In its first five years, some of Portfolio's most noteworthy bestsellers include:

Recent and upcoming Portfolio highlights include:

• Purple Cow by Seth Godin (more than a full year on the Business Week bestseller list)
• The Smartest Guys in the Room by Bethany McLean and Peter Elkind (source for the Academy Award-nominated documentary on Enron)
• Trading Up by Michael Silverstein and Neil Fiske (winner of the Berry-AMA Book Prize)
• The Search by John Battelle (finalist for the Goldman Sachs/FT Business Book of the Year Award)
• Perfectly Legal by David Cay Johnston (New York Times bestseller and winner of the IRE Book of the Year Award)
• The Art of the Start by Guy Kawasaki
• Small Giants by Bo Burlingham
• Perfect Enough by George Anders (New York Times bestseller)
• Unstuck by Keith Yamashita and Sandra Spataro
• Pay It Down! by Jean Chatzky
• The Big Moo by the Group of 33, edited by Seth Godin
• Dealing with Darwin by Geoffrey Moore
• Think Big, Act Small by Jason Jennings
• Why Smart Executives Fail by Sydney Finkelstein

Upcoming Portfolio highlights include:

• Tough Choices by Carly Fiorina
• Small is the New Big by Seth Godin
• Andy Grove by Richard S. Tedlow
• The Starfish and the Spider by Ori Brafman and Rod Beckstrom
• Judgment by Noel Tichy and Warren Bennis
• Wikinomics by Don Tapscott

Adrian Zackheim
Founder and Publisher of Portfolio

Adrian Zackheim joined Penguin Group in September 2001 to start a new imprint, Portfolio.

Previously, he was the associate publisher and editor-in-chief of HarperInformation, a division of HarperCollins. His primary role there was leading HarperBusiness, which during his tenure became one of the most successful business imprints in the industry. His distinguished career has also included editorial positions at William Morrow, Doubleday, and St. Martin's Press.

Among the many bestselling books that Zackheim has edited and published are Good to Great by Jim Collins, Die Broke by Stephen Pollan and Mark Levine, The Dilbert Principle by Scott Adams, Built to Last by Jim Collins and Jerry Porras, The HP Way by David Packard, Head to Head by Lester Thurow, and Swim with the Sharks without being Eaten Alive by Harvey Mackay.

Four of his books were honored as among the twenty most influential business books of the last twenty years, according to a panel of experts convened by Forbes .

Jeffrey Krames
Editorial Director

Jeffrey Krames joined Portfolio in September 2006. He was most recently the vice president and publisher of McGraw-Hill's trade business books division. In his 24-year career he has edited and published more than 250 business books, including many award-winning, bestselling titles about business luminaries such as Ross Perot, Jack Welch, George Soros, William Paley and Lou Gerstner. Recently, Mr. Krames published seven of the 35 best business books of the year, as determined by Library Journal. He is also an author in his own right, known for books such as the international bestseller The Welch Way.