Proven methods and experience from mandates at Siemens, Hewlett Packard, ThyssenKrupp and the German health insurer Kaufmännische Krankenkasse – organized by the situations in which management boards need them.
Fundamental insights into leading a CIO function – role, organization, governance, architecture, culture and partners – plus a curated reading list.
Read the article → Overview · updated 2026How to find trustworthy, up-to-date information, verify sources and recognize manipulation – plus a checked list of more than 150 information sources.
Read the article → Overview · Digital societyHow early childhood conditioning and the business model of social media reinforce each other – and what parents, schools and each of us can do about it.
Read the article →The following articles will gradually appear here in revised form. Until then, the links lead to the original versions on my blog.
15 steps from a corporate program: IT costs down from 5 % to 4 % of revenue – EUR 800 million per year, target exceeded by 10 %.
Original version (blog) ↗ Crisis and escalationThe task force method: independent leadership, confidential interviews, root cause analysis and fact-based hypotheses.
Original version (blog) ↗ Merger and reorganizationWhy matrix organizations block themselves – headquarters versus business units, transfer prices, profit centers – and what helps.
Original version (blog) ↗ Change of leadershipHow to find your bearings quickly in a new environment, build trust and set the right priorities.
Original version (blog, German) ↗ Large project in troubleThe real causes behind failed large-scale projects – and how to recognize them early.
Original version (blog) ↗ Change that doesn't landWhy board decisions don't implement themselves – and which nine prerequisites must be met.
Original version (blog) ↗Whether cost pressure, crisis, merger or change of leadership: I support you as a consultant or as interim CIO, CDO or CTO – available at short notice and with experience from comparable situations.