The House Intelligence Committee is set to have three days of public hearings, with a total of eight witnesses expected to testify before the panel.
On Tuesday morning, Lt. Col. Alexander Vindman, the leading Ukraine expert on the White House National Security Council, and Jennifer Williams, an aide to Vice President Pence, are slated to appear before the committee. Former special envoy to Ukraine Kurt Volker and Timothy Morrison, a Ukraine and Russia expert on the National Security Council, are expected to appear later in the day.
On Wednesday, Gordon Sondland, the U.S. ambassador to the European Union; Laura Cooper, the deputy assistant secretary of Defense for Russian, Ukrainian and Eurasian affairs; and diplomat David Hale are scheduled to appear.
And on Thursday, Fiona Hill, a former top National Security Council staffer who covered Europe and Russia, will testify.
Much of the spotlight heading into the second round of hearings has focused on Sondland, a Trump donor whom the president has tried to distance himself from in recent days.
https://thehill.com/blogs/floor-action/scheduling/470868-this-week-round-two-of-house-impeachment-inquiry-hearings