Business 100 - 2011

Mary Ann Fitzmaurice Reilly/American Express Open

As the senior vice president and general manager of Customer Marketing & Engagement of American Express OPEN, Mary Ann Fitzmaurice Reilly leads OPEN’s brand, digital and marketing strategies. Her responsibilities also include leading the OPEN client management organization. Mary Ann began her career at American Express in 1990.

She was previously the SVP of Partnerships & Business Development for OPEN.  Before joining OPEN, Mary Ann ran customer acquisition and engagement for consumer card services and formerly served as Vice President of Business Alliances.  She developed partnerships for the Membership Rewards program, signing deals with companies such as Home Depot and Staples, and was instrumental in the launch of the Costco co-brand relationship.

She is a CPA and a graduate of St. Bonaventure University with a BA in business administration. As a second-generation Irish American with roots in Galway and Louth, she believes her heritage has given her “strength and a little dose of ‘Irish guilt.’”