Union Pacific Railroad
Tammy Holtmeier is a seasoned technology leader currently serving as the Sr Director of Technology at Union Pacific Railroad since February 2025. Prior to this role, Tammy held the position of Vice President of Engineering at PS Technology from May 2023 to February 2025. Tammy's extensive career at Union Pacific Railroad also includes serving as Director from June 2004 to June 2023 and Sr. Manager from June 2004 to June 2016. Tammy's earlier experience includes work as a System Analyst at West Corporation and as a Consultant at Modern Solutions Inc., focusing on PeopleSoft. Additionally, Tammy worked as a Programmer Analyst at Mutual of Omaha, specializing in PeopleSoft programming. Tammy holds a Bachelor's degree in Management Information Systems from the University of Nebraska at Omaha.
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Union Pacific Railroad
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Union Pacific (NYSE: UNP) delivers the goods families and businesses use every day with safe, reliable and efficient service. Operating in 23 western states, the company connects its customers and communities to the global economy. Trains are the most environmentally responsible way to move freight, helping Union Pacific protect future generations.