How Slack has made its US workforce more diverse than other Silicon Valley companies by forgoing a diversity chief and focusing on hiring efforts from the start
Last week, Slack, the company whose popular, plaid-themed messaging app has simplified office communications and introduced custom fox emoji … Facebook: Cindy Gallop . Tweets: @cultureshiftlab , @mediadissector , @vauhinivara , and @kennethn Facebook: Cindy Gallop : Take note, ad industry. — 'What's notable about this is that Slack … Tweets: Culture Shift Labs / @cultureshiftlab : Kudos to @SlackHQ who is outperforming other SV companies when it comes to employing minority employees. Women make up 31% of leaders & hold 34% of technical roles. In Slack's US biz, percentages of underrepresented minorities are 3X that of peers. https://www.theatlantic.com/ ... MediaMaven / @mediadissector : How Slack became a leader in hiring diverse staff: it was flexible, made rigorous rules in how it interviewed candidates to eliminate bias, and made it so diversity was a mission throughout the company, not just one dedicated person: https://www.theatlantic.com/ ... Vauhini Vara / @vauhinivara : An inside look, from @jessnordell, at what @SlackHQ has done right (and could do better) to make its workforce more diverse than most big tech companies. https://www.theatlantic.com/ ... Ken Norton / @kennethn : “At Slack, the absence of a single diversity leader seems to signal that diversity and inclusion aren't standalone missions, to be shunted off to a designated specialist, but are rather intertwined with the company's overall strategy.” https://www.theatlantic.com/ ...
Context & Ripple Effects
Slack's diversity numbers stand out because of how they were produced, not just what they show: rather than appointing a chief diversity officer, the company pushed bias-reducing practices into ordinary hiring and made inclusion a leadership-wide responsibility. That builds on an early habit of transparency — its 2015 diversity report already flagged that 41% of employees had a woman as their manager, an unusually granular metric for the time.
The contrast with peers is sharp. Most big tech companies still decline to publish their government-mandated EEO-1 data — only 22 of 211 surveyed did so per Reveal's disclosure survey — and later reporting found tech giants' pledges kept falling short on retaining Black and Latinx employees, making Slack's hiring-first model a live counterexample.
First-order effects
- Slack's US workforce outperforms Silicon Valley peers on underrepresented groups, with women holding 34% of technical roles and 31% of leadership — results it attributes to embedding diversity in hiring rather than a dedicated executive.
Second-order effects
- Rival tech companies that rely on chief-diversity-officer structures now face a direct comparison point, and Slack's willingness to publish detailed figures raises pressure on the roughly 190 surveyed companies still withholding EEO-1 data.
Third-order effects
- If the pattern holds, the industry's center of gravity shifts from symbolic diversity leadership roles to process-level hiring changes — and from one-time pledge announcements to retention metrics as the measure that matters.
The trend: Tech diversity strategy is moving from appointed executives and public pledges toward embedded hiring practices and measurable outcomes, with Slack as the early proof case.