Professor Piekkari has extensive experience studying the management of large multinational corporations, with a particular focus on internal communications, organization design & architecture, and corporate culture & diversity management.

Since 2004, she has been a Professor of International Business at Aalto University School of Business. Between 2011 and 2014, she was the Vice-Dean of Research and International Relations. She teaches 'Managing in a Global Context', 'People Management in Multinational Organizations', and 'Case Studies in Business & Management Research' in the M.Sc. and Ph.D. Programs at Aalto University.

Before joining Aalto University, Piekkari was a Research-Fellow at the Hanken School of Economics (Finland), a Lecturer at the University of Bath (UK), and the University of Sheffield (UK). She has held many visiting positions at foreign universities and business schools like INSEAD, Copenhagen Business School (Denmark), and Stanford University (USA). 

Piekkari devotes 50% of her time to teaching and supervising M.Sc. students majoring in International Business. In addition, she focuses on language and careers. She is interested in using qualitative methods, particularly in International Business. Rebecca Piekkari has a Ph.D. and M.Sc. in International Business from the Helsinki School of Economics.