FOUNDER
Yassine Rogui.
— The personal authority behind the practice.
19+ years in Customer Experience and CCaaS. Recognised expert on Avaya and Genesys Cloud. 400+ projects delivered. Previously with Orange Business Services and then NTT DATA before founding ExpertiaX in October 2025.
"I sell precision, not time. That is why I founded a specialist consultancy, not a body-shop."
CAREER
Nineteen years in the field.
2007
Consultant
Atos Origin
ORANGE BUSINESS SERVICES
11 years · 2008 → 2019
2016 – 2019
Pre-Sales Engineer
2014 – 2016
Expert Engineer
2008 – 2014
VoIP Engineer
2019 – 2025
Senior CX Solutions Architect
NTT DATA
2025 → today
President
ExpertiaX
Founded the firm · Independent CX & CCaaS advisory
CERTIFICATIONS
Vendor certifications.
12 certifications · 1 in progress · 2013 → 2026
CCaaS
AVAYA · 6
- Avaya Infinity® Sales (ASRA - 0025)2026
- Avaya Infinity® Design and Workflows (ADRA - 0025)2026
- APDS MidMarket Solutions2018
- ACSS Aura® Session & System Manager2015
- ACSS Call Center Elite2013
- ACSS Aura® Communication Manager and CM Messaging - Embedded (R6.X)2013
GENESYS CLOUD · 3
- Genesys Cloud Sales Associate Exam for Partner2020
- Cloud CX Certified Professional — Implementation2022
- Cloud CX Certified Professional — Administration2022
AMAZON WEB SERVICES (AWS)
- Amazon Connect Communications SpecialistIn progress
Cloud
AMAZON WEB SERVICES (AWS)
- Certified Cloud Practitioner2022–2028
Data & AI
MINES PARIS – PSL × DATASCIENTEST
- Data Analyst2025
Project management
PMI
- PMP2014
RECOMMENDATIONS
What those who worked with him say.
"Yassine is an impressive technology enthusiast, always learning new technical and business skills that match market trends and customer concerns."
Sébastien Lopez
Business Manager, Orange Business
LinkedIn recommendation · 2024
"Yassine impressed me by the way he wants to learn and also by his capacities to feel Customer expectations and translate them into the proposals he was in charge of."
Josquin Van der Meulen
Head of International Pre-Sales, Orange Business Services
LinkedIn recommendation · 2019
"During our projects, Yassine was a mentor who helped me develop a solid expertise in Avaya telephony."
Stephan Ouk
IT Platform Manager, BCV
LinkedIn recommendation · 2025