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Catherine Lejealle is a digital researcher with extensive experience in digital marketing, consulting, and education. Currently serving as a Researcher in Digital Marketing at ISC Paris since January 2016, Catherine teaches at the Master’s and MBA levels in both French and English, while also overseeing the MBA Digital Marketing and Web Management program. Catherine has operated Lejealle Consulting since September 2000, providing digital strategy services to companies. Previous roles include Associate Professor at PSB Paris School of Business, Senior Research Scientist at Telecom Paris Tech, and Manager at Arthur Andersen, where Catherine led international projects focusing on e-business transformation. Education includes a Ph.D. in sociology from Université Paris Cité and an engineering degree in telecommunications and marketing from Telecom Bretagne.