Alexandre Ternisien
Head of Customer Success at Erium | Paris, Île-de-France, France
Alexandre Ternisien’s Email & Phone Number
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Alexandre Ternisien serves as the Head of Customer Success at Erium, where he manages client engagement strategies within the information technology and services sector. Based in Paris, Île-de-France, he ensures that enterprise clients effectively utilize realistic cyber investigation simulations to stress-test their digital defenses. He holds academic credentials from King's College London and directs customer success initiatives that help security teams activate their full operational potential.
BEST APPROACH TO REACH Alexandre Ternisien
Given your directory indicates high confidence for direct communication channels, contact him via LinkedIn with a targeted opening that references Erium’s real-world cyber simulation framework to schedule a discovery call.
Head of Customer Success at Erium in July 2025 - Present
Channel Head at Erium in June 2024 - September 2025
Account Executive - France at iGrafx in June 2022 - June 2024
Account Executive, SAP Signavio at SAP Signavio in October 2021 - June 2022
Business Developer - SAP signavio at SAP Signavio in April 2021 - October 2021
Business Development Representative - EMEA South at Signavio in November 2019 - October 2021
European Affairs Office at Mairie de Paris in May 2018 - July 2018
Policy Analyst at Mercure local in October 2017 - February 2018
King's College London, Bachelor's degree, October 2026
Université Paris-Sorbonne, Master's degree, October 2026
The London School of Economics and Political Science (LSE), Intercollegiate module, October 2026
To be confident in your cyber defences, every person and technology must be confronted by reality. Activate all your cyber potentials with Erium.
Discover more about Erium
Cyber Security Sales Leader | Breach & Attack Simulation
ERIUM develops solutions based on its expertise in operational security:
BlackNoise: Breach and Attack Simulation (BAS) and continuous stress testing of cyber capabilities. BlackNoise SaaS generates controlled Cyber attacks to provide a technical cyber scoring. It automates ...
CISO - Cyber-Resilience & Crisis Director at ERIUM / Board of Directors at FIRST
Conference Program Committee Member and session chairing at FIRST
(Jun 2014 – Present)
Account Executive Cyber sécurité at @Erium
Grâce à ses solutions et expertises, Erium permet de valider et améliorer l'efficacité de chaque ligne de défense : collaborateurs, défenses cyber et résilience des organisations.
Assistante RH et gestion
Assistante Ressources Humaines et Gestion at Erium
(Jan 2024 – Present)
Gestionnaires des Stocks & Inventory Manager Chez Erium
Gestionnaire des Stocks & Inventory Manager chez Erium at Erium
(Jul 2024 – Present)
Chairman at Erium Group
CyberSecurity Expertise and Solutions. That's it.
Our Jobs ? Train your Teams, Challenge your CyberOps, Be Cyber Resilient.
Our Motto ? Hackers won't wait. Just act Fast & Serious.
Our Identity ? 50 Experts. Top Solutions (Cyber Investigation, Shadline, BlackNoise...). Europe...
What is Alexandre Ternisien email address?
Email Alexandre Ternisien at [email protected] and [email protected]. This email is the most updated Alexandre Ternisien's email found in 2026.
What is Alexandre Ternisien phone number?
Alexandre Ternisien phone number is 06 37 06 53 02.
How to contact Alexandre Ternisien?
To contact Alexandre Ternisien send an email to [email protected] or [email protected]. If you want to call Alexandre Ternisien try calling on 06 37 06 53 02. (updated on November 13, 2025)
What company does Alexandre Ternisien work for?
Alexandre Ternisien works for Erium.
What is Alexandre Ternisien's role at Erium?
Alexandre Ternisien is Head of Customer Success
What industry does Alexandre Ternisien work in?
Alexandre Ternisien works in the Information Technology & Services industry.
