After German reunification, he had to look for other work areas. He became managing director of TeleTrusT, an organisation which has established reliable conditions for trustworthy application of information and communication technologies in Germany and beyond.[4] TeleTrusT was then still in its beginning, with 15 members. Reimer directed the association towards an internationally respected competence centre for applied cryptography and biometrics. He initiated project groups to work on specifications for card terminals, encryption and client/server authentication. He worked towards publications, such as the 1995 book "Digitale Signatur & Sicherheitssensitive Anwendungen (Digital signature & security sensitive applications), reports such Kryptographische Verfahren im Gesundheits- und Sozialwesen (Cryptographic methods in the health and social care sector) and Kriterienkatalog zur Bewertung der Vergleichbarkeit biometrischer Verfahren (Criteria catalogue for assessing the comparability of biometric methods). Reimer organized fair participations and the international conference Information Security Solutions Europe ISSE), held from 1999,[1] and representation at the U.S. RSA Conferences. He contributed to international dialogue on the topic of IT security.[2]
Reimer left the director position of TeleTrust in July 2007,[4] becoming an honorary member.[5] He has been on the jury of the association's innovation prize.[6] He is among the publishers of the trade magazine Datenschutz und Datensicherheit (DuD) of the Vieweg Verlag[2]
Reimer was awarded the Fraunhofer SmartCard-Preis.[1]
^ abcdSeitz, Jochen; Heubach, Michael; Rink, Wolfram (12 September 2008). "10. Ilmenauer TK-Manager Workshop"(PDF) (in German). Technische Universität Ilmenau. pp. 17–21. Retrieved 20 October 2022.
