This Practice Note provides an introduction for persons who are new to pensions law to the role of trustees and their advisers in a pension scheme. In particular, this Practice Note looks at the different types of trustees that may be encountered, trustee decision-making considerations, Trustee Knowledge and Understanding (TKU) requirements, funding and investment considerations, trustee liability and trustee protection issues like exoneration and indemnity clauses, trustee insurance and the operation of section 61 of the Trustee Act 1925, as well as the type of advisers trustees are likely to rely on to fulfil their duties.