Gartner Expert

Ventse Derzhitski

Sr Director Analyst

Ventse Derzhitski is a Research Director with Gartner for Technical Professionals team.

Ventse is focused on Unified Communications and Collaborations applications and helps Gartner clients plan and execute their critical transformations, implementations and migrations initiatives.

He provides expert advice and research in the following areas - Enterprise Voice/Telephony, Video, Web Collaboration and Meetings (UCaaS), Contact Center (CCaaS), Complex integrations and Automation services, Voice Recording and UC Monitoring. With current focus on Cisco Voice and Video, Webex and cloud services, Cisco Webex Teams, Microsoft Phone System, Microsoft Teams Telephony, Meetings and Zoom Phone, Meetings and Contact Center.

Previous experience

Ventse played pivotal role in helping companies implement new Unified Communications and Contact Center services as well as with complex migrations and transformation projects.

Professional background


Senior UC Consultant

Hitachi Capital UK

Senior UC Consultant


Senior UC Consultant

Areas of coverage

Application Architecture and Integration for Technical Professionals

Digital Workplace and CRM for Technical Professionals


Bachelor of Electrical Engineering from University of Varna, Bulgaria

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Top Issues That I Help Clients Address

1How to plan and execute Unified Communications/Telephony transformations and migrations.

2Implementing soft phone clients. Migrating from hardware phones to soft phones.

3How to plan and execute migration from legacy PSTN connectivity to IP/SIP based services.

4How to plan and execute Hybrid Meetings solutions for Microsoft Teams, Zoom and Webex.

5How to implement compliance voice recording with on-premises Cisco voice solution.