Jared Corey Kushner (born January 10, 1981) is an American investor, real-estate developer, and newspaper publisher who is currently senior advisor to US President Donald Trump.
 Kushner is the elder son of real-estate developer Charles Kushner, and is married to Trump's daughter Ivanka.
 He was chief executive officer of the real-estate holding and development company Kushner Companies, and of Observer Media, publisher of the "New York Observer".
 He is the co-founder and part owner of Cadre, an online real-estate investment platform.
Brad Parscale (born January 3, 1976) is an American digital media and political strategist.
 He served as the digital media director for Donald Trump's 2016 presidential campaign.
 Parscale began working for the Trump Organization in 2011, developing and designing websites, and creating and managing digital media strategies.
 In early 2015, Trump hired Parscale and his firm, Giles-Parscale, to create a website for his exploratory campaign.
 When Trump declared himself a Republican candidate in 2015, one of the first people he called was Parscale, asking him to update his exploratory campaign site into a "full-fledged presidential campaign website."
 Throughout the Republican primary, Parscale was responsible for the Donald J. Trump for President website, as well as for digital media strategy and online fundraising campaigns.
 In June 2016, Parscale was officially named digital media director for the Donald J. Trump for President campaign, overseeing all aspects of digital media and online fundraising, as well as traditional media strategy, like radio and television placements.
 In January 2017, Parscale, along with another senior Trump aide, Nick Ayers, formally launched America First Policies, a non-profit organization that promotes President Trump's agenda and White House initiatives.
Hasan Abdullah Ismaik (Arabic: حسن عبدالله إسميك‎ ‎ ) is a Jordanian businessman and Chairman of Hasan Abdullah Mohammed Group (HAMG Group), a UAE-based group of investment companies founded by Ismaik in 2006.
 He owns Marya Development & Real Estate Investment LLC, a private investment company in the United Arab Emirates with a diversified investment portfolio that includes projects worth US$4 billion.
 He is the Chairman and majority shareholder of the German sports club TSV 1860 Munich; Chairman of Al-Ashmal Real-Estate Investment Co. in Jordan; Vice Chairman of Al Manara International Jewellery in Abu Dhabi, and Chairman of publicly-listed Masaken for Land and Industrial Development Projects (Masaken Capital).
 In 2014, Forbes Magazine listed Ismaik as the first Jordanian billionaire and the third-youngest billionaire in the Middle East.
On June 9, 2016, a meeting was held in Trump Tower in New York City between three senior members of the presidential campaign of Donald TrumpDonald Trump Jr., Jared Kushner, and Paul Manafortand at least five other people, including Russian lawyer Natalia Veselnitskaya.
 The meeting was arranged by publicist and long-time Trump acquantiance, Rob Goldstone on behalf of his client, singer-songwriter Emin Agalarov.
 It was disclosed to U.S. government officials when Kushner filed a revised version of his security clearance form.
Neighborly is a San Francisco-based online investment platform that allows individuals to invest in civic projects through municipal bonds.
 Company began as a donation-based civic crowdfunding platform for civic projects.
 Neighborly has since evolved toward becoming an investing platform.
 Neighborly provides publicly available finance information on its website and sells municipal securities through its affiliated registered broker-dealer, Neighborly Securities.
Interactive Investor (II) is an online trading and investment platform based in London.
 The group offers retail investors an investment service to manage and trade shares, funds and bonds via trading accounts, ISAs and SIPPs.
 Its website provides content which is intended to support investors in making the difficult and complex decisions associated with online trading and investment.
Fundrise is an online real estate investment platform.
 Fundrise has been labeled as the first company to successfully crowdfund investment into the real estate market.
"Basket of deplorables" is a phrase from a 2016 presidential election campaign speech delivered by Democratic nominee Hillary Clinton on September 9, 2016, at a campaign fundraising event, which Clinton used to describe a faction of supporters of her general election opponent, Republican nominee Donald Trump.
 Clinton later said that she "regrets saying half [of Trump's supporters]", and the Trump campaign repeatedly used the phrase against her during and after the 2016 presidential election.
 Many Trump supporters adopted the "Deplorable" moniker for themselves.
 After Clinton's loss, some journalists and political analysts questioned whether or not the speech played a role in the election's outcome.
Sumit Jain (born 13 June 1984) is an Indian software engineer and Internet entrepreneur, He started online real-estate portal commonfloor.com for property seekers in 2007.
 Prior to that, he used to work with Oracle.
 As the co-founder and CEO, Sumit is responsible for driving the strategic direction for Commonfloor.com as well as delivering on company goals
Patch of Land is an online peer-to-peer or 'peer-to-professional' real estate crowdfunding marketplace that connects professional real-estate developers needing to finance their real-estate projects to willing lenders or real-estate investors.
 Patch of Land focuses uniquely on relatively short-term (typically 6–24 months) real-estate debt or fixed-income loans (as opposed to real-estate equity investments) and, like a mortgage, all their debt-investments - offering returns typically between 8% to 14% annually - are fully secured via first lien by the underlying real-estate property, as well as a personal pledge by the borrower.

Question: What online real-estate investment platform was cofounded by a participant in the Trump campaign–Russian meeting?
Answer: Cadre