Saleh's research focuses on consumer-service provider interactions, consumer power, social influence, sponsorship disclosure by social media influencers, responses to artificial intelligence (AI), and relationship norms. His work, accordingly, has implications for service industries, retailers, and public policymakers.

Saleh's research has been published in academic journals such as the Annals of Tourism Research, Journal of Business Research, and International Journal of Hospitality Management, and presented at international academic conferences such as EMAC.

Saleh has a Ph.D. degree in marketing from NOVA Information Management School (IMS), Lisbon, Portugal. He is a recipient of the European Marketing Academy award (EMAC) based on doctoral work and has given invited academic and industry talks in Europe.

His research projects include collaboration with scholars from Pennsylvania State University (USA), University of Portsmouth (UK), CUNY Baruch College (USA), NOVA IMS (Portugal), Audencia Business School (France), and Oklahoma State University (USA).

Before joining The University of the Balearic Islands, Saleh worked as a Marketing lecturer at Coventry University, and as a researcher at NOVA IMS, and Católica Lisbon School of Business & Economics, Lisbon, Portugal.