doi:10.1080/10803548.2024.2358676engAsensio-Martínez, ÁngelaAdame, LorenaAguilar-Latorre, AlejandraMillán, BenitoDomínguez-García, MartaMagallón-Botaya, RosaPilot study of an online brief mindfulness-based intervention to improve the well-being of managers and reduce their stress at workART-2024-139596Objectives. The COVID-19 pandemic, remote work and new technologies have heightened workplace pressures. Effective response and essential organizational changes require business leaders to be more adaptable, with managers’ presence playing a pivotal role in successful implementation. The study assesses a brief mindfulness-based emotional regulation for managers (MBERM) intervention, to reduce workplace stress and enhance managerial well-being. Methods. An 8-week non-randomized controlled trial was conducted with a waiting list control group and an intervention group. Pre–post differences were measured by Student’s t test or Wilcoxon test, and effect size calculated using the Hedge’s g formula. The sample included 23 managers (17 men and six women) with average age 50 years. The study assessed anxiety and depressive symptoms, psychological flexibility, perceived self-efficacy, general work-related well-being, perceived stress and mindfulness. Results. Statistically significant changes were observed in the intervention group in depression, anxiety, work-related acceptance and action, general self-efficacy, exhaustion, alienation, stress and non-reactivity. The control group showed no statistically significant changes in any of the variables. Conclusion. The MBERM intervention could improve the emotional and work-related well-being of managers and reduce stress levels and burnout. Further study of this intervention is needed to promote adherence and ensure a long-term improvement.2024http://zaguan.unizar.es/record/14469310.1080/10803548.2024.2358676http://zaguan.unizar.es/record/144693oai:zaguan.unizar.es:144693info:eu-repo/grantAgreement/ES/DGA/B21-23R-GAIAPinfo:eu-repo/grantAgreement/ES/ISCIII-RICAPPS/RD21-0016-0005International Journal of Occupational Safety and Ergonomics 30, 3 (2024), 858-866by-nc-ndhttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.esinfo:eu-repo/semantics/openAccess