Marlies de Vries is specialized in Auditing, Accounting and Control. Marlies is responsible (as chairman) for one of the pillar stones in the degree program for Auditors and Controllers i.e. "bestuurlijke informatieverzorging" / accounting and information systems. Herin her main interest is in how organizations balance their controls between formal ('hard') and informal ('soft') controls within today's complexities such as globalization, new organizational forms, the rise of integrated reporting, etcetera. This academic and practical interest is also incorporated in her teaching within the Nyenrode Executive Programs such as the Behavioral and Cultural Governance Program and several masterclasses.
She has researched several matters related to young (accounting) professionals. In May 2018 she issued together with the NBA Young Professionals a widely recognized research on how young professionals experience working in accounting. This research led to many ongoing debates in the profession as well as in Dutch and some international media.