Ethical decision making is a core professional competency for behavior analysts, yet the process is not always systematic or consistent. The most recent Ethics Code for Behavior Analysts, which took effect in 2022, embedded a structured ethical decision-making process directly within the code itself, signalling that the BACB now expects practitioners to approach ethical dilemmas through a deliberate, step-by-step framework. This bundle draws on contemporary behavior-analytic literature to provide an understanding of what ethical decision-making models are, where they come from, and how they function in practice. The articles collectively examine how formal decision-making frameworks are structured across disciplines, how behavior analysts currently navigate ethical dilemmas, how contextual and value-based variables shape the decisions practitioners make, and what the evidence says about the reliability of and practitioner preferences for formal decision-making models. The bundle also addresses how structured tools such as decision trees can be used to develop more consistent ethical decision-making repertoires in oneself and while teaching others. Together, the articles give practitioners the foundational knowledge needed to engage with ethical decision-making models more deliberately.