. >>> leah van bidder is president of ava sciences in san francisco. she's from switzerland, went to school in canada and had an internship in germany before going back to school in france, then to china, finishing her masters degree in indiana. from indiana, she went to india, where she started, of course, a chocolate factory. >> i'm swiss, so you have to live up to the cliche a little bit. >> okay, second part follow-up question. india. >> and i went to backpack in india when i was 18 and decided it's a wonderful place so i brought chocolate and india together and started a chocolate company in india. >> of course she did. ava is a bracelet that tracks a woman's cycle so she and her partner know when conditions are optimal for pregnancy. we'll talk about all of that, about the device and then just her -- >> chocolate? >> chocolate and she's 28 years old, and she's lived in seven countries? >> wow. >> opened up a chocolate factory. on "press:here" this sunday morning after "meet the press" we'll talk about it at 9:00 a.m. what an interesting person. >