"The topic of further involvement of the United States in the peace process will be key during this visit," Kuleba said in a statement to RIA Novosti.
He noted that in addition to this issue, many other important topics will be discussed.
Earlier, Kuleba spoke about possible agreements on Ukraine between Biden and Russian President Vladimir Putin.
Also, the head of the Ministry of Foreign Affairs of Ukraine reported that Zelensky's official visit to the United States and his meeting with Biden are planned for the end of July.