This post has been updated.

Some of the Republican Party’s biggest fundraisers and wealthiest donors are scheduled to huddle with Donald Trump in New York on Thursday, part of an effort to build stronger ties between the presumptive GOP presidential nominee and the party’s money class.

The sit-down will include a policy briefing for major bundlers who have signed up to help raise money for Trump’s campaign and the Republican National Committee, according to multiple people familiar with the gathering. It's the first major meeting for the Trump Victory National Leadership, a still-forming fundraising organization that aims to bring in hundreds of millions in the coming months.

Among those invited to the morning strategy session and luncheon are senior party fundraisers who are serving as vice chairmen of the Trump Victory Fund, including New York Jets owner Woody Johnson; Wisconsin roofing billionaire Diane Hendricks; Dallas investor Ray Washburne; and Ron Weiser, a national co-chairman for Sen. John McCain's 2008 presidential campaign and a former ambassador to Slovakia. New state chairmen who have signed on in recent weeks also are set to attend, along with RNC Chairman Reince Priebus and finance chairman Lew Eisenberg, who is leading the joint fundraising effort.

The Trump campaign and the RNC did not immediately respond to requests for comment.

Trump is also set to hold a series of one-on-one meetings with major donors in New York this week and Boston next week. The gatherings are part of a larger effort to help some of the GOP’s heavyweight money players get face time with the real estate developer, who spent much of the primary contests bashing wealthy donors.

While party fundraisers have expressed a strong interest in financing a robust operation to defeat Democratic contender Hillary Clinton, many do not have a personal relationship with Trump as they did with previous nominees such as McCain and former Massachusetts governor Mitt Romney. Trump’s recent attacks on a federal judge as biased because of his Mexican heritage have deepened apprehension among some donors about his candidacy. Such reluctance could make it difficult to raise the $500 million that Trump has most recently stated as his goal to collect in conjunction with the RNC.

Still, party officials maintain that they are hearing from many fundraisers around the country eager to help. At least 10 finance events are scheduled to take place in the coming nine days, including fundraisers in Georgia, Houston, Dallas and San Antonio next week.

Sean Sullivan contributed to this report.