Università degli Studi di Napoli Parthenope, CVPR Lab "Alfredo Petrosino", Italy (principal collaborator : Pr. F. Camastra;  co-supervision of 3 PhD students during their 3-month stay in Rochelle University)

Sapienza Università di Roma, Italy (co-supervision of 1 PhD student  during his 1-month stay in Rochelle University)

Universidad de Antoquia, Colombia (Pr. Claudia Isaza Narvaez); participation, in the quality of senior scientist, in two ECOS-Nord projects : "A Novel Clustering Internal Validation Approach applied to the Ecosystem Health Identification using Audio Recordings", 2022-2024, with research visit in October, 2024, and "Listening to the Landscape: Unsupervised Graph-Based Tools for Biodiversity Planning in Human-Impacted Landscapes ", 2026-2028.

IIT Jammu, India