A Jealous Rival
Väinö is an uninspiring researcher who prefers to steal work instead of doing it. He wants to make millions from Marco's work, which means he wants to steal Iris.
General Counsel for RealoPhone
She wants to destroy Iris and is using threats of lawsuits against Marco to stop his work.
Chinese "Researchers"
They want to buy Iris and move her to China and are offering Marco a lot of money. They are not as benevolent as they claim to be.
Forensic Experts at the CIA
They are worried about Iris falling into the wrong hands, and strongly prefer that Marco's technology is controlled by an American firm.