The phrase "various promoters" refers to different people or organizations who work to bring attention or support to a particular cause, event, or product. Full definition
Maeder et al. showed that TALE - TET1 constructs, which fused a TALEN to the Tet1 demethylase catalytic domain, could mediate demethylation and induce transcription at CpG regions of various promoters. (blog.addgene.org)
i mean, he took the foundations laid down by various promoters (including Crockett, Watts, Bischoff, and Heyman), and developed the key thing to pro wrestling's long term survival — its maturation as a bonafide genre of entertainment. (sbnation.com)
Back home in Sweden after weeks of sparring with various promoters, Edwin Ahlquist. (si.com)