KEYWORDS

1. Introduction

2. DES EPO Guiding Principles
2.1. Diversity and Inclusivity

2.2. DES Social Media Strategy and User Summary

3. EPO Programming for a Collaboration
3.1. Dark Energy Detectives

3.2. The Dark Energy Survey.org Website

3.3. The DArchive: DES Results in a Nutshell

3.4. DES Thought for the Day (DEST4TD)

3.5. DarkBites

3.6. DE Scientist of the Week

3.7. Multilingual EPO

3.8. Image & Video Curation and Creation

4. Conclusions