Polly Sumner is president of global services and chief adoption officer at salesforce.com.

Sumner has more than 20 years of executive management experience in the technology industry. Prior to joining the San Francisco-based salesforce.com, she has served as president of global services, consulting and industry information services at communications software and services company, Telcordia, headquartered in Piscataway, NJ. She has also worked as an independent consultant with Warburg Pincus from July 2003 to January 2006. Prior to this, Sumner also served as president of Alphablox Corporation, an analytics software company, from 2002 to 2003. During her presidency, the company grew from $5 million to $25 million in two years and was eventually acquired by IBM in 2004. She has also worked for Oracle, McDonnell Douglas, and IBM.

Sumner earned a Bachelor of Arts in history and political science from Northern Arizona University and a Masters of Science from American Gradu...

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Liz Tinkham is the global managing director for the management consulting organization in the communications and high tech group at Accenture.

Working for Accenture for more than 25 years, she has focused particularly on customer relationship management and data service strategy. Twenty-one of her 25 years has been spent with her current group. Her career has taken her from Chicago, San Francisco, and Florham, NJ. According to a company profile at Accenture.com's career site, one of the most challenging aspects of her professional life has been trying to keep up with the constant changes in the markets and technology. She credits her success with willing to be flexible in roles and assignments and not trying to over-design what she will do next.

Tinkham has earned a Bachelor of Science in aeronautical and astronautical engineering, Ohio State University, in Columbus, Ohio. She also serves on the board of The Enterprising Kitchen and the Women's Board of the Adler Plan...

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