Former Reddit CEO Yishan Wong. Yishan Wong / Quora Reddit CEO Yishan Wong resigned from Reddit after a disagreement about a new office, company adviser Sam Altman wrote in a blog post.

The disagreement had to do with the location and the amount of money to spend on a lease. Wong decided to leave after Reddit's board didn't approve his plan, Altman writes.

Ellen Pao, Reddit's business exec, will be stepping up as interim CEO, and Reddit cofounder Alexis Ohanian will return to a full-time executive chairman position.

Before Reddit, Pao was a partner at Kleiner Perkins; she sued the company and her colleagues for alleged sexual harassment in 2012 in a well-publicized case that started a conversation about sexism in Silicon Valley.

In October, after Reddit raised $50 million in new funding, employees had to either relocate to the company's San Francisco office or leave, The New York Times reports.

Wong recently wrote an extremely frank response to a former employee holding a Reddit AMA about his termination from the company, which reportedly made some current employees uncomfortable.

Here's Altman's complete post: