An "expert mentor" refers to someone who is highly knowledgeable and experienced in a particular field or skill. They guide and teach others, sharing their expertise to help them learn and improve in that area. Full definition
We have a vetted network of startup - experienced and business expert mentors. (peakstartup.org)
Districts and states should encourage the use of Peer Assistance and Review (PAR) programs, which use expert mentor teachers supporting novice teachers and struggling veteran teachers, and which have been proven to be an effective system for improving instruction. (nassp.org)
To help them develop their business plan, competitors get intensive training and even work with expert mentors while having a chance to talk to people working in the commercialisation of bioscience. (sciencemag.org)