LEONIDAS FENGOS

LEONIDAS FENGOS

LEONIDAS FENGOS

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leonidas@lfengos.com

Send your inquiry for professional finance consulting services. I respond within 24–48 business hours.

Call direct

Available for scheduled calls: 

❊ Monday to Saturday

❊❊ 09:00–09:45 & 19:00–21:30

❊❊❊ UTC+2 (winter) / UTC+3 (summer)

❊❊❊ For Greeks: EET / EEST

Please email first to arrange a convenient time.

If you wish to schedule a freelance consulting service, please select the category that best fits your needs. My focus is on Financial & Business Analysis, Decision Support, and Systems-Aware Analytical Services.

❊ Financial & Business Analysis Support

❊ Decision Support & Reporting

❊ Systems-Aware Analytical Consulting

Kindly provide your account details so that a receipt can be issued and sent to you accordingly.

Booking

I help organisations make better decisions by turning financial and system-level data into clear insights. With a background in Finance, IT, and data analysis, I bridge the gap between business needs and technical systems, supporting performance measurement, reporting, and strategic planning.

Financial & Business Analyst – Freelance | Systems-Oriented

View my professional experience, endorsements, and portfolio highlights.

Greece (onsite/remotely)

Europe (onsite/remotely)

@About Me

#Experience

Academic Work 

TESTIMONIALS

Leonidas Fengos had been working at Piraeus Bank for 4 years. He was a member of Insurance Agency team and offered a great deal of solutions to the requests we got from ERGO Insurance & NN Hellas. He dealt mainly with WCF services design & implementation, but he also implemented Windows apps and Services. Leonidas is a hard working person, eager to offer the best solution to an assignment.

Antonof Stelios

IT Service Development Team Leader - Transaction Banking @Piraeus Bank

Financial & Business Analyst | Systems-Oriented | MSc Finance | MBA (in progress)

Financial & Business Analysis 

Conduct comprehensive financial and business analyses to support strategic decision-making and improve organizational performance.

Decision Support & Reporting 

Provide actionable insights and reports to assist management in making informed, evidence-based business decisions.

Financial Data Interpretation 

Analyze and interpret financial datasets to identify trends, risks, and opportunities for business growth.

KPI & Business Performance Analysis 

Track, evaluate, and present key performance indicators (KPIs) to monitor organizational success and guide strategy.

leonidas@lfengos.com

Send your inquiry for professional finance consulting services. I respond within 24–48 business hours.

Call direct

Available for scheduled calls: 

❊ Monday to Saturday

❊❊ 09:00–09:45 & 19:00–21:30

❊❊❊ UTC+2 (winter) / UTC+3 (summer)

❊❊❊ For Greeks: EET / EEST

Please email first to arrange a convenient time.

If you wish to schedule a freelance consulting service, please select the category that best fits your needs. My focus is on Financial & Business Analysis, Decision Support.

Pay via  PayPal/Revolut

❊ Financial & Business Analysis Support

❊ Decision Support & Reporting

Kindly provide your account details so that a receipt can be issued and sent to you accordingly.

Booking

I help organisations make better decisions by turning financial and system-level data into clear insights. With a background in Finance, IT, and data analysis, I bridge the gap between business needs and technical systems, supporting performance measurement, reporting, and strategic planning.

Financial & Business Analyst – Freelance | Systems-Oriented

View my professional experience, endorsements, and portfolio highlights.

Greece (onsite/remotely)

Europe (onsite/remotely)

@About Me

#Experience

Academic Work 

Financial & Business Analyst | Systems-Oriented | MSc Finance | MBA (in progress)

Financial & Business Analysis 

Conduct comprehensive financial and business analyses to support strategic decision-making and improve organizational performance.

Decision Support & Reporting 

Provide actionable insights and reports to assist management in making informed, evidence-based business decisions.

Financial Data Interpretation 

Analyze and interpret financial datasets to identify trends, risks, and opportunities for business growth.

KPI & Business Performance Analysis 

Track, evaluate, and present key performance indicators (KPIs) to monitor organizational success and guide strategy.

leonidas@lfengos.com

Send your inquiry for professional finance consulting services. I respond within 24–48 business hours.

Call direct

Available for scheduled calls: 

❊ Monday to Saturday

❊❊ 09:00–09:45 & 19:00–21:30

❊❊❊ UTC+2 (winter) / UTC+3 (summer)

❊❊❊ For Greeks: EET / EEST

Please email first to arrange a convenient time.

