Biography
His own biography lists 5by, acquired by StumbleUpon, and Islands, acquired by WeWork. He also describes advising Reddit and TikTok on product and growth.

HOST / FOUNDER
Host of The Startup Ideas Podcast; CEO of Late Checkout
Greg Isenberg leads Late Checkout, a holding company that starts internet businesses around audiences and communities.
His own biography lists 5by, acquired by StumbleUpon, and Islands, acquired by WeWork. He also describes advising Reddit and TikTok on product and growth.