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For some of Silicon Valley’s biggest names, Mark Dyne is the person they turn to when they need help dealing with thorny business and personal problems.

Last year, Alex Bouaziz, CEO of $17 billion payroll startup Deel, was several months into an escalating legal battle with an archrival, Rippling, when he texted one of his investors, Ben Horowitz, about an issue. He alerted Horowitz to a recent podcast in which Rippling CEO Parker Conrad had criticized Horowitz’s venture capital firm, Andreessen Horowitz, for standing by Deel amid a corporate spying scandal. (Rippling had sued Deel in March 2025, accusing it of paying a Rippling employee to snoop on Deel’s behalf.)

Bouaziz assured Horowitz someone was handling the matter. “Mark (the wolf) is on this,” he wrote in a text message that emerged last month as part of the litigation between Deel and Rippling.

Bouaziz was referring to Mark Dyne, a South Africa–born jack-of-all-trades—part investor, part deal negotiator, part legal strategist—who caters to influential tech executives and investors with thorny business and personal problems to solve. The nickname some of his clients use for him, The Wolf, speaks to Dyne’s skills in cleaning up an array of legal and personal problems on their behalf. According to two of Dyne’s clients, it’s also a joking reference to the tuxedoed character in “Pulp Fiction” played by Harvey Keitel, who is called in to get rid of a dead body and clean up a blood-splattered car.

Dyne’s work is far less grisly. He gets called in to organize surveillance of rivals for his clients during high-stakes litigation and to serve as an intermediary in sensitive personal conflicts, according to people familiar with his services, including past clients. He also helps distressed companies shut down and organize rescue financing, and he reincorporates businesses offshore to protect clients from litigation, those people said. Dyne typically gets paid a retainer, sometimes with extra compensation if he successfully negotiates a deal, according to court records and a person who has heard Dyne describe his arrangement with a client.

After Dyne began advising Deel, the company hired a law firm that he has had a long association with, Skadden, Arps, Slate, Meagher & Flom, which countersued Rippling for defamation. And according to a person familiar with the matter, Dyne advised Deel to hire crisis communicator Michael Sitrick, who has represented wrestling entrepreneur Vince McMahon, Kobe Bryant and Jeffrey Epstein’s lawyer. (Deel later withdrew its defamation suit and filed a separate countersuit against Rippling; the litigation between the two companies is ongoing.)

Over the years, Dyne has gotten close to Egon Durban, founder of private equity firm Silver Lake, who entrusted Dyne with acting as a litigation strategist and mediator for a housing analytics startup, HouseCanary, where Durban was an investor and board director, according to people familiar with the situation. In 2016, he advised Silver Lake during a crisis involving Nikesh Arora, now CEO of Palo Alto Networks, who was under fire at the time over potential conflicts based on his dual roles at Silver Lake and SoftBank.

Dyne has worked for Flannery Associates, a group backed by Marc Andreessen, Reid Hoffman and other tech billionaires, which is seeking to build a tech-friendly city called California Forever in rural Solano County, Calif. Recently, Dyne has been involved in hammering out agreements with property owners in the area to settle litigation between Flannery and the property owners and to buy their land.

In a recent settlement meeting with a lawyer who represented some of those property owners, Dyne introduced himself as having “a lot of rich friends,” according to contemporaneous notes taken by the lawyer. “I have worked on a lot of matters for a lot of different people, for a lot of different companies,” he said.

“I am the fixer,” Dyne added, according to the lawyer’s notes.

An attorney representing Dyne denied in a letter to The Information that his client had ever made such a statement. However, the About page for Morpheus Ventures, a Los Angeles–based investment firm Dyne founded, uses the term to describe the services it provides clients.

“We are…professional fixers for complex situations,” it reads.

“The way we see the world, gone are the days when startups simply have a clear and linear path from Series A to unicorn,” Morpheus’ website continues. “Nowadays, something or someone will try to block their path—a competitor, regulator, customer, rogue employee, or attorney general. That’s where we come in.”

