The aim of this paper is to examine the induction programme for newly qualified teachers and mentor education in Estonia, providing a comparative analysis of existing Estonian and possible Romanian models of mentoring. While the Estonian induction programme has been in place for more than ten years, induction in Romania is a relatively new and has only been mandatory since 2011 ("National Law of Education" 1/2011). The specifics of mentor professional development within the Romanian induction framework have yet to be explicated. This paper proposes two possible scenarios suitable for the Romanian system: 1) long-term regulated academic education (part of master or doctoral level studies), and 2) flexible short-term in-service education. The advantages and disadvantages of both models are examined and ways to overcome some of the disadvantages are identified. Ultimately, the paper proposes that a flexible, needs-driven system which encompasses a degree of choice will best fulfil the professional development needs of teachers who wish to become mentors.