About the Authors

Ricardo J. Vargas

Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

ricardo.vargas@consulting-house.eu

Affiliations Faculdade de Psicologia, Universidade de Lisboa, Lisboa, Portugal, Consulting House, Lisboa, Portugal

Osvaldo Santos

Roles Data curation, Formal analysis, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

Affiliations Faculdade de Medicina, Environmental Health Behaviour Lab, Instituto de Saúde Ambiental, Universidade de Lisboa, Lisboa, Portugal, Unbreakable Idea Research, Lisboa, Portugal

Mónica Fialho

Roles Data curation, Formal analysis, Software, Visualization, Writing – original draft, Writing – review & editing

Affiliation Faculdade de Medicina, Environmental Health Behaviour Lab, Instituto de Saúde Ambiental, Universidade de Lisboa, Lisboa, Portugal

Joana Costa

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation LEAF - Linking Landscape, Environment, Agriculture and Food Research Centre, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal

Nicole Eifler

Roles Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Consulting House, Lisboa, Portugal

Pedro Marques-Quinteiro

Roles Conceptualization, Formal analysis, Methodology, Supervision, Validation, Writing – review & editing

Affiliations Intrepid Lab, ECEO, Lusofona University, Lisbon, Portugal, CETRAD, Centro de Estudos Transdisciplinares para o Desenvolvimento, UTAD, Trás-os-Montes e Alto Douro, Portugal

Luís Curral

Roles Conceptualization, Formal analysis, Methodology, Supervision, Validation, Writing – review & editing

Affiliations Faculdade de Psicologia, Universidade de Lisboa, Lisboa, Portugal, Research Center for Psychological Science – CICPSI, Universidade de Lisboa, Lisboa, Portugal

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: the first and fifth authors are consultants with the organization that delivered the self-leadership training reported in the current paper. This does not alter our adherence to PLOS ONE policies on sharing data and materials.