Mary Margaret Hastings Georgiadis is a businessperson who has been at the head of 5 different companies.

She occupies the position of CEO-Partner at Flagship Pioneering and President & Chief Executive Officer for Arches Holdings, Inc. Ms. Georgiadis is also Managing Partner at Synetro Group LLC and on the board of 12 other companies.

In the past she occupied the position of Chief Executive Officer & Director at Mattel, Inc., President, Chief Executive Officer & Director at Ancestry.com LLC, Chief Operating Officer at Groupon, Inc., Partner at McKinsey & Co., Inc. and Partner at McKinsey & Co. (United Kingdom) (a subsidiary of McKinsey & Co., Inc.), Partner at McKinsey & Co., Inc. and Partner at McKinsey & Co. (United Kingdom) (a subsidiary of McKinsey & Co., Inc.), Chief Marketing Officer & EVP-Card Products at Discover Financial Services, President-Americas at Google LLC and Director at The Advertising Council, Inc.

Ms. Georgiadis received an undergraduate degree from Harvard University and an MBA from Harvard Business School.