The Ultimate Pi Day Party

If there's one thing that might get my dad, a retired math teacher, to visit Toronto and have a real conversation with me for the first time in seventeen years, it's a big nerdy Pi Day party. And hopefully this party--and seeing the tech company I built from nothing--will finally be enough to impress him and make him forgive me for everything I did when I was a teenager. But it's got to be a really great party. That's where Sarah Winters comes in. She owns Happy As Pie, a sweet and savory pie sh...