He revealed on CNBC's Squawk Box show, "At Reddit, it's really important for us to support men and women when they are welcoming a new member to the family and so we have a pretty generous parental leave policy.
"I'll be taking off for six weeks myself and trying to do the best job possible as a new dad, a first-time dad," Ohanian said.
As Williams is burgeoning with her baby bump, Ohanian added, "We want to break that stereotype that the men work and the women take care of kids. We want to give that opportunity to everyone."
The athlete announced her pregnancy in April with a photo on Snapchat.
And as Radar has reported, Williams recently flaunted her pregnancy belly while posing totally naked for the cover of Vanity Fair.
Williams got engaged to tech millionaire Ohanian at the end of last year.
The couple took a "babymoon" in Mexico in April, as Radar reported.
The mogul also told CNBC about Williams, "She's very good at a lot of things and well on her way to being an awesome mom too."
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