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I retired from IBM on May 31, 2007 after 37 years with the company, where I was responsible for identifying emerging technologies and marketplace developments that are critical to the future of the IT industry. I was also responsible for our university relations office and for the IBM Academy of Technology where I served as Chairman of the Board of Governors. I led a number of IBM’s company wide initiatives including the Internet and e-business, supercomputing and Linux.

Since retiring from IBM, I've been a Strategic Adviser on Digital Strategy and Innovation at Citigroup from March of 2008 to June of 2014, and at HBO from September of 2014 to August of 2015. Currently, I’m affiliated with Mastercard Advisors.

Since 2005 I've been writing a weekly blog,; in April of 2012 I became a regular contributor to the Wall Street Journal’s CIO Journal.

I am Visiting Lecturer at MIT's Sloan School of Management; Executive-in-Residence at NYU’s Center for Urban Science and Progress; and Adjunct Professor in the Innovation and Entrepreneurship Group at the Imperial College Business School. I am a member of the Board of Directors of Inno360, and CNRI and the Advisory Board of USC's Annenberg Innovation Lab.

I served on and later became co-chair of the President’s Information Technology Advisory Committee from 1997 to 2001, and was a founding member of the Computer Sciences and Telecommunications Board of the National Research Council in 1986. I am a former member of University of Chicago Board of Governors for Argonne National Laboratories, the Board of Overseers for Fermilab, and BP's Technology Advisory Council. I am a Fellow of the American Academy of Arts and Sciences as well as a Fellow of London’s Royal Society of Arts. Having been born in Cuba and come to the US at the age of 15, I was named 2001 Hispanic Engineer of the Year. I have an M.S. and Ph. D. in physics from the University of Chicago.