Former President Barack Obama has also endorsed Vice President Harris.
Vice President Kamala Harris wrapped up what has been a whirlwind week in the presidential race with her campaign saying Sunday it has raised more than $200 million in less than a week.
On Thursday night, Harris met with Israeli Prime Minister Benjamin Netanyahu and took the lead in addressing the public about their discussions.
Harris has secured commitments from enough delegates to become the presumptive nominee if they all honor their commitment when voting, according to ABC News reporting.
Michigan Gov. Gretchen Whitmer was the final holdout of potential Biden replacements to throw her support behind the vice president.
"Today I am fired up to endorse Kamala Harris for the President of the United States," Whitmer posted to X on Monday.
-ABC News' Isabella Murray
Illinois Gov. JB Pritzker backed Harris on Monday.
"I am proud to endorse Vice President @KamalaHarris for President of the United States," he wrote in a post on X.
Pritzker is one of the final potential Biden replacements to throw is support behind the vice president.
-ABC News' Isabella Murrary
Minnesota Gov. Tim Walz, who is also the co-chair of the DNC's rules committee and the chair of the Democratic Governors Association, voiced his support for Kamala Harris in an X post on Monday.
"Thanks for the call, @KamalaHarris. You have my full support," Walz wrote. "Let's go win this thing."
Sen. Dick Durbin, the Senate's No. 2 Democrat, publicly endorsed Harris Monday morning.
"I'm proud to endorse my former Senate colleague and good friend, Vice President Kamala Harris. Our nation needs to continue moving forward with unity and not MAGA chaos," Durbin wrote in a statement.
"Vice President Harris was a critical partner in building the Biden record over the past four years. Count me in with Kamala Harris for President," Durbin added.
-ABC New's Allison Pecorin
