In 1990 he received the Conrad's Premium of the Koninklijk Instituut Van Ingenieurs (KIVI), for his contributions to the engineering sciences and their application.
In 't Veld was married to the sociologist Henny Langeveld (1926–2004) Emeritus Professor of Equality Studies at the Erasmus University Rotterdam.
He died in Leiden on 27 January 2005. Notable former students were Jeroen van der Veer of Shell, Gertjan Kroon of GVB Amsterdam, Jan Zaaijer former Fokker and BBA (public transport), and Bernard Dijkhuizen of Ziggo.
In 't Veld research interests, where in the fields of systems approach to organizational problems, industrial organization and management and information.
In his 1975 "Analysis of organizational problems" In 't Veld explained, that for centuries managers have already thought in processes and systems, only they didn't call it like that.
It offers one particular "systematic way of thinking about problems, provides a better understanding and insight, and is a tool that can lead to a higher level of abstraction consider regarding concrete situations ... Threads with specialists from other disciplines can become clearer.
In 't Veld was referring to Pierre Malotaux, with whom he had developed and supplied education in Business management at the Delft University of Technology since their inauguration in 1968.