The Senate voted on Wednesday to confirm President Biden’s nominee Lily Batchelder to serve as assistant secretary for tax policy in the Treasury Department.

The upper chamber voted 64-34 to confirm Batchelder, a law professor at New York University and a former Obama administration official, on Wednesday afternoon.

In the key role, Batchelder will serve as senior advisor to Treasury Secretary Janet Yellen for developing and implementing tax policy. She will oversee the Office of the Tax Legislative Counsel, the Office of the International Tax Counsel, the Office of the Benefits Tax Counsel, and the Office of Tax Analysis. 

Prior to the new position, Batchleder served as an aide to Senate Finance Committee Democrats. She was also a law clerk for the panel’s tax office, and worked as a tax associate for Skadden, Arps, Slate, Meagher & Flom.

She has previously expressed support for Biden’s proposal to increase the country’s minimum tax on corporations' foreign earnings. The White House had proposed the increase to help offset costs for Biden’s infrastructure plan. 

Her confirmation comes as the president and Democrats are working to pass major spending plans essential to his economic agenda in his first year in office.