When I called Dyne’s phone recently, the person who answered denied that he was Dyne, despite the fact that a subsequent WhatsApp message sent to the same phone number displayed Dyne’s photo. “You have an old number of his,” said the person who answered the call, speaking with a noticeable South African accent. He then promptly hung up. The next day, Dyne’s LinkedIn account was deactivated.

Dyne’s early career in business took him on a winding journey through entertainment, videogames and file sharing. Starting in 1992, he was a co-CEO of the Australian arm of Sega, the Japanese videogame publisher, where in 1997 he launched a $70 million theme park, Sega World, in Sydney. It quickly closed due to low turnout.

Around the same time, he co-founded Brilliant Digital Entertainment, which made interactive CD-ROM movies. People who interacted with Dyne around this time recalled him as an irrepressible dealmaker. In the late ’90s, Jordan Mechner, the creator of the Prince of Persia videogame series, had a lunch meeting with him, in which Dyne “spun off financing ideas like a Roman candle throwing off sparks.”

“My kind of guy,” Mechner wrote in a diary entry at the time, which he published on his personal website.

A big break for Dyne came after he founded a Los Angeles–based advisory firm, Europlay Capital Advisors, in 2001. He got close to a couple of European entrepreneurs, Janus Friis and Niklas Zennström, who were developing a file-sharing service, Kazaa, that jumped into the void left behind by the shutdown of Napster.

Dyne helped Friis and Zennström move Kazaa’s intellectual property into corporate entities in Vanuatu and the British Virgin Islands, which would make it harder for record companies, movie studios and others to pursue litigation against the company, according to court filings. Then Dyne allegedly helped them cripple its rival, StreamCast Networks, by cutting off access to Kazaa’s underlying peer-to-peer file-sharing technology, on which StreamCast had relied, according to a lawsuit Streamcast filed against Europlay, Zennström and Friis that a judge later dismissed.

Even before Dyne worked for Kazaa, he already was familiar with StreamCast: It, too, had been his client. The company had previously hired Europlay to help it raise cash, according to court filings.

In 2006, Dyne countersued StreamCast for allegedly breaching an earlier agreement that barred it from suing Europlay. StreamCast settled the case and soon filed for bankruptcy.

Despite the litigation, there seems to be no hard feelings over the episode on the part of StreamCast founder Steve Griffin. He said Dyne was at turns hard-nosed and generous (Dyne once loaned him $200 for a rental car).

“One moment he’s talking about his children, and the next moment he’s a corporate shark,” Griffin said in an interview. “He’s a chameleon.”

In 2003, Dyne helped Zennström and Friis launch a new company: Skype, which used Kazaa’s underlying software to power its voice-call technology. Dyne became a seed investor and Skype board member.

After Skype sold itself to eBay for $2.6 billion in 2005, its new parent company struggled to reap the benefits it had originally anticipated from the acquisition. Four years later, eBay began taking steps to spin Skype out as a separate company.

That created an opportunity for Zennström, Friis and Dyne to try to spin more gold out of Skype by buying it back. But eBay had announced a sale to a consortium of investors, including Silver Lake, Index Ventures and Andreessen Horowitz.

‘Mark (the wolf) is on this.’

Friis and Zennström had leverage, though. They still controlled an entity, Joltid, that owned the underlying peer-to-peer technology Skype relied on, which eBay had not acquired as part of the deal.

Just prior to eBay’s announcement of its plans to sell Skype, Dyne helped the Skype founders sue eBay for allegedly breaching copyright laws by using Joltid’s technology without a license, according to a person familiar with the matter. Then he helped the founders sue members of the would-be investing consortium, accusing them of stealing information in their bid for Skype.

These hardball tactics eventually brought the consortium to the negotiating table with Dyne, who hammered out an agreement with them to secure a 14% stake in Skype in exchange for Joltid’s intellectual property. (EBay and the Skype founders settled Joltid’s suit against the auction site as well.)

Andreessen Horowitz and Silver Lake’s Durban admired Dyne’s tenacity, according to people familiar with the situation. “He did such a good job on winning the battle for the Skype founders that ultimately, Silver Lake and Marc and Ben thought they should hire this guy,” said a person who has worked closely with Dyne.

