During the late 1990‘s Walter recognized that the postal and digital worlds would merge and so, after gaining his Master‘s in law from the University of Vienna, joined Stamps.com, the Silicon Valley internet start-up which created the world‘s first digital postage mark. He was their Senior Consultant, Managing Director EMEA and a member of their successful 1999 IPO team.
In 2000 Walter was invited to become Head of Technology atAustria Post. He also took over their address management and direct marketing divisions, started the international business and contributed to the restructuring of the organization, before leaving in 2005 to set up Document Exchange Network GmbH and its internet platform www.communication-logistics.com.
Walter‘s horizons have always been international. Chairing Working Groups at Austrian Standards Institute (ASI), at European level (CEN, EU), and acting as liaison officer on European Postal Standardization to the Universal Postal Union (UPU) and ETSI.

Walter plays an active role as Chairman of CEN/TC331 WG 2 New digital postal servicesin setting the standards and determining the future environment in whichEcommerce & Secured electronic Postal Services, as part of global network industries, will operate.

In 2013 he was elected and 2016 re-elected Executive Board Member of ASI where he advises the Austrian government on infrastructure and technical regulation policies as Presidential Advisor.

In 2015 Walter was invited to become the CO-Chair of Ecommerce Europe’s e-logistics Working Group established their participation as a member of UPU’s Consultative Committeeand acts as observer to the UPU.

In 2016 he was elected Chairman of UPU’s Consultative Committeefor the Istanbul cycle until 2020.

In 2015 Walter was appointed Expert to the Digital Transport and Logistics Forum of EU’s DG MOVEand in was appointed Experts to the Project Group on low value consignments of EU’s DG TAXUDin 2017.

Walter uses his comprehensive knowledge of the Courier-, Express-and Postal Markets to support operators in Europe and internationally, re-engineering the operations of postal incumbents and developing new business models in the field of ecommerce.