Who is current Secretary of State under Trump?

Donald Trump served as President of the United States from January 2017 to January 2021, and during that time, his Secretary of State was Mike Pompeo. Pompeo held the position from April 2018 until the end of Trump's term in January 2021. If you are inquiring about the current Secretary of State after Trump's presidency, that would be Antony Blinken, who took office in January 2021 under President Joe Biden.