If you wish to schedule a freelance consulting service, please select the category that best fits your needs. My focus is on Financial & Business Analysis, Decision Support.

Pay via  PayPal/Revolut

❊ Financial & Business Analysis Support

❊ Decision Support & Reporting

Kindly provide your account details so that a receipt can be issued and sent to you accordingly.

Booking

I help organisations make better decisions by turning financial and system-level data into clear insights. With a background in Finance, IT, and data analysis, I bridge the gap between business needs and technical systems, supporting performance measurement, reporting, and strategic planning.

Financial & Business Analyst – Freelance | Systems-Oriented

View my professional experience, endorsements, and portfolio highlights.

Greece (onsite/remotely)

Europe (onsite/remotely)

@About Me

#Experience

Academic Work 

Financial & Business Analyst | Systems-Oriented | MSc Finance | MBA (in progress)

Systems-Aware Analytical Support 

Integrate operational and financial knowledge with IT systems to enhance data-driven decision-making.

Excel & Data Visualization for Financial Insights 

Develop clear and impactful Excel models and visualizations to present financial insights and support reporting.

SQL & Data Queries for Analysis (conceptual / supporting) 

Utilize SQL queries and data extraction techniques to retrieve, manipulate, and analyze business information effectively.

Process Optimization & Workflow Analysis 

Evaluate and optimize business processes to improve efficiency, reduce costs, and support strategic initiatives.

Online Courses & Professional Development 

Engage in continuous learning through online courses and workshops to enhance financial, analytical, and business skills.

Web Portfolio for Professional Analytics Presentation 

Build and maintain a professional web portfolio to showcase analytical work, case studies, and consulting expertise.

leonidas@lfengos.com

Send your inquiry for professional finance consulting services. I respond within 24–48 business hours.

Call direct

Available for scheduled calls: 

❊ Monday to Saturday

❊❊ 09:00–09:45 & 19:00–21:30

❊❊❊ UTC+2 (winter) / UTC+3 (summer)

❊❊❊ For Greeks: EET / EEST

Please email first to arrange a convenient time.

If you wish to schedule a freelance consulting service, please select the category that best fits your needs. My focus is on Systems-Aware Analytical Services.

❊ Systems-Aware Analytical Consulting

Kindly provide your account details so that a receipt can be issued and sent to you accordingly.

Booking

I help organisations make better decisions by turning financial and system-level data into clear insights. With a background in Finance, IT, and data analysis, I bridge the gap between business needs and technical systems, supporting performance measurement, reporting, and strategic planning.

Financial & Business Analyst – Freelance | Systems-Oriented

View my professional experience, endorsements, and portfolio highlights.

Greece (onsite/remotely)

Europe (onsite/remotely)

@About Me

#Experience

Academic Work 

@About Me

Rate & Terms
Services

Finance & Business Analyst | Strategic Decision Support | MBA (in progress)

Throughout my professional journey, I have gained exposure to diverse organizational environments, enhancing my analytical, problem-solving, and decision-support capabilities. Collaborating with cross-functional teams has strengthened my ability to interpret financial data, provide actionable insights, and support informed business decisions. Contributing to the success of organizations through structured analysis and evidence-based reasoning has been consistently motivating.

I hold Bachelor’s degrees in IT and Mathematics, a Graduate Certificate in  Computational Mathematics and  Informatics, and an MSc in Finance, with an MBA currently in progress. My academic training has shaped a disciplined and strategic approach to analysis, allowing me to integrate business, financial, and systems understanding in complex decision-making contexts.

Professionally, I have gained experience in Finance and IT-related environments, particularly within Insurance, Investments, and Banking (including systemic banks and NPL-related structures). Since early 2022, I have been working as a freelance professional, providing analytical and systems-aware support to businesses and helping bridge financial insight with operational realities.

