@marcvarta

Reporter covering tech for the New York Post / California Post

 Bay Area, CA
Joined July 2009
  • Tweets897
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52Media
News: Polymarket has fired Matthew Modabber — its head of marketing and confidant of CEO Shayne Coplan — following a string of scandals he caused for the company. nypost.com/2026/10/22/busine…

Exclusive | Polymarket fires top executive who was closely allied with CEO Shayne Coplan: sources

Matthew Modabber – who has served as Polymarket’s chief marketing officer – has been ousted following an internal probe that began earlier this year over a string of headline-grabbing incidents.

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Latest piece. A series of video calls between Native American casino dudes and Kalshi spiraled out of control -- 'Lying little twerp!' nypost.com/2026/09/25/busine…

Inside Kalshi CEO Tarek Mansour's testy relationship with Indian casinos -- and how it could pose...

Kalshi’s dicey relationship with Native American casinos went south after CEO Tarek Mansour held unsuccessful talks to mend differences with tribal leaders – resulting in a flurry of lawsuits.

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Cuck rumors, sex gossip, hair pulling and other tea in my latest story on the made-for-tabloid Polymarket vs Kalshi feud nypost.com/2026/07/31/busine…

Sex rumors, screaming in the office and fights over Trump Jr.'s affection: Inside the vicious...

The bitter feud between the bosses of Polymarket and Kalshi has been even more vicious and petty than previously known, The Post has learned.

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Marc Vartabedian retweeted
New York Post
@nypostJun 3
Polymarket believes archrival Kalshi could be spying on its NYC offices, employees: 'Too many coincidences' trib.al/VZJMuSy
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New Exclusive: Polymarket is searching for a Kalshi spy in its office nypost.com/2026/06/03/busine…

Exclusive | Polymarket believes archrival Kalshi could be spying on its NYC offices, employees:...

“There is bad intention in how they copy us. They’re breathing down our neck," Polymarket’s Matthew Modabber told The Post.

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My first story since joining the New York Post / California Post: OnlyFans's big sale is getting brokered by Wall Street legend Ken Moelis's investment bank after struggling to shake its dirty image. nypost.com/2026/02/20/busine…

Exclusive | Moelis & Co. to help OnlyFans sell majority stake despite porn stigma: sources

"The company had been struggling to find a buyer largely because of the porn stigma. But it has incredible financials that are very attractive," a source said.

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Latest article featuring some wild stories about the VC feeding frenzy for AI right now. One VC agreed to give a founder $10M in a hotel suite party at 2am. wsj.com/articles/vcs-had-no-…

VCs Had No Time Off This Summer. Blame AI.

No summer lull, no breather on weekends and deals that can get snatched up in an evening: The metabolism of venture has been dialed even higher by fierce competition for AI startups.

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Hardware startups race to mitigate tariff pain. wsj.com/articles/startups-sc…

Startups Scramble to Mitigate Tariff Pain

Many hardware technology startups find their supply chains particularly vulnerable.

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Hoan Ton-That tested the legal and technological limits of facial-recognition AI with his startup Clearview. He resigned from the company earlier this year. His Next Project? Private Credit wsj.com/articles/hoan-ton-th…

Exclusive | Hoan Ton-That Pushed Facial-Recognition AI to New Limits. His Next Project? Private...

Co-founder of the controversial Clearview AI has joined Architect Capital as chief technology officer to develop a novel strategy to increase leverage.

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Amid January’s historic fire, Los Angeles County sent evacuation alerts to some parts of suburban Altadena too late. The consequences were grave. wsj.com/us-news/eaton-fire-a… via @WSJ

How Botched Alerts Turned This L.A. Neighborhood Into a Fiery Death Trap

Amid January’s historic fire, Los Angeles County sent evacuation alerts to some parts of suburban Altadena too late.

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In addition to botched alerts, we report, per internal documents, that on Jan. 7, roughly 28% of the department’s front-line large pumper engines were out of service, mostly with mechanical issues.
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Also, citing internal docs and sources, half of the county fire department’s 10 helicopters, which can drop water, were out of service on the morning of Jan. 7, mostly for mechanical issues
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My latest story about going out with a damage inspector on her first day on the job in the rubble of the LA fires wsj.com/us-news/our-reporter…

Our Reporter Deployed With an L.A. Fire-Damage Inspector. Here’s What He Saw.

Tallying each property’s condition, the assessments can be a family’s first official word on whether their home—and neighborhood—was destroyed.

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New story on venture capitalists' influence in local SF election races: wsj.com/articles/venture-cap…

Venture Capitalists Wanted to Give San Francisco a Moderate Makeover. The Results Were Mixed.

The city’s board of supervisors tilted away from progressive candidates, but a former VC lost his mayoral bid.

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Marc Vartabedian retweeted
Yuliya Chernova@ychernova5 Nov 2024
VCs stirred the political pot during this election. LPs weren't thrilled. Some VCs said they got a lot of support from LPs. But we also heard of a case of individual LPs backing out of a fund due to the manager's activism. wsj.com/articles/venture-inv…

Venture Investors Stirred the Political Pot This Year. LPs Weren’t Thrilled.

Limited partners hope that temperatures cool and VCs get back to their day jobs.

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For Halloween I wrote about the black cat lobby’s fight for feline justice wsj.com/lifestyle/black-cat-…

‘Maybe You’re Bad Luck.’ Black Cat Nation Strikes Back

Fed up with the persistent belief that the felines are bad news, supporters are rushing to their defense. ‘Black Cat November.’

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In today’s weekend Review section my story about a congregation struggling to survive: “Two can’t walk together unless they be agreed.” wsj.com/lifestyle/keep-old-t…

Essay | Keep Old Traditions or Adapt? A 19th-Century Church Struggles to Survive.

A congregation founded to separate itself from the modern world tried relaxing its rules to retain members but lost them instead

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Marc Vartabedian retweeted
Yuliya Chernova@ychernova25 Jun 2024
There’s a problem with the 2021 venture capital fund vintage, as our article in @WSJVC explains, with @marcvarta wsj.com/articles/why-venture…

Why Venture Capital Is Weighed Down by Its 2021 Vintage

Investors poured an unprecedented amount of money into venture-capital funds about three years ago at the peak of the venture market’s recent boom. Those funds haven’t aged well so far. 

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In boom years like 2021, venture funds yielded returns of 35%. Now they're down to 6%. Latest story on how venture became less lucrative in charts. wsj.com/articles/how-venture…

How Venture Capital Became Less Lucrative

An asset class that once yielded nearly 35% sank to roughly a 6% yield.

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Marc Vartabedian retweeted
Katherine Blunt@KatherineBlunt6 Dec 2023
I usually tweet for energy folks, but today, it's for anyone with children. A thread: My colleague @JeffHorwitz and I have been investigating child-safety issues on Facebook and Instagram. We all know bad actors exist on the internet, but on these platforms, it's more than that.
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