diff --git a/_data/presentations.csv b/_data/presentations.csv
index 23df181e..254d72cf 100644
--- a/_data/presentations.csv
+++ b/_data/presentations.csv
@@ -5,4 +5,5 @@ Bioschemas for the IDP Community,AlasdairGray,https://docs.google.com/presentati
 (Bio)schemas – Making (not only life science) data resources more interoperable and discoverable on the Web,AlasdairGray,https://docs.google.com/presentation/d/1TqvYpZVBvq_nhUkfzrzar6n87lDkryS-KYBf5bBH7bI/edit#slide=id.p1,2022-04_NFDI-InfraTalk,,,
 Contributing to EOSC Research Graphs: the role of FAIRsharing and Bioschemas,SusannaSansone,https://docs.google.com/presentation/d/1lwm-452v-pyfd7egfmh4APbX3CHXe9xu/edit#slide=id.g12f39d505fa_0_535,2022-06_ELIXIRAllHands2022,,,
 (Bio)schemas: Making data resources more Interoperable and Discoverable on the Web,AlasdairGray,https://docs.google.com/presentation/d/1MDWzlx4Mm1dpHOVnRlZcQqAIQuaOrvOfRVSLvArQBug/edit#slide=id.p1,2022-09_Ont4Chem,,,
-Bioschemas: Marking up biodiversity websites to improve data discovery and web-scale integration,FranckMichel,https://docs.google.com/presentation/d/15HB6ldOSN5C_H10w9chwWyPt_CNh8AlM/edit#slide=id.p1,,,"NFDI4Biodiversity All Hands Conference, Workshop on Data Standards & Common Language",12-14 October 2022
\ No newline at end of file
+Bioschemas: Marking up biodiversity websites to improve data discovery and web-scale integration,FranckMichel,https://docs.google.com/presentation/d/15HB6ldOSN5C_H10w9chwWyPt_CNh8AlM/edit#slide=id.p1,,,"NFDI4Biodiversity All Hands Conference, Workshop on Data Standards & Common Language",12-14 October 2022
+Improving findability on chemical resources with Bioschemas,EgonWillighagen,https://doi.org/10.5281/zenodo.8369861,,https://www.acs.org/meetings/acs-meetings/fall-2023.html,"ACS Fall 2023",13-17 August 2023