Analyst Profile

John Kostoulas

John Kostoulas

VP Analyst

5 years at Gartner ,  20 years industry experience
United Kingdom

Roles and Responsibilities

John Kostoulas is a Vice President Analyst in Gartner's Technology and Service Provider (T&SP) research group focused on human capital management (HCM) technologies, processes and services. Mr. Kostoulas spends most of his time advising HCM technology and service providers of various sizes, from startup to established, across the world through published research and daily interactions. Topics include market opportunity, strategy, product roadmap, positioning, go-to-market and operations for HCM products and services. He also advises technology and service providers on how to address their challenges around talent, culture and capabilities, and how to build strong product teams. In addition, he supports HR, IT and other business leaders on decisions related to talent management and HR service delivery redefinition due to digitalization, impact of diversity, equity and inclusion, importance of employee experience, and profound changes in the workforce and the workplace. John is also the co-leader of the Software Market Community, a group of 30+ software market analysts, coordinating regular meetings and focused research initiatives on emerging technologies and market trends.


Previous Experience

Before joining Gartner, Mr. Kostoulas had 16 years of holistic experience and a solid track record in human capital technology and transformation from the perspectives of consulting and service providers, software vendors and large corporates. He has led numerous global-scale initiatives for world-class organizations on global implementation of leading technology solutions including: change management, technology operations and adoption, global service delivery/process/metrics design, global shared services/BPO business case creation/setup/transition, and organizational design of various functions.

Professional Background

Coca-Cola HBC, Group HR Business Process Leader, 4 years
Oracle, Senior HCM Sales Consultant, 2 years
Vodafone, Principal Manager, Global HR Systems Architecture and Operations, 2 years

Industry Awards/Accolades

Business Process Management Expert (OCEB)
European Projects Management diploma (Euroscience)
Project Management Professional (PMI)
SAP HR Application Consultant (SAP)


Diploma in Production Engineering and Management, Technical University of Crete
Leadership Decision Making, John F. Kennedy School of Government, Harvard University
Master of Business Administration, Schulich School of Business, York University



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