Christos Filis
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Christos Filis Email & Phone Number

Head of Customer Support and Operations Excellence at Cosmote Payments S.A. at OTE Group of Companies (HTO)
Location: Greece 10 work roles 2 schools
1 work email found @ote.gr LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Work email c****@ote.gr
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Role
Head of Customer Support and Operations Excellence at Cosmote Payments S.A.
Location
Greece
Company size

Who is Christos Filis? Overview

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Quick answer

Christos Filis is listed as Head of Customer Support and Operations Excellence at Cosmote Payments S.A. at OTE Group of Companies (HTO), a with 7442 employees, based in Greece. AeroLeads shows a work email signal at ote.gr and a matched LinkedIn profile for Christos Filis.

Christos Filis previously worked as Head of Customer Support & Operations Excellence at Cosmote Payments S.A. at Ote Group Of Companies (Hto) and Fintech Growth Center at Ote Group Of Companies (Hto). Christos Filis holds Msc, Technoeconomic Management & Security Of Digital Systems from University Of Piraeus.

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Email format at OTE Group of Companies (HTO)

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cfilis@ote.gr
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Profile bio

About Christos Filis

With over 9 years of experience in the digital domain, I am a customer support and operations leader at Cosmote Payments, a fintech subsidiary of OTE Group of Companies. I specialize in defining and executing customer satisfaction strategies, designing customer journeys, and utilizing evidence-based and analytical approaches to understand customer needs and enhance customer lifetime value.As a PMI certified project manager, I have successfully led and delivered complex projects involving digital wallet and shared economy services, collaborating with cross-functional teams and applying Agile and OKR methodologies. I have also served as the technical manager for the implementation of our mobile app, ensuring alignment and coordination among the technical and design teams. I am passionate about adopting innovative and forward-thinking solutions for corporate development and profitability, while continuously expanding my skills and knowledge in the fintech field.

Listed skills include Telecommunications, Mobile Devices, Ip, Network Design, and 46 others.

Current workplace

Christos Filis's current company

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OTE Group of Companies (HTO)
Ote Group Of Companies (Hto)
Head of Customer Support and Operations Excellence at Cosmote Payments S.A.
Greece
Website
Employees
7442
AeroLeads page
10 roles

Christos Filis work experience

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

Head Of Customer Support & Operations Excellence At Cosmote Payments S.A.

Athens, Attiki, Greece

Objective: To enhance customer lifetime value and maximize profitability by assuming the roles of problem solver, evangelist, customer advocate, and business leader.Key Responsibilities:- Define corporate and customer strategies, design customer journeys, and utilize evidence-based and analytical approaches to understand customer needs.- Recruit and manage a proficient customer support team, ensuring seamless communication across diverse channels (video call, email, telephone, live chat, AI Bot, social media).- Collaborate with the management board to develop and execute customer satisfaction strategies.- Lead customer-centric initiatives, empower front-line employees to deliver exceptional customer experiences, and inspire customer support and success teams to achieve customer-centric objectives.- Facilitate product development optimization through the incorporation of customer feedback.Challenges:The role confronts challenges related to regulatory compliance, establishing trust in fintech apps, ensuring user privacy, addressing AML and cyber threats, maintaining software quality, and navigating industry complexities.Key Success Factors:This role is responsible for driving customer satisfaction, retention, and maximization of Customer Lifetime Value. Key success factors encompass elevating Customer Satisfaction (CSAT) and Advocacy (NPS) scores, managing a cost-effective operational strategy (€4M), and generating revenue and profit growth.Decision Making:In this position, policies are formulated within broad functional guidelines. The role involves establishing plans, setting priorities, and implementing effective processes to achieve the objective of increasing customer lifetime value and profitability.

New Business Development

Athens, Greece

As a member of a self-managed corporate start-up, I reported directly to the CEO and played a crucial role in designing, developing, and delivering digital services. Within an agile environment, I held various responsibilities including:- Acting as the Product Owner for digital wallet and shared economy services: This involved defining product specifications, prioritizing the backlog, and ensuring seamless coordination between the technical and design teams to achieve our established business and sprint goals.- Serving as the Technical Manager for the implementation of our mobile app: I was responsible for maintaining alignment among the technical and design teams while strategically planning releases in production.- Functioning as the QA Manager: In this capacity, I designed, planned, and executed the end-to-end quality assurance process to ensure top-notch product delivery.- Managing budget controls and third-party contracts: I successfully oversaw financial matters, maintaining a firm grasp on budget management and effectively handling contracts with external vendors.These roles were instrumental in contributing to the overall success of the company, as I consistently demonstrated my ability to excel in a fast-paced and dynamic start-up environment.

