Ex-Blackstone Investor Raises $7M for Meridian, Private Equity's New AI Operating System
NEW YORK--(BUSINESS WIRE)-- Meridian, the AI-powered deal management platform for the private markets, today announced its $7 million Series Seed fundraise. The round was led by 645 Ventures with participation from existing investor Chaac Ventures. Meridian also welcomed a group of high-impact angel investors – industry leaders from private equity, credit, and M&A law, many of whom have actively shaped Meridian as early users.
"Private equity still runs on fragmented, manual systems: clunky software, Excel trackers, and scattered third-party data subscriptions. We're building software that finally reflects how top investment teams source and diligence deals."
Founded by Alexander Sen, a former investor at Blackstone, Thoma Bravo, and CVC, Meridian is building the AI operating system for private market investors. The company combines modern CRM with deep workflow automation and proprietary AI agents to solve the core operational pain points of the world's leading investors – from deal origination to exit.
'Private equity still runs on fragmented, manual systems: clunky software, Excel trackers, and scattered third-party data subscriptions,' said Alexander Sen, founder and CEO of Meridian. 'We're building software that finally reflects how top investment teams source and diligence deals – and we've vertically integrated AI to enable workflows that were never possible before.'
Meridian brings together a team of over 25 across New York and Miami, with experience spanning enterprise software, AI infrastructure, and capital markets. The company has also hired an experienced customer team who guide firms through the most important technological shift facing private markets today.
At the heart of the platform is Scout, Meridian's AI engine. Scout powers intelligent agents that map markets, pinpoint the right companies, automate core evaluation workflows, and surface relationship signals where they matter most. It helps firms spot high-conviction deals before the market does – giving teams a decisive sourcing and diligence edge.
Meridian has to date focused on the top of the market, helping some of the world's largest private equity and credit firms run better, more intelligent deal sourcing and evaluation processes. The platform is quickly gaining share at top 100 firms and is now expanding into LPs, investment banks, and global hedge funds – reflecting a broader shift toward modern infrastructure across every layer of private company investing.
'There's a generational shift happening in private markets – more complexity, more competition, and more data,' said Nnamdi Okike, Managing Partner at 645 Ventures. 'AI is a game changer for private market deal sourcing, due diligence and deal management. Firms that do not leverage AI in this new market will be left behind. We were particularly drawn to Alex's insights into how AI will transform private markets, which were developed through his experience in private equity. Meridian is arming investors with the system they'll need to win.'
The funding will be used to expand Meridian's AI capabilities, accelerate product development, and scale go-to-market efforts globally.
'Private market firms are under pressure to move faster, operate leaner, and make sharper decisions,' said Sen. 'Software is no longer just overhead at private equity firms – it's become a source of edge. The best investors are treating technology and data as central to how they generate outsized returns.'
To request a demo or learn more, visit www.meridian-ai.com.
About Meridian
Meridian is the AI-native operating system for institutional private markets. The platform combines next-generation deal software, massive datasets, and intelligent agents into a single system that helps investors originate, evaluate, and execute with greater speed and precision.
Founded by Alexander Sen, a former investor at Blackstone, Thoma Bravo, and CVC, Meridian serves private equity, credit, and broader financial services firms engaged in M&A. The company is headquartered in New York and Miami, with a team of product builders, engineers, and customer leaders with deep experience across enterprise software and private markets. Learn more at www.meridian-ai.com.
About 645 Ventures
645 Ventures is an early-stage venture capital firm that partners with exceptional founders building iconic companies. The firm invests at the Seed and Series A stages and supports founders through its proprietary software platform Voyager and deep Connected Network. 645 Ventures manages over $550M in AUM across five funds. Learn more at www.645ventures.com.
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