Horst Siffrin studied law and business administration at Saarland University (graduating with a diploma in business administration); He then completed an apprenticeship at the training center of the Federal Foreign Office (now Diplomatenakademie, Berlin). As a diplomat, foreign missions have taken him to diplomatic missions to Embassies of the Federal Republic of Germany in Great Britain, Ethiopia, Nigeria, Bolivia, Poland and Spain.
He is managing partner of inter.services GmbH Holding/ Investments and owner of HOSiffrin Consulting, Berlin. From 2011 to 2018 he was Chairman of the Supervisory Board of the Key-Drive Group, Luxembourg, and the Key-Systems Group in St. Ingbert; he is external director of CentralNic, London. In 2018 he co-founded AstraPharma GmbH and in 2021 SiTec Pharma IKE.
He is a services industry veteran with a diversified wealth of expertise that includes worldwide operations, delivery, process improvements, mergers and acquisitions, and integration, as well as sales and business.
He is responsible for all delivery, operations, talent recruitment and management, and information technology. He is responsible for the alignment and prioritization of company investments – enabling growth.