The chairman of the National Endowment for the Humanities (NEH) is resigning effective Tuesday — the same day the Trump administration will roll out a federal budget blueprint expected to make big cuts to domestic programs.

William Adams, who has chaired the NEH since 2014, announced his resignation in a statement on Monday. Deputy Chairwoman Margaret Plympton will take over as acting chairwoman after his departure.

“Leading this important organization has been one of the most exciting and gratifying experiences of my life,” Adams, the former president of Colby College, said. “I’m especially appreciative of the excellent and dedicated staff of the agency, who taught me so much about the importance of the humanities and the innovative and meaningful work that is going on at NEH and across the country.”

President Trump's preliminary budget proposal released in March called for the total elimination of the NEH and the National Endowment for the Arts. The government funding bill passed by Congress and signed by Trump earlier this month funds the NEH through the end of the fiscal year, with a $2 million increase.

“We’re encouraged that Congress and the President increased our funding for the current year and that the White House has initiated the process of bringing new political appointees to the agency,” Adams said in the statement.

It's unclear what kind of funding the endowment will receive in Trump's 2018 budget blueprint, which is set to be rolled out on Tuesday.