MIT Sloan Management Review spent time with 15 chief marketing officers across industries to find out what actually keeps them up at night. The answer is not a specific AI tool. It is the realization that marketing, more than almost any other business function, is being taken apart and put back together at the same time.
The clearest number in the piece comes from a CMO who mapped over 700 marketing tasks inside her organization and found that more than 80 percent could be handled by AI. She used that map to cut a 50 step campaign process down to nine steps, and rewrote every job description on her team to match. That is a new org chart, not automation bolted onto old jobs.
This pattern is not unique to marketing. Any department that runs on repeatable, well documented steps, think customer service scripts, claims processing, invoice matching, is facing the same math. The lesson for any business leader reading this from outside marketing: the question worth asking is not "which AI tool should we buy," but "which of our jobs are actually forty tasks stapled together, and which of those forty could disappear tomorrow."
The pressure is not only coming from inside the building. Search data backs up what these CMOs are describing: roughly 60 percent of Google searches now end without a click, since AI-generated summaries answer the question directly on the results page. For a function built for decades around driving clicks to a website, that is the ground moving under their feet.
It gets stranger further down the funnel. Consulting research on retail shows more than half of consumers expect to use an AI assistant for shopping, and those AI-driven shoppers already convert at meaningfully higher rates than people browsing on their own. One CMO in the piece asked the obvious follow up question: if an AI agent is choosing the product, is a loyalty program even talking to a customer anymore, or is it talking to software?
The job itself is getting less stable at the same time its scope is expanding. Independent research on Fortune 500 companies shows average CMO tenure has slipped under four years, and the share of companies keeping a marketing chief in the executive suite has been shrinking for three years running. Some companies are responding by renaming the role chief growth officer instead of eliminating it, betting that broader authority over revenue, not narrower authority over campaigns, is what keeps the seat at the table.
None of this points to marketing disappearing. It points to marketing becoming a smaller team of people doing judgment work, sitting on top of AI systems doing the execution work. Any manager watching this happen in someone else's department should treat it as a preview, not a spectator sport.