I 2021 begyndte Johannes Holt Iversen at blive repræsenteret i [[Paris]], [[Frankrig]] gennem Patricia Chicheportiche fra Galerie 208.<ref>[https://www.artistcloseup.com/blog/blog-post-title-four-c3k55-j2mp4-zZFk9 Johannes Holt Iversen represented by Paris-based Galerie 208 (FR)]</ref><ref>https://galerie208.com/?artists=johannes-holt-iverson</ref> I november 2021 blev han ydermere fast repræsenteret af Elena Ioannidou fra The Edit Gallery i [[Limassol]],[[Cypern]]. <ref>{{Cite web|title = The Edit Gallery | url = https://www.theeditgallery.com/artists/johannes-holt-iversen/ |website = www.theeditgallery.com|access-date = 2022-01-05}}</ref> <ref>{{Cite web|title = Represented by The Edit Gallery on Cyprus | url = https://news.holt-iversen.com/2021/11/30/johannes-holt-iversen-now-represented-by-the-edit-gallery-on-cyprus/ |website = www.news.holt-iversen.com|access-date = 2022-01-05}}</ref> I løbet af december 2021 og januar 2022 skabte Johannes Holt Iversen i samarbejde med Director of Fermentation Jason White fra den meget anerkendte [[Noma|Noma (restaurant)]]<ref>https://news.holt-iversen.com/2022/01/21/art-collaborations-at-noma-fermentation-lab/</ref> et kunstværk baseret på en plexiglaskonstruktion ved hjælp af en kombination af optisk holografisk PVC og dyrket [[mycelium]] monokultur-skimmel, som er biologisk bremset af Nomas laboratorieudstyr.<ref>https://www.g-allery.com/news/johannes-holt-iversen-collaboration-noma</ref> Kunstværket hænger nu i [[Noma]] i deres Fermentation Lab. I april 2022 var Johannes Holt Iversen en del af en gruppeudstilling ved navn "The Responsive Body" sammen med billedkunstneren [[Sali Muller]] afholdt af Stella Allery Berlin i [[Tyskland]]. <ref>{{Cite web|title = Artfacts: International Artist Ranking Database | url = https://artfacts.net/exhibition/the-responsive-body/1008829 |website = www.artfacts.net|access-date = 2022-04-25}}</ref><ref>{{Cite web|title = Monopol Magazin für Kunst und Leben | url = https://www.monopol-magazin.de/shows/responsive-body |website = www.monopol-magazin.de|access-date = 2022-04-25}}</ref>I december 2022 deltog Johannes Holt Iversen i sin første gruppeudstilling i Sydasien afholdt af Pakistan Art Forum kurateret af kunstrådgiver Zara Sajid.<ref>{{Cite web|title = Youlin Magazine: Art Review Pakistan Art Forum| url = https://www.youlinmagazine.com/article/art-review-pakistan-art-forum-showcasing-tars-of-tomorrow/MjIwOA== |website = www.artfacts.net|access-date = 2022-12-24}}</ref> I marts 2023 blev Johannes Holt Iversen inviteret af kunstneren Christian Tony Norum til at deltage i en gruppeudstilling i [[Edvard Munch]]s Atelier i [[Ekely]] sammen med 38 samtidskunstnere og gamle mestre som [[Asger Jorn]] , [[Sigmar Polke]] og [[Edvard Munch]]. <ref>{{Cite web|title = news.holt-Iversen.com | url = https://news.holt-iversen.com/2023/03/28/collaboration-exhibition-at-edvard-munchs-studio-in-ekely/ |website = www.news.holt-iversen.com|access-date = 2023-04-01}}</ref><ref>{{Cite web|title = matterport.com|url = https://my.matterport.com/show?m=PtkEajDniPu|website = www.matterport.com|access-date = 2023-04-01|archive-date =  1. april 2023|archive-url = https://web.archive.org/web/20230401103005/https://my.matterport.com/show?m=PtkEajDniPu|url-status = dead}}</ref> I løbet af april-maj 2023 deltog Holt Iversen i en gruppeudstilling sammen med kunstnerne Florence Reekie og Karolina Albricht afholdt på Artistellar Gallery i London [[Mayfair]] distrikt.<ref>{{Cite web|title = Artistellar Gallery London | url = https://www.artistellar.com/exhibitions/23/cover/ |website = www.www.artistellar.com|access-date = 2023-05-07}}</ref><ref>{{Cite web|title = Widewalls Magazine | url = https://www.widewalls.ch/events/artistellar-reflecting-karolina-albricht-johannes-holt-iversen-florence-reekie-2023-04-19 |website = www.widewalls.ch|access-date = 2023-05-07}}</ref><ref>{{Cite web|title = Artrabbit | url = https://www.artrabbit.com/events/reflecting-karolina-albricht-johannes-holt-iversen-florence-reekie |website = www.artrabbit.com|access-date = 2023-05-07}}</ref> I 2023 migrerede Holt Iversen desuden sin repræsentation i Paris til Galerie Duret i [[6. arrondissement i Paris]] og deltog sammen med dem i den internationale hollandske kunstmesse [[KunstRAI]] i Amsterdam samme år.<ref>{{Cite web|title = Kunst Rai Artist Website | url = http://www.kunstrai.nl/en/artist/johannes/ |website = www.kunstrai.nl|access-date = 2023-05-07}}</ref><ref>{{Cite web|title = Galerie Duret Official Website | url = https://www.galerieduret.com/en/artistes/johannes-holt-iversen-40 |website = www.galerieduret.com|access-date = 2023-05-07}}</ref><ref>{{Cite web|title = Holt-Iversen News Blog | url = https://news.holt-iversen.com/2023/06/03/kunstrai-2023-a-spectacle-of-artistic-excellence-and-resilience/ |website = www.news.holt-iversen.com|access-date = 2023-05-07}}</ref> I juni 2023 afholdt Johannes Holt Iversen sin tredje soloudstilling med navnet AFTERBURNER med sit hovedgalleri [[Annika Nuttall Gallery]] i [[Aarhus]], Danmark.<ref>{{Cite web|title = Annika Nuttall Gallery | url = https://www.annikanuttallgallery.com/exhibitions/afterburner/ |website = www.annikanuttallgallery.com|access-date = 2023-05-07}}</ref>
Levende_personer Kunst