Until now, business operations has been managed by Shona Brown, who had also once run “People Operations,” as human resources is called at Google.

More recently, HR has been run by VP Laszlo Bock, who initially reported to Brown and later directly to former CEO Eric Schmidt.

He will now report to Pichette, sources said.

Brown will narrow her duties to leading Google’s philanthropic efforts, via Google.org. She takes over from new business development VP Megan Smith (please see disclosure below), who has run “Dot Org” on an interim basis as its general manager since the departure of its initial high-profile Executive Director Larry Brilliant in 2009.

Google declined to comment on personnel matters.

Brown has been with Google since 2003 (which was well after Larry 1.0; Eric Schmidt became CEO in 2001). Here’s how my colleague John Paczkowski described her role last week:

Before she came to Google, Brown spent a decade consulting for McKinsey and is widely credited with optimizing Google’s internal structure.

But Page is not a McKinsey guy and he’s obviously not a big fan of Google’s current management organization anymore.

That might not bode well for the legendarily sharp-elbowed Brown who most sources describe as highly strategic but also as extremely difficult to work with.

Still, if Page is tinkering with the way Google is organized, Brown might also be the one he turns to to find a new structure.

That said, he seems to be fine doing it on his own and some suggest Brown will move to another role within the company rather than leaving.

Not all agree.

Said one source: “I wouldn’t be shocked to see Shona go. Frankly, I’m surprised she survived as long as she did, but then I didn’t think Rosenberg would last this long either.”

But, said another about Brown, who has previously taken time off from Google and returned: “I’d never count Shona out.”

Page’s big reorg aims to make the 12-year-old company he co-founded faster and more innovative to fend off the stagnation of middle age. The first step was removing long-time product chief Jonathan Rosenberg, followed by the elevation of seven long-time product leaders to senior vice president of their respective domains: Sundar Pichai (Chrome), Vic Gundotra (social), Andy Rubin (mobile), Salar Kamangar (YouTube), Alan Eustace (search), Susan Wojcicki (ads) and Jeff Huber (local and commerce).

And as for the newest big winner, Patrick Pichette? Unlike many of the others in Page’s inner circle, Pichette is a more recent Googler. After spending seven years at Bell Canada, Pichette replaced the retiring George Reyes in 2008.

Pichette has been a regular presence on Google quarterly earnings calls, the next of which is this Thursday at 1:30 PT. While whatever Google did in the first quarter of 2011 was surely interesting, the call should be the first public comment on the new Page regime. It will be a big test for Page, who notoriously loathes the public eye.

Meanwhile, Google’s management bio page should be sent packing to the Internet Archive any day now.

While it’s only a week out of date–my, how things have changed.

(Full disclosure: Smith is married to All Things Digital Co-Executive Editor Kara Swisher.)

The founder, Christopher Poole, also known as “moot,” received 16.8 million votes. Malaysian politician Anwar Ibrahim was a distant runner up, with 2.3 million votes, followed by evangelist Rick Warren with 1.9 million. The rest of the top 10 included Taliban leader Baitullah Mehsud, Google.org (GOOG) head Larry Brilliant, Attorney General Eric Holder, Mexican billionaire Carlos Slim, German Chancellor Angela Merkel, basketball star Kobe Bryant and Bolivian president Evo Morales.

While 4chan is one of the most popular sites for kick-starting viral videos and online trends like Rickrolling, with a self-proclaimed 3 million unique visitors a month, it’s unlikely that Mr. Poole tops the list of influential people in the lives of 16 million Time magazine readers.

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On Wednesday, an always worthwhile Internet-focused conference, the annual Web 2.0 Summit, kicks off in San Francisco.

The lineup for the three-day event is particularly good this year and it is also a perfect time to take the temperature of the Internet’s movers and shakers, given all the hubbub of late with the weak economy. (BoomTown will thus be there with the trusty–and shaky–Flip video, chronicling it all for future generations.)

Speakers will include bicycle champ Lance Armstrong, Yahoo (YHOO) CEO Jerry Yang, former VP Al Gore, Google.org head Larry Brilliant, Paul Otellini of Intel (INTC) and Facebook’s Mark Zuckerberg, among others, chattering away on a wide range of topics. (You can see the full schedule here.)

There’s also, of course, a passel of parties, including one on Thursday night thrown by MySpace Music. And it will–shades of Web 1.0!–feature an exclusive performance by Lionel Richie (and also DJ AM).

I am, I shall admit it and without irony, a closet fan of Richie. And why not, with so much infectious fluff to choose: “Hello,” “Say You, Say Me,” “Three Times a Lady.”

Most importantly, I will be curious to see if there will be “Dancing on the Ceiling” among the beaten-down start-up crowd. (See that music video below and ponder exactly why you know you know each and every word to that funkadelic song.)

Hosted by Tim O’Reilly and John Battelle, the Web 2.0 Summit is called “Web Mets World” this year. By that, BoomTown is inferring that its organizers think it is time for the Internet to grow up. But why don’t we let them speak:

The commercial web is now a teenager—it’s been fifteen short years since Marc Andreessen released the Mosaic browser. To put this in perspective, television as a commercial medium reached its fifteenth birthday in 1956—the year Elvis Presley made his first appearance on national TV…as we pondered the theme for this year, one clear signal has emerged: our conversation is no longer just about the Web. Now is the time to ask how the Web—its technologies, its values, and its culture—might be tapped to address the world’s most pressing limits. Or put another way—and in the true spirit of the Internet entrepreneur—its most pressing opportunities.”

And, of course, here’s Lionel: