This year’s Fortune Most Powerful Women Summit was our strongest-yet gathering of global leaders in business and beyond. Over the next week or so, we’ll be bringing you highlights from the three-day powwow in North San Diego that ended yesterday.

Last night, as we began to breathe again, we noticed a pattern: Even as the 350+ VIPs spanned from A to Z, Summit participants with last names beginning with B were a particularly stunning bunch. Here are just some of the high-achieving big-name B’s–including four leaders on the 2009 Most Powerful Women in Business list–who were with us at the Fortune Summit:

Gina Bianchini, co-founder and CEO, Ning

Sheila Bair, chairman of the FDIC

Tyra Banks, chairman and CEO, Bankable Enterprises

Maria Bartiromo, Anchor, CNBC

Carol Bartz, CEO, Yahoo

Lloyd Blankfein, chairman and CEO, Goldman Sachs

Gail Boudreaux, EVP, UnitedHealth Group and President, UnitedHealthcare

Angela Braly, President and CEO, Wellpoint

Amy Brinkley, former chief risk officer, Bank of America

Campbell Brown, Anchor, Campbell Brown, CNN

Tina Brown, Founder and Editor in Chief, The Daily Beast

Mika Brzezinski, co-host, Morning Joe, MSNBC

Susan Buffett, Chair, Susan Thompson Buffett Foundation

Warren Buffett, chairman and CEO, Berkshire Hathaway

Ursula Burns, CEO, Xerox

Barbara Byrne, Vice Chairman, Barclays Capital