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Jennifer Hamann was appointed executive vice president and chief financial officer in January 2020. In this role, she is responsible for managing all facets of Union Pacific’s financial activities, controls and policies, including accounting, tax, real estate, investor relations, treasury, audit and capital planning. As CFO, Hamann also will serve on the Grupo Ferroviario Mexicano and TTX Company boards of directors.

Hamann began her Union Pacific career in 1992 as a member of the corporation’s audit staff. In 1998, she moved to the railroad’s Human Resources Department, holding various management positions. Hamann joined the Corporate Treasury group in April 2002, when she was named assistant vice president-Investor Relations. In April 2011, she was named general auditor of the Corporate Audit staff. Hamann moved to Marketing and Sales as vice president and general manager-Automotive in February 2016, a position she maintained until returning to Finance as vice president-Planning and Analysis in October 2017. She was named senior vice president-Finance in April 2019.

She received an MBA from the University of Nebraska at Omaha. She also has fulfilled the requirements and examinations necessary to receive a Certified Public Accountant certificate.

Hamann serves on the LEAD executive advisory council and the board of trustees for the Omaha Community Playhouse. She has served as a former president of Union Pacific’s LEAD (Lead, Educate, Achieve, Develop) women’s initiative and as a member of the board of directors for the Women’s Center for Advancement and Creighton University’s Accounting advisory committee.