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Dimitris Triantafyllou Email & Phone Number

Head of Customer Engagement at NN
Location: Greece 14 work roles 4 schools
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✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
NN
Role
Head of Customer Engagement
Location
Greece
Company size

Who is Dimitris Triantafyllou? Overview

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Quick answer

Dimitris Triantafyllou is listed as Head of Customer Engagement at NN, a with 10089 employees, based in Greece. AeroLeads shows a matched LinkedIn profile for Dimitris Triantafyllou.

Dimitris Triantafyllou previously worked as Commercial Director at Novibet and Head of Revenue Growth for International Markets at Novibet. Dimitris Triantafyllou holds Digital Strategies For Business from Columbia Business School.

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Email format at NN

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NN

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Profile bio

About Dimitris Triantafyllou

Senior professional with extensive experience from top tier organizations in the telecommunications and iGaming industries. Talented in leading and developing successful, high performing teams, which drive commercial success and revenue growth through innovative customer marketing strategies. Proven excellence in designing, developing and deploying growth strategies & projects, combining digital transformation and operational excellence methodologies, to drive customer experience and loyalty, resulting to increased lifetime value.

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Dimitris Triantafyllou's current company

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NN
Nn
Head of Customer Engagement
Greece
Website
Employees
10089
AeroLeads page
14 roles

Dimitris Triantafyllou work experience

A career timeline built from the work history available for this profile.

Head Of Customer Engagement

Nn

Greece

Commercial Director

Greece

Responsible for strategy and commercial budget (full P&L, marketing plans’ responsibility) to accelerate revenue growth. Well-informed and detailed business plans, regarding commercial opportunities related to expansion, potential partnerships, customer experience and product enhancements. Main territories of responsibility: Europe -Greece, Cyprus, Italy, Ireland-, LATAM -Brazil, Mexico, Chile, Ecuador, Peru- & Rest World -Canada, New Zealand, Finland.

Head Of Revenue Growth For International Markets

Greece

Oct 2022 - Feb 2023

Head Of Vip Customers

Greece

Designed from scratch and launched the globally innovative program of VIP account management, across KAIZEN’s countries (Europe, incl Greece, Cyprus, Romania, Germany, Portugal, Bulgaria, Czech, LATAM incl Brazil, Chile, Peru & Rest World incl Canada, Nigeria). • Design & execute the VIP Acceleration Plan, focusing on revenue growth through operational excellence, customer experience, and brand awareness. Main acceleration pillars: People, Structure, Systems, Processes, CX & Brand• Digital transformation of outbound campaign center (Retention & Selling activities) launching Zendesk-Sell and Aircall as main tools • Create the Real Time Bonus Computation AI Model, which calculates customers’ incentives

Jun 2020 - Oct 2022

Senior Manager – B2B Crm, Customer Experience & Contact Centers

Greece

Drove B2B strategy, offering top class customer experience and service. Led and developed a task force of 20 in-house employees, over 100 outsourced FTEs and 2 external partners (CQS, ICAP)• Outsourced the in-house operations of Call Centers (over 100 agents), while decreasing the FTE cost & transforming the CC philosophy from cost center to profit center• Built a premium Business Exclusive Care team, with dedicated Account managers and agents for top corporate customers• CX revamp project: part of 5-strong task force, representing B2B segment, CRM and sales, reporting directly to the CEO & BoD

Oct 2018 - Jun 2020

Manager – B2B Crm, Customer Value Management & Customer Analytics

Athens, Greece

CRM department transformation via incorporating value management and customer analytics.• Marketing Excellence Award – THETIS Retention tool is an innovative and fully automated contract renewal marketing program, which is based on customer behavior insights and machine learning, to increase retention, revenues and improve the customer experience• Single Digit Churn Rate for B2B converged Mobile & Fixed Services• Created the B2B Customer Base Behavioral Segmentation, which was vital to segment the customer base in different clusters, to better identify opportunities for sustainability and growth

Mar 2016 - Sep 2018

Supervisor - B2B Customer Value Management

Greece

Measured and controlled the revenue inflows and outflows from all channels: retail shops, call centers, direct sales force. • Launched a new discounts’ scheme to reduce discounts & credits per customer• Designed acquisition matrix for all channels, and executed retention strategy (renewals) for Key Accounts, reducing requests for counter offers, due to automatic matrix & decreasing credits

Jan 2015 - Mar 2016

Coordinator - B2B Crm

Greece

Designed the main outbound campaign plan of B2B customers focusing on retention and ARPU uplift.

Nov 2013 - Dec 2014

Retail Services Product Manager

Greece

Sep 2012 - Nov 2013

Crm & Research Coordinator

Greece

Oct 2011 - Sep 2012

Retention Representative

Greece

Sep 2009 - Oct 2011

Site Administrator / Sales

E-Gate Ltd

Greece

Jan 2008 - Jun 2008

Service Workshop

Greece

Dec 2005 - Jun 2006

It Support Technician

Greece

Apr 2005 - Sep 2005
Team & coworkers

Colleagues at NN

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4 education records

Dimitris Triantafyllou education

Digital Strategies For Business

Digital Customer Behaviors, Platform Business Models, Big Data, Build Data as a Strategic Asset

Master’S Degree, Digital Systems & Services - Network-Oriented Information Systems

FAQ

Frequently asked questions about Dimitris Triantafyllou

Quick answers generated from the profile data available on this page.

What company does Dimitris Triantafyllou work for?

Dimitris Triantafyllou works for NN.

What is Dimitris Triantafyllou's role at NN?

Dimitris Triantafyllou is listed as Head of Customer Engagement at NN.

Where is Dimitris Triantafyllou based?

Dimitris Triantafyllou is based in Greece while working with NN.

What companies has Dimitris Triantafyllou worked for?

Dimitris Triantafyllou has worked for Nn, Novibet, Kaizen Gaming, Wind Hellas, and Hellas Online.

Who are Dimitris Triantafyllou's colleagues at NN?

Dimitris Triantafyllou's colleagues at NN include Seçil Özçalıcı, Donna Van Beelen, Zsuzsanna Balazs, Pepe Pepetinho, and Andreas Tsompolis.

How can I contact Dimitris Triantafyllou?

You can use AeroLeads to view verified contact signals for Dimitris Triantafyllou at NN, including work email, phone, and LinkedIn data when available.

What schools did Dimitris Triantafyllou attend?

Dimitris Triantafyllou holds Digital Strategies For Business from Columbia Business School.

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