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The exec that survived two humiliating demotions under Steve Ballmer has triumphed again: His startup is now worth $3.5 billion

Bob Muglia Snowflake Computing
Snowflake Computing CEO Bob Muglia Snowflake Computing
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A hot computer storage startup called Snowflake Computing has raised a monster new round of venture investment: $450 million. This round has given the company a pre-money valuation of $3.5 billion, the company said.

This investment comes just nine months after the company's last round of $264 million, which valued it a $1.5 billion pre-money, meaning it more than doubled its valuation just this year. 

One reason: Snowflake is run by well-known former Microsoft exec Bob Muglia, who was hired by Bill Gates, helped build the company's first database product — still a huge business for Microsoft today — worked on Office, MSN, and Windows, and then ran Servers and Tools, a major Microsoft business unit that was valued in its day at $15 billion and employed about 10,000 people.

Snowflake is similar to a cloud-based database. It's a type of database known as a data warehouse, which takes the vast amounts of data a company is storing in a favorite cloud service, like Amazon S3, and allows companies to sift through it all to find answers to business questions. Snowflake's claim to fame is that it can ingest all types of data in its native form, reducing the amount of work it takes to process data for analysis. It competes with a lot of different technologies doing similar work in the cloud, including Amazon's own data warehouse service Redshift. 

But Snowflake's advantage over Amazon is that it also supports data from Microsoft Azure, the biggest competitor to the Amazon Web Services cloud. On top of that, Snowflake has been busy striking up partnerships, like one with another hot big data startup, Databricks. The founders of Databricks invented a technology called Spark, which processes data super fast, and is a favorite among science and technical teams — making it a good partner for Snowflake as it moves to expand. 

Muglia's big comeback 

Muglia isn't a Snowflake founder, but he is a key reason for its growth. He was hired as CEO in 2014, making him employee number 34.

Snowflake's success is a particularly sweet triumph for Muglia. As he previously told us, he suffered not just one, but two publicly humiliating career set backs under Steve Ballmer.  

"I was sort of let go by Microsoft twice," he had previously described to Business Insider. "Steve and I had our disagreements in a major way two times at Microsoft."

The first was shortly after Ballmer took over from Gates. Ballmer reorganized the company and passed over Muglia.

"And in a period of one day, I went from 3,000 people working for me to one," he said. "I was demoted publicly. I went from executive vice president to senior vice president."

Ballmer assigned him a task of starting a new computer storage group. The public demotion turned him into something like a pariah for a while inside the highly-political Microsoft. But Muglia fought back, turned the project into a success and rose through the ranks again until he was running the hugely important Servers and Tools division, responsible for about one quarter of the company over.

That demotion taught him a huge career lesson, he told us at the time. "We all have situations where we are not successful, but it's how we handle it."

And then Ballmer and Muglia butted heads again, over the direction Microsoft should go in cloud computing. Ballmer basically fired him this time, and very publicly, too, publishing an email that announced is departure that was picked up by all the press. Ballmer promoted Satya Nadella to take Muglia's place, putting Nadella on the career track to become CEO.

The dismissal was not only embarrassing, it was damaging, he says. Muglia had a non-compete agreement that prevented him from jump-starting his career elsewhere. He spent two years at Juniper Networks during a rough period there.

All of it taught him how to be a better boss, as well as how to structure a company that can execute well, he says. 

"We all have situations where we are not successful, but it's how we handle it," he previously told Business Insider.

After Juniper, he took the CEO job at a tiny startup called Snowflake. In his four years there, has grown it from a company valued at about $20 million to one now worth $3.5 billion. Snowflake has raised a total of $923 million, most of it under Muglia.

And his come-back might be even sweeter because Snowflake didn't support Microsoft's cloud, Azure, until just a month ago. That means Muglia built this $3.5 billion cloud company mostly on Amazon Web Services, which is Microsoft's biggest, most dangerous competitor. But that's all water under the bridge now, with the two companies forming at least some kind of partnership.

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Julie Bort was Business Insider's Editor at Large for the Tech team. She loves investigating stories and shedding light on the tech industry's most amazing people.Here's a small sample of some of Julie's work.Former Pinterest employees describe a traumatic workplace where managers humiliate employees until they cry, Black people feel alienated, and the toxic culture 'eats away at your soul'Sex, tequila, and a tiger: Employees inside Adam Neumann's WeWork talk about the nonstop party to attain a $100 billion dream and the messy reality that tanked itInsiders say WeWork's IT is a patchwork of cheap devices and Band-Aid fixes that will take millions to fixWeWork's toxic phone booths were created in-house by its Powered by We business70-hour weeks and 'WTF' emails: 42 employees reveal the frenzy of working at Tesla under the 'cult' of Elon MuskElon Musk works so many hours at Tesla, employees are constantly finding him asleep under tables and desksHow this woman went from a Pizza Hut employee to a founder of a $4 billion startupAn Oracle insider explains how some salespeople gamed the system to sell more cloudTHE TAKEDOWN OF TRAVIS KALANICK: The untold story of Uber's infighting, backstabbing, and multimillion-dollar exit packagesMicrosoft is in talks to buy GitHub, a startup at the center of the software world last valued at $2 billionThe alarming inside story of a failed Google acquisition, and an employee who was hospitalizedInside Facebook's plan to eat another $350 billion IT marketHow a registered sex offender wound up living in an Airbnb hosting unsuspecting guestsA controversial ex-banker is the person who really runs Twitter — and he's gambling the company's future on one risky betSecret passages and skipped meals: Oracle's CEO gave us a rare peek at what it really takes to run a $37 billion companyHP told some employees to choose between becoming contractors with no benefits or being fired without severance'I felt like we were being extorted': Customer says Oracle tried to strong-arm him into a cloud saleHow the queen of Silicon Valley is helping Google go after Amazon's most profitable businessAirbnb host: A guest is squatting in my condo and I can't get him to leaveLIES, BOOZE, AND BILLIONS: How one of the fastest-growing startups in Silicon Valley history raised $580 million then spiraled out of controlGitHub is undergoing a full-blown overhaul as execs and employees depart — and we have the full inside storyWhen she's not writing for Business Insider, Julie can usually be found on the trails, on my mountain bike, or on my skis, if you know where to look.