Bridgewater Associates founder Ray Dalio. David Lynch Foundation/YouTube

Around eight years ago, Bridgewater Associates founder Ray Dalio introduced Transcendental Meditation to his 735 employees.

Dalio had already established a unique, intense culture at Bridgewater that he likes to say is akin to being part of an "intellectual Navy SEALs," and he believed that Transcendental Meditation, or TM, would work as an effective counterbalance.

"I did it because it's the greatest gift I could give anyone — it brings about equanimity, creativity, and peace," Dalio told me in an email.

Since then, TM has popped into the mainstream, and over the last three years, the David Lynch Foundation TM center has taught almost 2,500 professionals — 1,150 in 2016 alone — and roughly 55% are from Wall Street.

Dalio has always done things differently, from having his employees memorize his list of life "Principles" or recording their conversations as part of a culture of "radical transparency." So his obsession with TM isn't surprising, but what is unusual is the way that it has caught on with the rest of Wall Street over the past few years.

Dalio began practicing TM in 1969 as a college student, after seeing that its founder, Maharishi Mahesh Yogi, taught it to the Beatles.

Dalio is also one of the biggest supporters of the David Lynch Foundation — founded by the acclaimed director ("Twin Peaks," "Mulholland Drive") in 2005 to teach TM for free to underserved students, veterans with post-traumatic stress disorder, and victims of domestic abuse — and has donated about $20 million to the DLF through the Dalio Foundation over the past decade, with funds specifically allocated to students in New York and San Francisco and veterans. The Dalio Foundation accounts for 20% of the DLF's funding.

I wanted to find out why Dalio would speak so emphatically and passionately about this meditation technique, and why other power players like Third Point manager Dan Loeb and JPMorgan wealth management CEO Barry Sommers were compelling others in finance to try it out.

And as someone who had been practicing mindfulness meditation for nearly a year, I was questioning the bureaucracy and mystery of TM, wondering if it was all a racket constructed over a simple, overblown technique.

Film director David Lynch's foundation has become the go-to TM center for Wall Street. Bryan Bedder/Getty Images Over the past six weeks, I spent hours talking to many people about their own experiences with TM, went through years of scientific studies conducted, dug into the organization that teaches it, and pored over the ancient literature and tradition that inspired the founder to develop and spread the technique.

Knowing I couldn't truly understand its appeal without experiencing the practice, I learned TM through the DLF and have practiced it for the recommended two 20-minute sessions every day, missing only a few sessions. The foundation offered to waive its $960 fee, which it had done with other journalists, so I'd have more context for my research.

Practitioners can go deep into the history of TM and even learn advanced techniques for deeper meditations, but at its heart, TM is a simple and effective technique, and those who stick to the basics can still see real results. It's one of the reasons hyper-busy, intense investors are embracing it.

Bob Roth, the foundation's executive director, and my teacher, Mario Orsatti, are thrilled by the rising interest, which surprises even them. Because of a number of coinciding factors — the recent cultural normalization of meditation in the US, public evangelizing by figures like Dalio and Jerry Seinfeld, increasingly distracted lives, increasingly frustrating markets, and the fact that institutions such as the American Heart Association have cleared TM as a tool for a healthy lifestyle — TM is having its moment on the Street.

Bringing meditation to the West

Any TM student will be shown videos of the Maharishi, a small man with long wispy hair, a scraggly beard, a high-pitched voice, and a penchant for giggling.

Born in India as Mahesh Prasad Varma in 1918, he renounced his name and familial ties in typical Hindu monk fashion after graduating from Allahabad University in 1942 with a physics degree and traveling to Jyotir Math in the Indian Himalayas to study under and serve Swami Brahmananda Saraswati, the man he reverentially called Guru Dev, which literally means "divine teacher."

TM founder Maharishi Mahesh Yogi in 1975. AP Saraswati was the leader of the city's monastery. When the Maharishi — a title that means "seer" and is commonly used as shorthand — began his global tour of spreading TM in 1958, he made it clear that although he and his guru were Hindu monks and TM was rooted in the ancient Vedic scriptures, his practice was not tied to the Hindu faith.

Because of the caste he was born into, the Maharishi could not succeed Saraswati, but Saraswati entrusted him with the mission of spreading meditation around the world for the purpose of fostering peace.

The mission was not religious proselytizing, but rather making available a technique that anyone, whether they were Hindu, Christian, or atheist, could practice.

"I think where we are today is where Maharishi always wanted it to be — which is science-based, and evidence-based, and fits in with medicine and mainstream wellness programs," Roth told me.

He said the Maharishi, whom he knew from 1970 until the Maharishi's death in 2008, was as scientific as he was spiritual, and that he believed that the health benefits he felt from meditation could be proven. Researching the effects of TM was one of the reasons he founded a college, the Maharishi University of Management, in Fairfield, Iowa, in 1971.

Though I was skeptical of research coming from such a potentially biased source, the school has received tens of millions of dollars from the National Institutes of Health — a federal organization that does not liberally give out that level of funding. The school's findings have also been corroborated by other institutions, like Harvard Medical School and Stanford Medical School.