Professional Memberships: 
  • CFA Institute (since 2019)
  • Technical Chamber of Greece (since 2020)
  • Economic Chamber of Greece – A Class Accountant faculty (since 2021)
  • Royal Economic Society, UK (since 2021)
  • Hellenic Mathematical Society (since 2023)
  • International Institute of Business Analysis (since 2026)
Signature

Personal Information

  • Name Leonidas Fengos
  • Born 12/1982
  • Cell Phone (+30) 6945-262-746
  • Available Days Monday to Saturday
  • International UTC+2 (winter) / UTC+3 (summer)
  • For Greeks EET / EEST
  • Available Hours 09:00–09:45 & 19:00–21:30
  • Booking/Contract Pay per ad hoc service
  • Residence Piraeus, Greece
View Resume

Project Management Skills

Organise project communication, reporting and documentation

Enhance project management processes in the organisation

Be the point of contact regarding project issues for the stakeholders

Coordinate tasks and internal resources on projects

Report project status and risks to the stakeholders

Monitor project progress

Seminars - Certificates

Companies Collaboration

Companies Collaboration (Current/Previous)

Experience & Skills

Finance Services
Finance IT Data

Earned Badges

Current

  • Now 01/2022

    Financial & Business Analyst – Freelance | Systems-Oriented | MBA (in progress)

    Freelance / Contract / Self-Employed
    Providing analytical and systems-aware support to businesses, with a focus on financial and business insight, decision support, and structured analysis. Collaborate with organizations to interpret financial and operational data, support strategic decision-making, and bridge business understanding with data-driven solutions. Freelance projects involve exposure to finance environments, including Banking, Insurance, and Investment contexts, while leveraging systems and analytical tools to enhance clarity, reporting, and operational insight.
  • Now 03/2024

    Senior Software Engineer

    Wheels Car Rental System

Previous (9 years in banking, navigating Greece’s economic crisis)

  • 02/2024 09/2022

    (Outsource) Senior Software Engineer

    Alpha Bank Group (Greece)

    Outsource operations via Intrust S.A. ithin the ALPHA Bank (Systemic Bank) (Business and IT).

    ➦ Develop and maintain new features for Alpha Bank (internal software)
    ➦ Monitoring and supporting various big projects which belong to the following sectors: investment, governance and IT.
    ➦ Collaborate through interior projects monitoring software with all the above sectors and provide efficient advice and solutions.

  • 8/2022 11/2019

    (Outsource) Data Services Manager

    Cepal Hellas Financial Services S.A.

    Outsource operations via Omniworks within the Cepal SA (Fund for NPL/Financial Services).

    ➦ Writing documentation for IT department with technical information and a sum up of business specs.
    ➦ Working in Agile metholody and collaborate with colleagues and with different departments.
    ➦ Maintaining and implementing automatic jobs processing (ETL) SSIS (Visual Studio 2019), using JSON technology.
    ➦ Maintaining, coding and developing in Visual Studio 2019 and part for team implementing, REST-WebAPIs’ projects & MVC projects using and maintenance microservices architect applications.

  • 10/2019 4/2019

    Senior Software Engineer

    MOTIVIAN SA, ATHENS, GREECE

    ➦ Carrying out various projects based on the client's.
    ➦ Analyzing the business and collaborating with the Developers' team and QA's team for completion.
    ➥ Exploring and processing each project and collaborating with the team to ensure its efficiency, using and maintenance microservices architect applications.

  • 4/2019 2014

    Application Services Manager

    PIRAEUS AGENCY SOLUTIONS

    Working in the Piraeus Bank (Systemic Bank/Financial Institution)

    IT on Bancassurance Software (IBS, ERGO Sales Tool, and Insurance Products of Winbank) and handling the following issues:

    ➦ Cooperating with the ERGO team in Greece and Poland to deliver a Bancassurance Software System.
    ➦ Working in Agile metholody and collaborate with colleagues and with different departments.
    ➦ Ensuring the proper decision making to achieve the best performance of the code.
    ➦ The ability to display flexibility and corporate effectively with the various departments within the Bank as well as with external clients to deliver on time various projects.
    ➦ Implementing coding for the transactions (payment and updating the information to the PB system) of the Piraeus Bank system through the Insurance Brokerage System (IBS) of the Bank.

Past

  • 01/2016 06/2015

    Developer Consultant

    INTELLISOLUTIONS, ATHENS, GREECE

    Responsible for validation documents for fraud on software. Carrying out engineering tasks regarding the auditee and the reliability of the platform.

  • 05/2014 08/2013

    Report Developer

    NIELSEN

    Responsible for delivering reports which focused on selling in retail according to the client’s needs (Mars Inc Europe).

  • 07/2013 08/2011

    Software Engineer

    Private Sector

    Worked in various projects with different technologies and learnt new tools as a way of solving problems (airplanes schedule business, organizational structure). During this period, work involved various projects using different technologies.
    ➦ Use of the following technologies:⚡ Delphi 6,⚡ Web development in ASP.NET with C# code and .NET 3.5, ⚡ Using and writing queries in SQL Server and MySQL,⚡ Writing code in WPF and WebForms and Windows Forms.