Mar 2019 - Jun 2021

Senior Manager Of Kpi'S & Performance Monitoring Department

In my position, I have assumed diverse responsibilities related to monitoring Key Performance Indicators (KPIs) and optimizing performance to align with the company's overall strategy and goals. These responsibilities include:- Leading the digital transformation of technicians: I have developed and executed a comprehensive Digital Transformation Project in line with the Business Strategy. This initiative aims to enhance technicians' touchpoints with seamless and digital experiences. Through cross-functional collaboration, I have fostered communication, gathered feedback, and shared best practices to continuously improve the overall customer experience throughout the entire lifecycle.- Acting as the Project Management Office (PMO) for Technology operations' IT Projects: I oversee multiple IT projects, ensuring their timely completion within allocated budgets. Additionally, I enforce adherence to the company's processes and standards for project development and execution, optimizing efficiency and quality.- Coordinating Field operations for company-wide Transformation Projects (IP Transformation): I hold overall responsibility for customers' IP transformation carried out by technicians. This entails project planning, implementation, and continual monitoring and reporting of progress to stakeholders, including commercial, IT, and technology teams.- Serving as the business owner of Siebel implementation for Technology and Operations Units: I am accountable for consolidating all trouble ticketing systems into the Siebel suite. This involves meticulous project planning, setting goals and deliverables, managing project timelines, and providing consistent progress updates to stakeholders.Throughout these roles, I have played a vital part in supporting the company's operations, driving transformative initiatives, and achieving operational excellence.

Oct 2013 - Mar 2019

Section Manager Of B2B Technical Support & Implementation

Athens, Attiki, Greece

• Customer's Technical Support KPIs: Fully responsible for monitoring and optimization, ensuring that company's overall strategy and goals are supported by 2nd and 3rd level operations. • Implementation of E2E Ticketing System for Fault to Repair process: Business owner for the consolidation of Customers’ trouble ticketing systems into Siebel suite. Implement for first time in OTE an Expert System (Solvatio Software) and integrate all the information to the Technicians through Click Software.• Focal Point with Customer Service and Commercial Teams: to ensure alignment on system and business process among involved parties

Nov 2011 - Sep 2013

Otebusiness Customer Service

Athens, Attiki, Greece

Responsible for B2B Customer Contact Center process, monitoring customers SLA, specify operations systems fuctions and requirements for systems improvements.• Coordinator for Call Centers transformation: merging different short numbers into one, defining call routing policy and 1st level support internal process improvement• KPI monitoring: Contact center KPIs for calls, mails and any form of interaction with customers• Presentation expert: Responsible for creating presentations for Contact center KPIs, Model or Improvements internal or to Customers

Jul 2008 - Nov 2011

Customer Care, Technical Department, Otenet

• Call Center Agent: Technical Support and troubleshooting on Company’s products and Services• UAT expert user: Team member to check and assure a product or service before commercial launch

Jul 2006 - Jul 2008

Ιτ Support Operator

Vrattimos Doulos

Tripoli, Peloponnese, Greece

Feb 2001 - Sep 2001
Team & coworkers

Colleagues at OTE Group of Companies (HTO)

Other employees you can reach at cosmote.gr. View company contacts for 7442 employees →

2 education records

Christos Filis education

FAQ

Frequently asked questions about Christos Filis

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

What company does Christos Filis work for?

Christos Filis works for OTE Group of Companies (HTO).

What is Christos Filis's role at OTE Group of Companies (HTO)?

Christos Filis is listed as Head of Customer Support and Operations Excellence at Cosmote Payments S.A. at OTE Group of Companies (HTO).

What is Christos Filis's email address?

AeroLeads has found 1 work email signal at @ote.gr for Christos Filis at OTE Group of Companies (HTO).

Where is Christos Filis based?

Christos Filis is based in Greece while working with OTE Group of Companies (HTO).

What companies has Christos Filis worked for?

Christos Filis has worked for Ote Group Of Companies (Hto), Hellenic Telecommunications Organisation, National Bank Of Greece, and Vrattimos Doulos.

Who are Christos Filis's colleagues at OTE Group of Companies (HTO)?

Christos Filis's colleagues at OTE Group of Companies (HTO) include Δημήτρης Κέκερης, Ektoras Melanis, Elena Zakka, Christos Antoniou, and Giota Kalafati.

How can I contact Christos Filis?

You can use AeroLeads to view verified contact signals for Christos Filis at OTE Group of Companies (HTO), including work email, phone, and LinkedIn data when available.

What schools did Christos Filis attend?

Christos Filis holds Msc, Technoeconomic Management & Security Of Digital Systems from University Of Piraeus.

What skills is Christos Filis known for?

Christos Filis is listed with skills including Telecommunications, Mobile Devices, Ip, Network Design, Voip, Integration, Business Process, and Tcp/Ip.

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