Former Vice President Joe Biden will attend two high-dollar fundraisers on Wall Street hosted by a real estate executive and an investment banker on Thursday.

Both fundraising events are selling tickets for up to $2,800.

While the Biden campaign has refused to take money from federal lobbyists this election cycle, a major fundraiser at the beginning of Biden's campaign was hosted by a top Comcast executive who supervises the company's DC lobbying efforts but isn't legally required to register as a lobbyist.

On Wednesday night, Biden will participate with nine other presidential candidates in CNN's seven-hour long climate change town hall.

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Former Vice President Joe Biden will attend two high-dollar fundraisers on Wall Street hosted by a real estate executive and an investment banker on Thursday, CNBC reported.

The first party will be hosted by Jack Rosen, the CEO of real estate firm Rosen Partners and president of the American Jewish Congress, and his wife, Phyllis Rosen.

Rosen worked with Russian billionaire Mikhail Fridman to invest $1 million in American real estate in 2011, according to the Wall Street Journal. The New Yorker has also donated to Sen. Cory Booker and New York City Mayor Bill de Blasio this cycle, according to CNBC.

The second event will be held by David Solomon, a partner at investment firm Hildred Capital Partners. Both Thursday events are selling tickets for up to $2,800.

Read more: Joe Biden is selling his 'Uncle Joe' charm instead of competing with other Democrats on big progressive policy ideas

While the Biden campaign has refused to take money from federal lobbyists this election cycle, a major fundraiser at the beginning of Biden's campaign was hosted by David L. Cohen, a top Comcast executive who supervises the company's DC lobbying efforts but isn't legally required to register as a lobbyist.

The former long-time senator has collected more than $500,000 in donations from lobbyists over his 35-year political career, the nonpartisan Center for Responsive Politics reports.

Biden was among the top three recipients of big money in the 2020 primary field in the second quarter of 2019, along with Sen. Kamala Harris and South Bend Mayor Pete Buttigieg. Meanwhile, two other 2020 frontrunners, Sens. Elizabeth Warren and Bernie Sanders, have sworn off big dollar fundraisers.

Before Biden heads to Wall Street this week, he'll participate in CNN's seven-hour long climate change town hall, where he'll be joined by nine other presidential candidates to talk climate policy on Wednesday night. The Delaware Democrat released his $1.7 trillion plan to fight climate change in June.