An honors graduate of Harvard College with a degree in Applied Mathematics and Economics, Joanne left a career as a management consultant to enter the world of professional cooking.

She started as garde-manger cook at Boston's renowned Biba restaurant, then worked as a pastry cook at Bentonwood Bakery in Newton, and in 1995 was hired as Pastry Chef at Rialto restaurant in Cambridge.

Joanne moved to New York City in 1997 to work in the cake department of the critically acclaimed Payard Patisserie and Bistro. Returning to Boston a year later with dreams of opening up her own pastry shop, she brought her French and American training to Mistral where she was the Pastry Chef until summer of 2000.

In 2000, she opened Flour, a bakery and café, in Boston's South End. Flour features breakfast pastries, breads, cakes, cookies, and tarts as well as sandwiches, soups, and salads. There are now 7 locations of Flour in Boston and Cambridge. 

In 2007 she and Christopher opened Myers+Chang to bring the food that she grew up with along with the hospitality that Christopher was known for to Boston. Myers+Chang was awarded 4 stars by The Boston Globe in September 2007 at their 10th anniversary.

She is the author of four cookbooks: Flour, Spectacular Recipes from Boston's Flour Bakery+Cafe and Flour Too, Indispensable Recipes for the Cafe's Most Loved Sweets and Savories, Baking with Less Sugar: Recipes for Dessert using Natural Sweeteners and Little-to-No White Sugar, Myers+Chang at Home: Recipes from the Beloved Boston Eatery, and currently working on her fifth cookbook Pastry Love, All my Favorite Recipes, which will be available Fall 2019. Joanne is the winner of the 2016 James Beard Award for Outstanding Baker.