Ulaş Öncül - Migration Team Lead, Data Modeler

Q: Where is Ulaş based?

Ulaş is based in İstanbul, Turkey .

Q: What languages does Ulaş speak?

Ulaş speaks the following languages: Turkish (Native), English (Advanced), German (Elementary) .

Q: How many years of experience does Ulaş have?

Ulaş has at least 28 years of experience. During this time, Ulaş has worked in at least 11 different roles and for 11 different companies . The average length of individual experience is 3 years and 7 months . Note that Ulaş may not have shared all experience and actually has more experience.

Q: What is Ulaş's latest experience?

Ulaş's most recent position is Migration Team Lead, Data Modeler at Vodafone Albania / Vodafone Spain .

Q: What companies has Ulaş worked for in recent years?

In recent years, Ulaş has worked for Vodafone Albania / Vodafone Spain , Vodafone Turkey , Fibabanka , and Bahçeşehir University .

Q: Which industries is Ulaş most experienced in?

Ulaş is most experienced in industries like Insurance , Telecommunication , and Education . Ulaş also has some experience in Banking and Finance and Manufacturing .

Q: Which business areas is Ulaş most experienced in?

Ulaş is most experienced in business areas like Business Intelligence , Information Technology (IT) , and Project Management . Ulaş also has some experience in Finance , Research and Development (R&D) , and Procurement and Purchasing .

Q: Which industries has Ulaş worked in recently?

Ulaş has recently worked in industries like Education , Telecommunication , and Banking and Finance .

Q: Which business areas has Ulaş worked in recently?

Ulaş has recently worked in business areas like Business Intelligence and Information Technology (IT) .

Recommended expert

İstanbul, Turkey

Experience

Jan 2021 - Present

5 years 2 months

Migration Team Lead, Data Modeler

Vodafone Albania / Vodafone Spain

Worked for the design of the Fixed Line Business Systems
Introduced the application data model to clients
Carried out modeling sessions
Supported data migration activities
In Vodafone Spain, adapted the application and data model to a green-field business

Jan 2021 - Present

5 years 2 months

Freelance Business Intelligence Data Modeler

Vodafone Turkey

Developed an in-depth understanding of the business processes and data in the corporation
Assisted in maintaining the corporate data

Jan 2020 - Dec 2021

2 years

Freelance Business Intelligence Consultant and Data Modeler

Fibabanka

Served as product owner of data analytics and data transformation project in a Turkish bank

Jan 2018 - Present

8 years 2 months

Part-Time Lecturer

Bahçeşehir University

Taught “Business Intelligence for Managers” and “Data Analytics and Decision Making” to MBA students

Jan 2015 - Dec 2019

5 years

Data Modeler and Business Intelligence Consultant

Intellica

Led the business analysis team and acted as data modeler for restructuring data warehouse systems of MCI, the largest telco operator in the Middle East (100 M subs.)
Participated in restructuring enterprise data warehouses of Zain Jordan, Bahrain, and Kuwait
Collaborated with business stakeholders and gathered business requirements to create data model designs

Jan 2014 - Dec 2015

2 years

BI Manager

Allianz SE

Responsible for life and pension BI systems
Designed a data warehouse from scratch to cover reporting and analytic needs of Allianz Life and Pensions
Built the system using Oracle Exadata, Informatica, and Cognos

Jan 2009 - Dec 2014

6 years

Decision Support System Manager

Yapı Kredi Sigorta

Project manager for core system migration from AS/400 to a new platform on Oracle
Managed a BI team responsible for decision support systems, including operational and legal reporting
Built the BI system using Oracle Exadata, Oracle Data Integrator, and Oracle Business Intelligence Suite
Led a team developing SharePoint applications
Took active roles in analytic projects such as churn analysis and insurance rate making in property and casualty insurance
Managed and coached team members

Jan 2003 - Dec 2009

7 years

Business Intelligence Manager

Yapı Kredi Emeklilik

Implemented full-cycle BI project from product selection to execution
Designed and built the data warehouse on MS SQL Server technologies
Created management decision support models and reports for sales and marketing departments, including segmentation and churn analysis

