Slack Fund has joined the Salesforce-backed sales coaching platform developer's series B round, boosting its overall funding to $38m

Guru, a US-based provider of sales advice software, has received $25m in a series B round featuring Slack Fund, the corporate venturing subsidiary of workplace collaboration platform developer Slack.

Venture capital firm Thrive Capital led the round, with additional capital coming from fellow VC firms Emergence Capital and FirstMark Capital as well as MSD Capital, the investment vehicle for Michael Dell and his family.

Founded in 2013, Guru has developed an artificial intelligence-based software platform that provides automated advice and…