Mentoring is typically thought of as a top-down process, but it can also be based on collegial mentorship. This article describes an example of peer-to-peer mentoring that helped advance research in the field in field of information systems.
Nunamaker, Jr., J. (2007). Collegial Mentorship. Communications of the Association for Information Systems, 20, pp-pp. https://doi.org/10.17705/1CAIS.02004