Flavor, fragrance and aroma chemical producers
The market that moves first, because the switch from an extracted or petro-route ingredient to an enzymatic one is a story the end brand can tell as well as a cost the plant can defend. Concentrated, well mapped, and small enough that the same twenty names appear in every conversation.
Who signs: VP of research and development, head of process chemistry, chief technology officer, and the sourcing lead who owns naturals.