Guido holds a M.Ed. degree in Management Education, specializing in organizational development and leadership development. Continuous professional development in the USA and the UK. Consultant & Trainer since 1982, numerous publications, and speaker at ATD, CIPD and IFTDO conferences.

Since 1991, he is CEO of Lead1ng AG (the holding company for KKAG, Change International Ltd., Lean Digital Solutions EOOD and Leadership-Support GmbH), 5 branches in Germany as well as in Ireland, Austria, Bulgaria and Italy.

Lead1ng AG’s core business is implementing change management and leadership development initiatives, as well as providing supporting digital tools – worldwide and in all languages.