Stella O’Malley is a psychotherapist, bestselling author, and public speaker. Much of Stella’s counselling and writing focuses on mental health and the importance of well-being and she is a regular contributor to the Irish Independent, the Sunday Independent, RTE, Newstalk FM and other national media. Stella's first bestselling book, ‘Cotton Wool Kids’, was released  in 2015 while 'Bully-Proof Kids' was released in 2017 and  ‘Fragile: Why are we feeling more anxious and overwhelmed than ever before’, was released in 2019. Stella is also the resident psychotherapist for the popular TV series, Raised by the Village, a family programme that helps troubled teenagers reconnect with themselves and their families.

In 2018, Stella was the presenter of the highly-acclaimed Channel 4 documentary ‘Trans - Kids: It’s Time To Talk’, she contributed a chapter to the 2019 book, ‘Inventing Transgender Children and Young People’ and regularly consults with families who have been impacted by gender dysphoria. Stella also presents workshops in Europe and the USA about issues related to gender identity. In December 2020, Sasha Ayad, a recognised expert in the field of gender, and Stella launched ‘Gender: A Wider Lens’, in a bid to explore the concept of gender from a psychological depth perspective.

Stella founded the Gender Dysphoria Support Network (GDSN) to help provide support for families who have been impacted by gender dysphoria. The GDSN hold a number of support meetings every week for parents all over the world. Stella is also the founder and executive director of Genspect, an international alliance of parent and professional groups that seeks to highlight the voices of parents whose children have been impacted by gender issues. Genspect, represent 18 different parent organisations over 15 different countries and three different continents.

Stella is also a founding member of the Gender Exploratory Therapy Association, and the International Association of Therapists for Desisters and Detransitioners, the vice-president for The Institute for Comprehensive Gender Dysphoria Research and a Clinical Advisor in the Society for Evidence-based Gender Medicine.

Stella holds a B.A. in Counselling and Psychotherapy and a M.A. in Cognitive Behavioural Therapy and is currently studying for a PhD about gender-related distress.