Keywords: Catalysis; Mediator; Photochemistry; Electrosynthesis; Phenanthroimidazole EN Catalysis Mediator Photochemistry Electrosynthesis Phenanthroimidazole 1 1 1 01/11/23 20230109 NES 230109 B The Front Cover b portrays a phenanthrolimidazole molecule (a known electrochemical mediator) as a hiker crossing the boundaries between the fields of electro- and photocatalysis. Front Cover: How to Harness Electrochemical Mediators for Photocatalysis - A Systematic Approach Using the Phenanthro[9,10-d]imidazole Framework as a Test Case (ChemCatChem 1/2023) The scene illustrates a systematic approach toward harnessing electrochemical mediators for photocatalysis, which is presented by M. Májek, R. D. Little, R. Francke and co-workers in their Research Article. [Extracted from the article]