Mary Ann Brennan

Mary Ann Brennan

Chief Operating Officer

Mary Ann Brennan is an Advertising/Marketing, Global Supply Chain/Operations, and Sales leader with 30 years of experience within the Advertising, Retail, Apparel, Telecommunications, Non-Profit, Entertainment, Financial Services and CPG industries.

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Futurist Fan

Jose Lozano

Kyle Allen

Josh Okun

Mark Mitton

Tori Young

Lisa Parker

Sharlene Lytton

Jeff Robertson

Lisa Hillmer-Poole

Duy Do

Sara Hoerner

Maria Twena

Seth Mitchell

Lisa DePoy

Beatriz Acevedo

Federico S. Roland

Marisa Zafran

Doug Greiff

Minh Le

Mary Ann Brennan

Marcus Wesson

Home Office

Houston, TX


Mattel (Barbie, Hot Wheels, Fisher Price, American Girl), adidas, Wells Fargo, Bank of America, Six Flags/Time Warner

At 9thWonder, Mary Ann serves as the Chief Operating Officer. Prior to joining 9thWonder, Mary Ann held various senior level roles for Fortune 500 companies whereby she oversaw large procurement teams and indirect spend of more than $2B for global companies. She built best in class global procurement teams contributing more than $400MM in efficiencies. As a marketer, Mary Ann worked on various brands; Time Warner/Six Flags, Countrywide/Bank of America, Express, The Limited, and Wells Fargo. As a procurement professional she worked on adidas, Yeezy, Reebok, Barbie, Hot Wheels, American Girl, and Fisher Price.

Mary Ann earned her Bachelor of Science degree from the University of Southern California (USC) Marshall School of Business with a dual emphasis in Marketing and Finance.  She is an author, member, teacher and speaker with several trade, education and nonprofit organizations.

Mary Ann has also designed an online certification course which is based off of a recent US Copyright that she authored and published titled “Has Indirect Procurement Earned a Seat at the Curriculum Table?”, helping to transform procurement organizations globally. She is also an adjunct professor at the Los Angeles Fashion Institute of Design Management (FIDM) teaching Strategies in Business Management.