Iliyana Hadjistoyanova

Sr Principal, Research

Iliyana Hadjistoyanova is a strategic adviser and trainer to heads of communications and their teams.

Her expertise includes internal communications; external communications; leader, manager, and peer-to-peer communications; change communications; strategic planning and measurement; employee engagement; channel and message management.

Iliyana conducts both live meetings, workshops, and training sessions and virtual events for Communications leaders and their teams. She also designs and delivers Gartner's training program for internal communicators.

Previous experience

In her previous role, Iliyana drove content strategy behind web channel and digital content for CEB Communications, internally and externally. In her research capacity, she used knowledge of the root causes of client problems to build best-practice solutions in the form of research reports, case studies, tools, and benchmarking products. She also developed and facilitated training courses for communications professionals.

Professional background


Senior Research Analyst and Content Manager


Senior Analyst

Advisory Board Company



M.A., History, The University of Texas at Austin

B.A., History (Honours) and Political Science

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Top Issues That I Help Clients Address

1Leader, Manager and Peer-to-Peer Communication

2Change Communication

3Strategic Planning and Measurement

4Employee Engagement and Performance

5Message Development and Management