The Team

Jan Ondrus |
Chaired Professor

Jan Ondrus is Associate Professor of Information Systems and Associate Dean of Faculty, ESSEC Asia Pacific. He holds an MSc and a PhD in Information Systems from HEC Lausanne (University of Lausanne) in Switzerland.

His research examines the strategic role of information technology in the development of digital ecosystems. He is particularly interested in the disruptive and transformative aspect of digital technology for business model innovation and social impact. Also, he has been specifically studying the emergence of mobile payment platforms for more than 15 years. His research has been published in top academic journals, presented at major conferences, and actively used in his teaching in the GMBA, the EMBA, and executive education programs at ESSEC. He served as an Associate Editor for academic journals such as the Information Systems Journal (2013-2018) and Electronic Commerce Research and Applications (2015-2020).

For more details, please refer to his website:

Emilie De Stefano |
Chair Assistant

Under the responsibility of the chair professor as the Dean's department, she assists the chair in the administrative and operational organization of the educational and event activities (student recruitment, seminar, conferences, learning expedition, social media communication, graduation...). She connects students, professors, ESSEC staff and different partners of the Chair. 

Cédric Kachaner | Program Manager

Before joining the Digital Disruption Chair team in 2021 to take over ESSEC’s Digital Marketing Strategy class, Cedric has been teaching in the Marketing Management & Digital MS program for 5 years. He has been a regular coach for the Digital Week Competition, and has been tutoring groups of students in their research projects (Chair, MBA Capstone). As a former Consultant working at Google, Cedric developed a strong expertise in digital marketing. He is currently the CEO of Digital Transformers, which mission is to support large organizations in rolling-out their strategic plans by fostering employee engagement, upskilling and acculturation. Cedric is also an ESSEC Executive alumni since 2020, during which he completed a 1-year Advanced Certificate in Coaching, Leadership & Change. In 2023, he becomes Project Manager.


Raphaëlle d'Ornano | Seminar Lecturer
(Growth & profitability drivers...) 

Raphaëlle d’Ornano is the Founder and Managing Partner at D’Ornano + Co and a lecturer at ESSEC Business School in the Digital Disruption chair (Seminar 2: Growth & profitability drivers for new tech business models).

Raphaëlle began her career at Deloitte in Los Angeles then in Paris, focusing on financial due diligence of acquisitions and sales. While at Deloitte, Raphaëlle noticed that a new class of investors, seeking value in socially responsible investments, was not being served by the market. She therefore became an attorney at law. With this dual financial and legal expertise, Raphaëlle opened D'Ornano+Co, convinced that the new tech business models require a holistic legal, financial and strategic approach to be understood. Under Raphaëlle's leadership, the firm has participated in over 200 transactions and has validated over €500 million of investment in Tech in 2020 through its offices in Paris and New York.

Raphaëlle is an expert across multiple industries. She is a regular lecturer at Bercy on the subject of the Tech economy and the vice-president of the ESSEC alumni board. Raphaëlle graduated from ESSEC Business School in 2009 and has been a Paris-bar admitted lawyer since 2015. She holds a degree in Restructuring from Paris 1 – Panthéon Sorbonne University and holds the D.S.C.G.