( NewsNation ) — Billionaire entrepreneur Mark Cuban is warning that five major job categories are increasingly at risk as artificial intelligence adoption accelerates, particularly for workers in routine, entry-level roles.

Cuban said the shift is already underway, driven by companies weighing the cost and productivity of AI systems against human labor.

As tools improve and become more cost-effective, he expects businesses — especially large ones — to reduce headcount in roles built around repetitive tasks.

The transition is where the risk shows up, Cuban said in recent social media posts and interviews: “There’s only two types of companies in this world.…