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  • Editor's Letters

    Andrew A. Chien is the William Eckhardt Distinguished Service Professor in Computer Science at The University of Chicago, Director of the CERES Center for Unstoppable Computing, and a Senior Computer Scientist for Argonne National Laboratory.
    Andrew is the Editor-in-Chief of Communications of the ACM, since July 2017, and has served in various roles on the editorial board since 2008.
    In addition to reaping computing's bounty, we should "own" and work to reduce the negative impacts of computing. Both carbon emissions and e-waste are growing fast and need attention!  View full article


    Universities and the interchange of scholars and students in international collaborations have long played an important role in knitting a fabric of human relationships and shared understanding. This fabric is fraying rapidly.  View full article


    Increasing international tension and distrust, and its projection into universities, is eroding open collaboration and inquiry.  View full article


    Halfway Round!
    July 2019
    In November 2017, we launched Communications' Regional Special Sections. A year and half later, I'm happy to report we're halfway around the world and gaining momentum! View full article


    It is time for the computing community to face up to computing's growing environmental impact—and take responsibility for it.  View full article


    We are manifestly in a new era of international relations—"An Age of Distrust"—where the trend toward increased trade and integration has stalled, if not reversed.  View full article


    I am pleased to introduce the first regional special section of Communications, which we hope will become a feature that you anticipate and enjoy, and of course value for the insights and perspectives it presents!  View full article


    For the research community, opportunities to shape a profoundly different, new age of computer architecture are emerging.  View full article


    Go Big!
    April 2018
    I was fortunate to enter computing in the era of site funding by the Defense Advanced Research Projects Administration, whose sustained investment of $10M/year (inflation adjusted) enabled the undertaking of bold transformative ideas. Large-scale funding enables examination of larger questions that cross problem spaces, systems, abstractions, even fields. I believe the need for large investments has never been greater.  View full article


    I am pleased to announce a new Communications of the ACM initiative to expand the Communications community globally. Why? To include important voices and perspectives in the conversation about the present and future of computing.  View full article


    Computer science is both a powerful enabler of rapid advances in all intellectual fields and a disruptor driving furious revolutions in commerce and society worldwide.  View full article


    The notion of what constitutes a profession has been studied extensively through exploration of its attributes. Common among these are a deep technical expertise, an essential, valued, societal contribution, and the need to adhere to high ethical and technical standards. Computing exhibits all of the attributes of a professionView full article


    The Communications of the ACM team is dynamic; a collection of passionate leaders, making change and creating the future CACM through the actions, initiatives, and goals that we are pursuing today. In that vein, here are some of my ambitions for the Future CACM.  View full article


    It is with great pleasure that I take the helm as the ninth Editor-in-Chief of Communications, the flagship publication and ACM's vessel for the most important and interesting happenings across the field of computing.  View full article