This is a comprehensive report document after the conclusion of The Bern III Conference that was held in Universal Postal Union in Bern, Switzerland from 23-25. January 2024. The conference was convened in person with participation by invitation only, chaired by Clarisse Kehler Siebert from Sweden and Camila Isabel Zepeda Lizama from Mexico, with the support of professional facilitators and a conference planning team. Amongst its 133 participants, the conference included representatives of parties and secretariats from 69 countries and 16 MEAs, in addition to a range of other stakeholders, organizations and individual experts. The aim of the Bern III Conference was to contribute to the efficient and effective implementation of the Kunming-Montreal Global Biodiversity Framework by identifying practical opportunities to drive and coordinate an inclusive collaborative approach towards implementation of the framework while respecting the respective mandates of participating MEAs. The open exchange on cooperation to implement the Kunming-Montreal Global Biodiversity Framework resulted in a wide range of concrete ideas for increased collaboration among MEAs at global, regional and national levels.