Twitter employees mainly male and white, says it has 'lot of work to do'

The data is more or less in line with that released earlier by the company's Silicon Valley peers like GoogleGoogle, FacebookFacebook, Yahoo and LinkedInLinkedIn, which showed that both women and blacks are a minority in their companies. Alles zu Facebook auf CIO.de Alles zu Google auf CIO.de Alles zu LinkedIn auf CIO.de

Silicon Valley tech companies have been under pressure to release their employee diversity data after Jackson initiated a campaign to highlight the underrepresentation of African-Americans in Silicon Valley companies, starting with a delegation in March to Hewlett-Packard's annual meeting of shareholders.

Research shows that more diverse teams make better decisions, and companies with women in leadership roles produce better financial results, wrote Janet Van Huysse, TwitterTwitter's vice president for diversity and inclusion in a blog post. She admitted that like its peers the company had "a lot of work to do." Alles zu Twitter auf CIO.de

Men dominate Twitter's worldwide workforce, accounting for 70 percent of all staff, 90 percent of tech staff, and 50 percent of non-tech staff. Male employees also make up 79 percent of the company's leadership.

Twitter has about 3,000 employees worldwide, of which 50 percent are engineers, according to its website.