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Chicago Mercantile: Certain market data is the property of Chicago Mercantile Exchange Inc. US market indices are shown in real time, except for the S&P 500 which is refreshed every two minutes. “But in nearly 25 years leading this company, Marc has successfully steered Salesforce through the two biggest economic downturns in modern history, and I know he’ll do it again.Your CNN account Log in to your CNN account We’re at a time with an unusual amount of economic uncertainty, and there’s no doubt that makes things harder,” Butterfield wrote. “That’s not to say there won’t be challenges ahead. “Though the time here is coincidental (there’s also no relation to Bret’s announcement we’ve been planning this for a while),” Butterfield wrote, adding that Noah Weiss, SVP of product, will become the new CPO. And last week, the day after Taylor announced his exit from Salesforce, the CEO of Tableau Software, a data visualization company also owned by Salesforce, announced his plans to depart the company. Tamar Yehoshua, Slack’s CPO, and Jonathan Prince, the company’s SVP of marketing, brand, and communications, are also leaving along with Butterfield. Salesforce shares were down more than 4% in midday trading on Monday.

The string of departures raises more questions about Salesforce’s senior management team and its plans to groom a potential successor to founder and CEO Marc Benioff. Lidiane Jones, a VP at Salesforce, will be taking over as the new Slack CEO next month, Butterfield said. Insider first reported the news of Butterfield’s departure. “I’m not going to do anything entrepreneurial,” Butterfield wrote in the note, which was viewed by Fortune, adding that he plans to spend more time with family, gardening, and focusing on his health and personal projects. Butterfield announced the news in a Slack message to the #all-salesforce channel on Monday, calling the timing with Taylor’s departure a “weird” coincidence.

Slack ceo