At an Oct. 17 meeting with AWS employees, Mr. Garman said 90% of employees agreed with the new policy.

Yet in their letter, the employees said, “We were appalled to hear the nondata-driven explanation you gave for Amazon imposing a five-day in-office mandate.”

The letter added that Mr. Garman’s comments misrepresented the feelings of Amazon workers, who they say are overwhelmingly against the company’s policy change.