Gartner Expert

Zarko Sumic

Distinguished VP Analyst

Zarko Sumic, Ph.D., is a Vice President and Distinguished Analyst in Gartner, where he provides innovative strategic and operational advice to Gartner utility clients using his extensive IT leadership and business experience. With more than 40 years of IT experience in academia, the energy utility industry and technology providers, Dr. Sumic is an established leader in applying IT and OT in the utility sector. His coverage areas include new energy provisioning business models and digital transformation of the utility sector, the impact of IoT on technology convergence in the utility sector, and consequent implications on utility IT organizations and application portfolios. Dr. Sumic leads Gartner Smart Grid research, covering technologies and business processes with implications on utility infrastructure modernization, customer engagements and back-end processes, such as meter-to-cash.

Previous experience

Dr. Sumic joined Gartner in April 2005 with the acquisition of Meta Group. Before Meta Group, where he had worked since March 2001, Mr. Sumic was a Chief Technology Officer of ConneXt, an unregulated subsidiary of Puget Sound Energy, responsible for design, development and deployment of a new customer information system. As a founding member of the ConneXt executive team, he held various senior management positions, including General Manager of the CIS business unit. As Vice President of technology and product development, he was managing and directing the development of three company product lines (CIS, OMS/GIS and C&I EBPP consolidation platform). Prior to ConneXt, Mr. Sumic was a Vice President of technology and product development with Tellus, responsible for all aspects of the development process and architecting suite of software applications, which support planning, operation, engineering and mapping needs of an electric utility, using GIS technology. Before co-founding Tellus during his tenure as a university professor, his research interest included power system control, EMS and artificial intelligence application in utility networks design.

Professional background

Meta Group

Vice President, Energy Information Strategies


VP Product Development, CIO and CTO


Vice President, Technology and Product Development

Areas of coverage

Utility Digital Transformation

Energy and Utilities Technology Optimization and Modernization


Ph.D., University of Washington (UW), Seattle

Executive training in Technology Product Development, Caltech

Executive training for Financial Management, UW

M.S., University of Zagreb, Croatia

B.S. (dipl. eng. degree), University of Split, Croatia

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Top Issues That I Help Clients Address

1How to prepare for and benefit from digital transformation facing utility sector

2How to organize IT and structure application portfolios to enable

3How to embark on smart grid journey

4How to deal with IT and OT convergence

5How to select right technology products and services for utility business needs