  • 07/2011 03/2011

    Software Engineer

    LOGiN Ltd

    ➦ Carrying out administrative reports on the project of Panathinaikos B.C.
    ➦ Using the technology of SSRS 2008 (SQL Server Reporting Services) build for MS Dynamics CRM
    2011 platform.
    ➦ Use of the following technologies:⚡ Build reports in SSRS using Visual Studio 2010,⚡ Learning and using Microsoft Dynamics CRM 4.0 platform.

  • 10/2010 08/2009

    Military Reserved First Lieutenant

    Hellenic Army / Military School

    Engineering School - Research & Computer Science
    ➦ Τechnical support for PCs' daily in the maintenance (fixing issues in software and hardware in PC over infrastructure level)

  • 05/2009 05/2009

    Software Engineer Intern

    Forecast - Market Research and Management Consultant

    Responsible for fixing personal computers at office and manuals prepare the various for processes in the IT department.

  • 10/2008 04/2008

    Informatics Engineer Apprenticeship

    University of West Attica

    Activities and societies: ➦ Make a research over the network of the Dep. of Informatics about a better achieving QoS over the network.
    ➦ Create a manual with LaTeX writing it in script language, debugging and compiling it in Linux environment (Slackware). At the end it was exported in PDF and delivered at the end of apprentice.

Selected Case: KPI & Business Performance Analysis

Objective
To support management decision-making by analysing key financial and operational indicators and assessing overall business performance within a financial services environment.

Scope
The analysis focused on financial efficiency, cost behaviour, and reporting effectiveness, utilising structured performance indicators.

Key Performance Indicators (KPIs)

  • Revenue trend over time
  • Operating expenses and cost behaviour
  • Operating margin
  • Cost-to-income ratio
  • Timeliness and accuracy of financial reporting

Methodology
Data was collected from structured sources and financial records, then cleaned and organised for analysis. KPIs were calculated and compared across reporting periods to identify trends, deviations, and potential risk areas. Results were summarized in management-oriented reports to support clarity and informed decision-making.

Outcome
The analysis highlighted areas of increasing operational costs and opportunities for improved efficiency, supporting management in strengthening performance monitoring and decision-making.

Business Analysis Tools

Office 365 & 2019

95%

SSIS

95%

SSRS

95%

SQL Command & Statements

90%

VISUAL STUDIO 2026 and below

95%

.NET FRAMEWORK 4.8 and below

95%

Notepad++

95%

Soap UI

95%

Postman

95%

Supporting Tools

Excel & Access

95%

XML

95%

JSON

95%

C#

95%

JAVASCRIPT

90%

HTML5

90%

Consulting Service Rates & Engagement Terms

Services
About Me
Notice: Kindly provide your account details to enable us to issue and forward your receipt after the charge has been completed.
Pay via     

In Greece, services are provided in accordance with EU professional practices, and invoicing is issued in compliance with Greek tax law.
Services are provided in accordance with EU professional practices. The VAT treatment applies based on the client’s jurisdiction and EU VAT regulations.

Finance & Business Consultancy

Offering practical business finance support, including financial reporting, KPI review, and data-driven insights to improve decision-making.

Financial Data Entry & Validation

Preparation of Financial Reports & Management Dashboards

KPI & Business Performance Analysis

Evidence-Based Decision Support

Basic Financial Analysis & Reporting

(Book a session or prepay Revolut / PayPal)

Systems & IT Support

Providing tailored IT solutions for business operations, database management, and software engineering.

ETL (Extract, Transform, Load)

SSRS (SQL Server Reporting Services)

SQL Statements, Stored Procedures & Functions

Professional Web Portfolio Development

C# Programming in Visual Studio

(Book a session or prepay — Revolut / PayPal)

Tutoring & Online Courses

Hourly Rates for College and University Students:

University: Mathematical Analysis, Numerical Analysis, Data Structures, Algorithms and Computational Complexity

University/College: Algebra and Equation Solving (on-site)

University: Programming Languages (Prolog, Ada, C, C++, C#)

(Book a session or prepay — Revolut / PayPal)

Hourly Rates for High School Students:

High School: Algebra, Geometry, Logic Programming

(Book a session or prepay —  Revolut / PayPal)

Online Writing Instruction

Hourly Fee for Online Essay Writing Services

Essays for Mathematics, Software Engineering, Financial Analysis

(Book a session or prepay — Revolut /  PayPal)

Household Management

Practical guidance in home management and budgeting, offered remotely or on-site. Focused on straightforward, actionable advice.