The wealth of peer-reviewed research on TM's ability to lower blood pressure and decrease the presence of stress-causing hormones at a rate significantly higher than other forms of stress relief has caused institutions such as the AHA to inspire doctors to tell their patients about it.

Meditating at the world's largest hedge fund

Dalio brought TM to Bridgewater through the foundation's teachers, who still regularly visit.

Practitioners must learn TM from a certified teacher, who gives them one of many mantras, a meaningless "vibration sound," and assists them with perfecting the technique. Meditators sit still for 20 minutes and repeat this mantra in their head, letting thoughts float by and possibly "transcending," reaching a pleasant and invigorating state of "restful alertness."

The initial deal Dalio proposed around 2008 was that any employee with a tenure of six months or longer could take the $1,000 four-month course and, upon completion, Dalio would reimburse half the cost out of his own pocket.

After a few years, the course became popular, and many employees began regularly meditating twice a day. Dalio and his management team decided that it would be best to create a formal corporate reimbursement and training plan.

Bridgewater Associates' headquarters in Westport, Connecticut. Bridgewater Associates In the past eight years, around 500 employees have been trained. (Bridgewater's employee count ranged from roughly 735 to 1,700 employees in that time.)

Also in that time, Dalio has become easily the most vocal and influential proponent of TM in the finance community.

Though Bridgewater, which now has $150 billion in assets under management, became the world's largest hedge fund in 2005, it remained largely under the radar until 2011, when Dalio received mainstream press, including a full profile in The New Yorker. When the media asked him about his "secrets to success," he would laud TM.

As he's quoted as saying in the 2011 book "Transcendence," not coincidentally written by his son Paul's psychiatrist, Norman Rosenthal, TM is "the single biggest influence" in his life. It was Paul who convinced Rosenthal to revisit TM, which Rosenthal had learned years before, and to investigate it from a scientific standpoint.

Both Paul and his father are quoted in "Transcendence" and its 2016 follow-up, "Super Mind," and Rosenthal has supplemented his career as a practicing psychiatrist and Georgetown Medical School professor with speaking tours about the health benefits of TM.

This increase in literature about the health benefits of TM is one of the reasons the practice has exploded in popularity over the past few years, despite being taught in the US since the 1960s. It's connected especially during this time with Wall Street power players, many of whom now practice it daily.

TM on Wall Street

As Andrew Ross Sorkin, the founder of The New York Times Dealbook, told me over email, "Trading is a mental game, and anything that gives you even a slight edge is valuable."

Sorkin has been practicing TM "on and off" for the past three years. Brian Koppelman and David Levien, Sorkin's cocreators on the Showtime series "Billions" are regular meditators. The show is about a corrupt hedge funder's battles with a US attorney, and both characters have scenes where they try to collect themselves during TM sessions — a manifestation of the creators' shared habit as well as a nod to TM's recent rise in the financial world.

At the David Lynch Foundation, I took two group classes with Didier Phitoussi, who has been in the hedge fund industry for 23 years. I caught up with him recently, and he told me that he feels as though it has caught on in that world at this specific moment in time because "no one has been making any money."

Phitoussi told me that for investors, it's "being in front of a computer, looking for ways to make money and not finding anything. It's very frustrating." TM, he thinks, allows people in these situations to better deal with this stress and have a clearer head — similar to the way people would abuse a drug, he said, except meditation is healthy.

David Lynch Foundation Executive Director Bob Roth, left, and Director of the Center of Leadership Performance Mario Orsatti have taught TM to Wall Street's power players. Sarah Jacobs

For Mark Axelowitz, managing director at UBS Wealth Management, the first step to become a meditator was reading Dalio's "Principles."

Axelowitz was reading up on Dalio before he called to ask him if he'd like to speak at his and Bill Ackman's annual fundraiser for the Boys & Girls Harbor foundation. Early in "Principles," Dalio writes about how he discovered meditation in college after seeing that the Beatles did it.

"It helped me think more clearly and creatively, so I'm sure that enhanced my enjoyment of, and success at, learning," Dalio wrote.

"The second I read that I decided I'm done — I'm meditating," Axelowitz said.

During his call with Dalio, Axelowitz asked him how he could begin meditating, and Dalio referred him to the David Lynch Foundation. Axelowitz began learning the next month, January 2012. Since then, he has practiced it every day, missing only one or two of the twice-daily sessions each week, if any. He now serves on the foundation's board.

When I asked him if he had any reservations about TM, he said he could see no downside at the time, since no one was forcing him to do or believe anything he didn't want to. And if it proved ineffective, he'd be giving himself some time to rest.

Ray Dalio, left, with "Super Mind" author Norman Rosenthal and UBS Wealth Management managing director Mark Axelowitz in 2016. Mark Axelowitz "I had at the time a Blackberry and an iPhone, and my life was nonstop work," Axelowitz said.

