Mary Ziegler

Mary Ziegler, CFA, is a corporate development and M&A professional at AT&T, where they focus on executing mergers, acquisitions, and strategic transactions. With over five years of broader finance expertise, Mary is skilled in financial modeling, valuation, due diligence, and cross-functional leadership. Previously, they worked as a Global Research Summer Associate in equity research at Bank of America Merrill Lynch, and served as a corps member with Teach For America. Additionally, Mary has a background as a professional French horn player with the Charlotte Symphony and briefly held a role as a content manager at Quiver Quantitative.