Dyne rejoined the board of directors of Skype once it separated from eBay. Two years later, he helped engineer a second sale of Skype—this time, for $8.5 billion to Microsoft—Dyne said in his biography on Morpheus Ventures’ website.

Not all of Dyne’s work has involved corporate dealmaking.

In 2013, when Friis’ fiancée, Maria Louise Joensen (better known as Danish pop star Aura Dione), wanted to move to Los Angeles to break into the U.S. music scene, Dyne rented her a house, bought her a new car and paid her bills, according to court filings. When Joensen’s former manager claimed the rights to her music, Dyne hired Lance Etcheverry, a Skadden Arps attorney he worked with often, to sue the agent, the filings said.

Joensen prevailed. In a celebratory email later filed in court, Etcheverry credited the victory to a legal maneuver he and Dyne deployed to turn the judge against the former manager and his legal team. “The Strategy worked to perfection,” he wrote.

The celebration didn’t last. In 2015, Friis broke off his engagement with Joensen, alleging that she had cheated on him. Then Friis launched a series of lawsuits against her—including one that sought to get back an engagement ring and other gifts.

Separately, Dyne sued Joensen for allegedly breaking a handshake deal to repay more than $2 million of Skadden Arp’s legal fees. Joensen alleged in a court filing that Dyne had kicked her out of the Hollywood Hills home. Dyne in an affidavit said the lease on the home was about to end.

After Joensen’s lawyer offered half of her future royalties as a settlement, Dyne lost patience with what he viewed as an unsatisfactory proposal to resolve the conflict. “I am done wasting my time,” Dyne wrote to Joensen’s lawyer. “I don’t think that anyone can control Aura in her dealings. She does what she wants when she wants and thinks she’s a Diva. Perhaps only the courts can control her.”

A court ultimately ordered Joensen to pay Dyne’s firm $3 million.

Eventually, Dyne’s relationship with Friis frayed. In 2021, the two had a blow-up over an investment partnership they both directed that had stakes in Wire, a file-sharing startup, and Starship Technologies, a delivery robot startup.

Dyne sued Friis, alleging that he had a plan to reduce Dyne’s stake in the partnership. In his legal complaint, he called Friis “a serial litigator” who “believes he is always entitled to have what he wants.” In his own legal filing, Friis accused Dyne of extracting millions of dollars from his association with Friis while pretending to act in his best interests. Dyne eventually withdrew the case.

More recently, Dyne has been using his negotiating skills to help keep an effort to build a new, walkable city in Solano County on track. In 2023, The New York Times revealed that Flannery Associates had spent around $900 million to quietly snap up large plots of land in the area for the California Forever project, which is about an hour’s drive northeast of San Francisco.

Dyne and his firms, Europlay and Morpheus, have popped up in a variety of ways in the area. Dyne and another partner at Morpheus each donated $5,000 to the Solano County Deputy Sheriff’s Association Political Action Committee in May this year, according to public campaign filings.

In late 2023, a local resident, Aiden Mayhood, applied to join a community advisory board that California Forever had advertised to get feedback on the project. Mayhood, then 22 years old, soon got a call from a junior partner at Dyne’s Europlay Capital and Morpheus Ventures who wanted him to fly to Los Angeles to discuss his application, Mayhood wrote in a Facebook group dedicated to opposing California Forever last month. Mayhood declined the invitation and learned of Dyne’s connection to the firms after some online research.

In 2023, the tech-backed group behind California Forever, Flannery Associates, filed a lawsuit against a group of landowners in the area that sought $510 million in damages, accusing them of conspiring to inflate the value of their properties. A lawyer who represents some of those landowners said he recently got a call from an attorney for Skadden, the law firm for Flannery Associates, telling him to expect a call from a settlement negotiator: Dyne.

When they connected, the lawyer asked Dyne who he was. Dyne said he wasn’t himself a lawyer and that he was “just here to get the deal done,” according to the lawyer’s notes of the conversation.

Dyne told the lawyer he didn’t report to Jan Sramek, the public face of California Forever. He was coy about the identity of his ultimate employer.

“I talk to the money,” he told the lawyer.