Presumptive Democratic presidential nominee Hillary Clinton welcomed the support Thursday of her former rival, President Barack Obama, and says she looks forward to campaigning with him beginning next week.

“It just means so much to have a strong, substantive endorsement from the president. Obviously I value his opinion a great deal personally,” Clinton said in an interview with Bloomberg Politics, timed to the release of a video in which her 2008 primary opponent endorsed her. “It’s just such a treat because over the years of knowing each other, we’ve gone from fierce competitors to true friends.”

The two will appear together in Green Bay, Wisconsin, on Wednesday, the Clinton campaign said. “I want to be out there with him and have a chance to campaign with him,” she said. “The president has said he thought his job was to remind the American people what a serious responsibility the presidency was. We’re choosing a president and commander-in-chief and he’s uniquely able to talk to the American people about the knowledge, experience and temperament that the presidency requires.”

Clinton spoke shortly after her opponent for the Democratic nomination, Vermont Sen. Bernie Sanders, met with the president at the White House. Addressing reporters after the meeting, Sanders said he would stay in the race through the District of Columbia primary on Tuesday, but struck a conciliatory tone as he stressed that his focus is on stopping Donald Trump from becoming president.

He also said he hopes to meet with Clinton soon, and she said that a meeting is on the horizon. “We’re gonna look for a time that works for both of us as soon as we can get it scheduled,” she said.

Asked about her interactions with Massachusetts Sen. Elizabeth Warren, who’s seen as a possible vice presidential pick and a key figure in rallying the left after the primary season, Clinton said the two have spoken throughout the primary season.

“Of course I’ve spoken with Senator Warren in the last few weeks,” Clinton said. “We’ve stayed in touch over the campaign and I’m very much looking forward to having her good advice and counsel as we move to the general election campaign. I have the highest regard for her.”

The most recent conversation between the two that had been made public was a late 2014 sit-down at Clinton’s Washington home.

Clinton added that she plans to work with Warren and others about how to implement her plans to rein in Wall Street.

“One thing that I’m particularly focused on, which I know means a lot to Senator Warren, is protecting the Consumer Protections Bureau and also protecting Dodd-Frank and the regulations that were put on Wall Street after the great recession from the promise to repeal them by Donald Trump,” she said.

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