He said he's awake 18 hours a day, and that his time is split among his Wall Street job, philanthropy, his side job as an actor — he's had numerous bit parts in big productions since 2004 — and his three kids.

"And I knew that if TM did not work, it gave me 40 minutes of downtime, with no interruption," he said.

But he found that it profoundly affected him. He said that since making TM a daily habit, he has been able to have a clearer mind, which has allowed him to be more present in both his professional and personal life. He also believes this regular training of his mind has allowed him to be more creative, which has allowed him to take on more significant and enjoyable acting gigs.

And to make everything more attractive, as it does for many Wall Streeters, he believed in the foundation's mission of teaching the technique to those who could benefit from it but can't afford its $960 price tag.

The foundation was created in 2005 to take a fee from those who could afford it and use that money to teach veterans with PTSD, students in underserved schools, and victims of abuse. The foundation told me that all funds go toward operations, and that "paying for others to learn" means subsidizing the work hours of a teacher on a pro bono lesson; I was told DLF teachers have salaries of roughly $40,000 to $80,000. Over the past 11 years, the foundation has taught more than 500,000 people for free.

Axelowitz became a trustee of the foundation and would invite some of his buddies on Wall Street to informational events. He said he's always happy to encourage others to look into learning TM from the foundation if they ask about it. He believes this network effect is one of the fundamental reasons the technique has spiked in popularity among finance types.

I spoke with two of the people to whom he's recommended it: Ken Gunsberger, a senior vice president at UBS Financial Services, and Barry Friedberg, CEO of the hedge fund FriedbergMilstein. Both Gunsberger and Friedberg have also donated to the foundation.

"When you're investing in the market, and the markets are moving around ... a lot of people get very emotional," Gunsberger said. "So it affects your day. If you have a stock or a fund that's not doing well temporarily, it bogs you down, it bothers you, so it affects your productivity. TM allows you to think through that, to see through that, and be less emotional."

UBS Financial Services senior vice president Ken Gunsberger meditates in his office in a moment captured for DLF video. DLFTV/Vimeo Gunsberger has been practicing it daily for the past two years, after Axelowitz recommended it to him during a particularly rough period in his life. Gunsberger told me he noticed the effects of TM a month after practicing it. He was no longer feeling frantic or distracted.

Gunsberger added that, like both Dalio and Lynch have said, he will have TM sessions where a thought passes through his head that suddenly provides a solution he's been looking for.

The practice itself gets its name from the idea of "transcendence," a unique, blissful feeling of simultaneous detachment and awareness that arises when the mind is quiet. But these moments are not required of a TM meditation, and in between them the passing of ideas can start to feel less chaotic. That's what allows the mind to seemingly magically stumble upon the answer to a question it has been trying to solve.

Friedberg is also drawn to this invigorating sensory deprivation that is so elusive to Wall Streeters.

"I never leave a session where I don't feel energized," he told me. "I've almost never had a meditation session where I didn't get a good idea."

He's been practicing TM for the past two years, initially doing the full 40 minutes every day, but cutting down the 20-minute sessions to 15 minutes, and practicing now four or five days each week — yet still feeling "substantial benefits" to his mood and creative process.

He had tried mindfulness meditation and yoga throughout his life, and so he was open to trying TM when Axelowitz told him about it over lunch two years ago. He was further intrigued by the foundation's philanthropic mission, and decided the lesson fee was money well spent.

Dalio himself is far from a casual meditator using the technique as a way to take some quiet time — he seeks out moments of transcendence and has found them to have changed the way he interacts with life.

He told Rosenthal, in a passage from "Transcendence" now regularly cited in the TM community, that his decades of practicing TM have made him more "centered," in the sense of "being in a calm, clear-headed state so that when challenges come at you, you can deal with them like a ninja — in a calm, thoughtful way.

"When you're centered, your emotions are not hijacking you. You have the ability to think clearly, put things in their right place, and have good perspective."

The appeal of philanthropic self-help

Middle school students meditate in a Los Angeles school. The David Lynch Foundation teaches TM to middle school and high school students in underserved areas free of charge. DLFTV/Vimeo Roth and Orsatti think TM has finally weathered the storm of misunderstanding or dismissal and is only going to get more popular.

Lynch agrees.

"In the past 11 years I have seen a complete transformation in the recognition by the scientific community of the benefits of TM for reducing stress, improving health, and promoting creativity and performance," he wrote to me in an email. "My goal for the foundation is to ensure that TM is available, at no cost, to every person who suffers from trauma and toxic stress — veterans with PTSD, abused women, and young people in underserved schools."

With the foundation as Wall Street's go-to meditation center, Lynch's mission is gaining traction as its wealthy business practitioners eagerly fund its pro bono work and scholarships for interested students who can't afford the full fee.

The scientific validation of TM, the increased popularity of meditation in general, and the ease of learning are all reasons its spreading. But it's also because of people like Ray Dalio.

"They see Ray's success — how are you going to argue with a guy who makes $5 million a day?" Gunsberger said. "You going to argue with that?"