Dave Clark, the chief govt of Amazon’s client enterprise, who was the architect of its large warehouse operations, introduced on Friday that he would go away the corporate after 23 years. He didn’t say what he would do subsequent, and the corporate didn’t instantly identify a successor.“It’s time for me to construct once more,” he stated in a be aware on Twitter. His final day is July 1.Andy Jassy, Amazon’s chief govt, stated in an e mail to the corporate’s management that he hoped to have an replace on succession plans “over the subsequent few weeks.”“The previous few years have been among the many most difficult and unpredictable we’ve confronted within the historical past of Amazon’s Client enterprise,” Mr. Jassy stated, “and I’m notably appreciative of Dave’s management throughout that point.”Mr. Clark rose by the ranks of Amazon’s operations to supervise one of many largest capital investments in company historical past, as the corporate moved to develop its personal infrastructure to satisfy and ship orders by air, truck and vans. Beneath his watch, the corporate’s work power swelled to greater than 1.6 million.On the identical time, the mannequin Mr. Clark constructed has confronted rising pressures. Policymakers and staff have questioned the corporate’s employment mannequin, which gives a mean minimal wage above $18 an hour however depends on a stream of staff biking out and in of the corporate. Staff on Staten Island this 12 months voted to kind a union, which the corporate is contesting.The corporate’s newest monetary outcomes confirmed that Amazon overexpanded, having extra warehouse and labor capability than buyer demand because the pandemic-fueled increase in e-commerce receded. The corporate’s executives stated it was trying to rebalance its spending.“Our groups are squarely targeted on bettering productiveness and price efficiencies all through our success community,” Mr. Jassy stated in a press release on the time.Mr. Clark was an aggressive defender of Amazon. In a tweet he has since deleted, final 12 months he goaded Senator Bernie Sanders, the Vermont unbiased, who was supporting staff attempting to unionize. “I typically say we’re the Bernie Sanders of employers, however that’s not fairly proper as a result of we truly ship a progressive office,” Mr. Clark wrote. In one other tweet that was deleted, he wrote that Mr. Sanders ought to “save his finger wagging lecture till after he truly delivers in his personal yard.”The highest of Amazon’s ranks has gone by the largest adjustments in its historical past over the previous two years. Mr. Clark was promoted to run the patron enterprise when Jeff Wilke, a longtime govt, retired. Then Jeff Bezos, Amazon’s founder, stepped down as chief govt final 12 months and named Mr. Jassy his alternative.Beneath Mr. Bezos, Mr. Clark had vital autonomy to construct Amazon’s operations. Mr. Jassy, who had constructed and run Amazon’s cloud computing operations earlier than moving into the chief govt function, has been digging into components of the corporate that had not beforehand been beneath his direct management. He has vowed to systematically handle worker considerations.Final fall, Mr. Clark moved from Seattle, the place Amazon has its headquarters, to Dallas, the place the corporate doesn’t have a serious company presence, which some folks within the group noticed as an indication that his time with the corporate may very well be coming to an finish.