Involved in ISTQB^® since 2005 – an active member of the General Assembly and involved in multiple initiatives e.g. supported strategy, trademarking, the establishment of standards.

Current Vice-Chair of the ISTQB^® Marketing Working Group.

Supported the introduction of ISTQB^® certification products including Mobile Application Testing, Artificial Intelligence Testing, and Model-Based Testing by making IP available as a basis for product development.

Supported the founding and growth of multiple ISTQB^® Member Boards around the world.

Supports exam delivery to ISO 17024 and 9001 standards as an authorized exam provider across the world. Specific agreements with 19 ISTQB^® Member Boards including ANZTB, ATB, BNTQB, BSTB, BSTQB, CSTB, CuTB, GTB, FiSTB, HASTQB, ITQB, LSTQB, NGSTQB, SEETB, STB, UKITB, USQB, ZIMSTQB.

Initiated special projects that bring ISTQB^® to new countries around the world e.g. Rwanda and Palestinian Territories.

Promotes the ISTQB^® with other qualifications bodies (e.g. IREB and UXQB).

Stephan receives the ISTQB^® Growth Contributor Award in recognition of all he has done to support and grow ISTQB^® as a certification body and to extend the ISTQB^® reach around the world including initiating the introduction of new products to meet market needs and founding, development, and ongoing support of Member Boards.