Tami Reller


Executive Vice President

Tami Reller serves as executive vice president and leads the Optum Growth organization, which includes the Growth Office, Brand and Marketing, Optum International and OptumLabs.

Previously, Reller served as chief financial officer for Optum, a role she held following successful leadership of the company’s strategic brand and marketing initiatives.

Reller joined Optum in 2014 following an accomplished, 13-year career at Microsoft that included numerous executive leadership roles across Finance, Marketing and Product. Her time at Microsoft included five years as a corporate vice president for the Windows division, when she held dual roles of chief financial officer and chief marketing officer for Windows. She subsequently served as divisional co-leader for the Windows and Surface product businesses in addition to her Finance and Marketing accountabilities. Following this role, she consolidated all Marketing at Microsoft into one organization and provided leadership for the function.

Prior to Microsoft, Reller served as chief financial officer for Great Plains Software, a role she held through the company’s acquisition by Microsoft in 2001. She has an M.B.A. from Saint Mary’s College of California and a B.A. from Minnesota State University, Moorhead.