Services & Hourly Rates:

  • Household Management Guidance

  • Budgeting & Household Financial Planning

(Book a session or prepay — Revolut / PayPal)

Learning – Academic Development – Understanding

Services
About Me

Academic Development

  • Now 10/2023

    MBA (cand), WITH SPECIALISM IN STRATEGY

    Heriot-Watt University, Edinburgh, Scotland, UK

    Edinburgh Business School

    This degree will deepen my understanding of strategic frameworks and strengthen my skills in strategic management. By applying strategic principles to real-world business challenges, it will help me develop the capabilities needed to guide people and organizations through change, overcome complex operational issues, and support long-term success.

    The program will also give me the chance to explore strategic models, analyze case studies, and build the ability to navigate complex business environments, offering a direct look into the challenges companies face across the world.

    With the support of experienced faculty, it will provide the knowledge and tools needed to understand best practices in strategic management and to make effective, informed, and impactful business decisions.

  • 01/2023 10/2021

    MBA PROGRAMME – ATTENDANCE ONLY

    University of Leicester, Leicester, England, UK

    School of Business

    Managing and Developing People and Organisations
    This module explored organisational behaviour, leadership, motivation, and performance management. It focused on aligning people development with business goals through strategic HR practices. I gained insights into workplace dynamics and effective leadership for driving organisational success.

  • 11/2019 11/2014

    MSc FINANCE

    University of Leicester, Leicester, England, UK

    School of Business

    I have gained solid experience in financial concepts, theory, and transactional processes across both the banking and commercial sectors. My knowledge has further expanded through hands-on involvement with electronic transactions and core banking systems, strengthening my understanding of modern financial operations.

    This learning aligns with the principles promoted by the University of Leicester School of Business, where emphasis is placed on analytical thinking, evidence-based decision-making, and the practical application of financial knowledge in real business environments. The school’s approach to developing globally minded professionals has helped reinforce my ability to evaluate financial data, understand market dynamics, and apply theoretical frameworks to real-world situations.

    Through this combination of practical experience and academically informed insight, I continue to build a strong foundation in finance, banking operations, and strategic financial analysis.

    Dissertation: An empirical analysis of the factors which determined the changes in the UK's credit risk of the banking system from 2003 until now (LANG: EN)

  • 11/2013 09/2010

    DIPLOMA IN COMPUTATIONAL MATHEMATICS AND INFORMATICS

    University Of Patras, Patras, Peloponnese, GR

    Department of Mathematics

    Gained experience in specific areas of Mathematics, focusing on algorithmic efficiency and reducing computational complexity. Worked on debugging and improving algorithm implementation and maintainability. Used Visual Studio 2008 to develop and test algorithms in C#, within both console applications and Windows Forms.

    Dissertation: Multimedia application with C# and Microsoft .ΝΕΤ (LANG: GR)

  • 10/2008 10/2004

    BSc in COMPUTER ENGINEERING AND INFORMATICS

    University of West Attica, Athens, Central Greece, GR

    Department of Informatics and Computer Engineering

    During my studies in Computer Engineering and Informatics at the University of West Attica, I developed a strong foundation in software development, computer systems, and modern information technologies. The program strengthened my analytical thinking and problem-solving abilities, while hands-on coursework trained me to design efficient systems and build reliable software solutions. This academic background equipped me with the technical and practical skills needed to adapt confidently to the fast-evolving digital landscape.

    Thesis: Quality of Service (QoS) over the Internet Technology (LANG: GR)

  • 06/2004 10/2000

    BSc MATHEMATICS

    University Of Patras, Patras, Peloponnese, GR

    Department of Mathematics

    During my studies in the Department of Mathematics at the University of Patras, I built a solid foundation in advanced mathematical reasoning, problem-solving, and analytical thinking. The program exposed me to core areas such as algebra, analysis, probability, and computational mathematics, while strengthening my ability to approach complex problems with clarity and precision. This academic background enhanced my logical structure of thinking and prepared me to apply mathematical principles effectively in real-world and interdisciplinary environments.

  • 09/2000 05/1999

    High School Diploma

    Civitanideio Public School of Arts and Professions, Athens, Central Greece, GR