In this critical literature review, the authors examine how counseling supervisors can ethically and effectively foster supervisees ' lesbian, gay, bisexual, transgender, queer, questioning, intersex (LGBTQQI) ally development. Synthesis of the integrated developmental model of supervision with a framework for affirming LGBTQQI case conceptualization is described. Practical examples are provided for each component of the proposed model, and a case study is provided to illustrate application of LGBTQQI ally supervision.