Stephen Callahan

Partner Executive – Energy & Utilities, IBM

stephen-callahan Stephen J. Callahan is a Partner within the Energy & Utilities industry of IBM Global Business Services. Mr. Callahan leads IBM’s US Smart Grid services initiative. Over his 25 year career in industry and consulting he has led the development and implementation of a wide range of business and technical systems including financial, networking, RTO, AMM and Smart Grid systems.

Mr. Callahan held various management positions over a span of fifteen years at Pacific Gas and Electric Company in San Francisco in the areas of commercial and industrial energy management, telecommunications network planning, and financial systems. He held positions of Director of IT Strategy and Budget, Director of Network Planning and was the project manager for PG&E’s implementation of SAP.

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