent network of experts and decision-makers to his mandates nationwide.

His mandates focus on the following areas:

• Strategy consulting – Consulting of public institutions and companies through the preparation of strategy papers, communication concepts and the structuring of processes. In principle, Jost de Jager advises clients at all levels – authorities and institutions at the municipal and state level, development cooperation institutions as well as advising foreign government institutions on policy reforms.
• Policy Advice – Supporting decision-makers of companies in the health, energy and urban development in their political positioning and M&A activities. This can include strategy workshops as well as strategic and tactical preparation for board meetings and public appearances (Corporate Affairs Advisory).
• Networking – Jost de Jager supports long-standing business partners in networking and acquisition projects. The focus of the joint work is on establishing references to content and providing impulses to each other.