Jan 2001 - Dec 2003

3 years

Business Analyst

Yapı Kredi Emeklilik / Yapı Kredi Yaşam

Gathered business requirements and delivered them to IT teams
Focused on requirements related to newly built pension systems

Jan 1999 - Dec 2000

2 years

Management Trainee

Yapı Kredi Yaşam

Performed research and analysis for rating of personal insurance lines and managed group products
Prepared and presented reports outlining optimum life insurance rates and risk management
Created quantitative and statistical business models using data analysis programs

Jan 1998 - Dec 1999

2 years

SAP Specialist

Söğüt Seramik Sanayi

Member of the SAP team working on finance and materials management modules

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Insurance (17 years), Telecommunication (10 years), Education (8 years), Banking and Finance (2 years), and Manufacturing (2 years).

Insurance

Telecommunication

Education

Banking and Finance

Manufacturing

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Business Intelligence (25 years), Information Technology (16 years), Project Management (6 years), Finance (3 years), Research and Development (2 years), and Procurement (2 years).

Business Intelligence

Information Technology

Project Management

Finance

Research and Development

Procurement

Skills

Rdbms**
Oracle 11g
Db2 (As/400)
Ms Sql Server
Mysql
Sap Hana
Software**
Ms Office
Ms Project
Business Intelligence
Microsoft Business Intelligence
Sharepoint
Powerdesigner
Aws Services (Glue)
Knime
Spss
Bi Solutions**
Qlikview
Tableau
Cognos
Oracle Business Intelligence
Microsoft Business Intelligence
Programming Languages**
Sql
Pl/sql
Visual Basic
Python
R

Languages

Turkish

Native

English

Advanced

German

Elementary

Education

Oct 1998 - Jun 2004

Marmara University European Union Institute

European Union Economy · İstanbul, Turkey

Oct 1994 - Jun 1998

Marmara University

Industrial Engineer · İstanbul, Turkey

Profile

Created

December 2022

Last Update

September 2023

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Ulaş based?

Ulaş is based in İstanbul, Turkey.

What languages does Ulaş speak?

Ulaş speaks the following languages: Turkish (Native), English (Advanced), German (Elementary).

How many years of experience does Ulaş have?

Ulaş has at least 28 years of experience. During this time, Ulaş has worked in at least 11 different roles and for 11 different companies. The average length of individual experience is 3 years and 7 months. Note that Ulaş may not have shared all experience and actually has more experience.

What roles would Ulaş be best suited for?

Based on recent experience, Ulaş would be well-suited for roles such as: Migration Team Lead, Data Modeler, Freelance Business Intelligence Data Modeler, Freelance Business Intelligence Consultant and Data Modeler.

What is Ulaş's latest experience?

Ulaş's most recent position is Migration Team Lead, Data Modeler at Vodafone Albania / Vodafone Spain.

What companies has Ulaş worked for in recent years?

In recent years, Ulaş has worked for Vodafone Albania / Vodafone Spain, Vodafone Turkey, Fibabanka, and Bahçeşehir University.

Which industries is Ulaş most experienced in?

Ulaş is most experienced in industries like Insurance, Telecommunication, and Education. Ulaş also has some experience in Banking and Finance and Manufacturing.

Which business areas is Ulaş most experienced in?

Ulaş is most experienced in business areas like Business Intelligence, Information Technology (IT), and Project Management. Ulaş also has some experience in Finance, Research and Development (R&D), and Procurement and Purchasing.

Which industries has Ulaş worked in recently?

Ulaş has recently worked in industries like Education, Telecommunication, and Banking and Finance.

Which business areas has Ulaş worked in recently?

Ulaş has recently worked in business areas like Business Intelligence and Information Technology (IT).

What is Ulaş's education?

Ulaş attended Marmara University European Union Institute for European Union Economy.

What is the availability of Ulaş?

Ulaş is immediately available for suitable projects.

What is the rate of Ulaş?

Ulaş's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.