What departments does SESTEK have?

SESTEK has employees across 15 departments including Program & Project Management, Human Resources, Engineering, Information Technology, Solutions Engineering.

What is the largest department at SESTEK?

The largest department at SESTEK is Engineering with 9 employees.

Where are SESTEK employees located globally?

SESTEK has employees across 4 continents and 18 countries including Egypt, Tunisia, Turkey, Philippines, Malaysia.

How has SESTEK's team size changed over time?

SESTEK's team has decreased from approximately 236 to 176 employees based on available data.

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SESTEK Employee Directory

Q: Who are SESTEK's key employees and leadership?

SESTEK's key employees include: Founder & Ceo: L. A., President: S. K., Head Of Pmo: A. A.

Software DevelopmentIstanbul, Turkey51-200 Employees

SESTEK is a mid-sized software development company based in Istanbul, Marmara Region, that has focused on AI-powered conversational automation for customer service since 2000. Its research and development team, consisting of more than 100 engineers, builds end-to-end conversational solutions designed to understand and respond to customer inquiries. The company serves more than 500 enterprise clients across about 20 countries, helping them digitize and streamline their customer service operations. 

SESTEK offers a product portfolio that includes a virtual agent for handling routine interactions, analytics for extracting insights from customer conversations, and a biometric-based caller verification capability. In 2022, SESTEK was acquired by Unifonic, a leading CPaaS provider, placing it within a broader communications platform ecosystem.

SESTEK Global Highlights

Asia
161

Turkey
147
United Arab Emirates
6
Malaysia
2
Saudi Arabia
2
Philippines
1
Bangladesh
1
India
1
Bahrain
1

Europe
11

United Kingdom Of Great Britain And Northern Ireland
3
Germany
2
Netherlands
2
Spain
1
Italy
1
Sweden
1
Belgium
1

North America
7

United States Of America
7

Africa
2

Egypt
1
Tunisia
1

SESTEK's Leadership

S. K.
President
Mobile Phone
Email
A. A.
Head Of Pmo
Mobile Phone
Email
L. A.
Founder & Ceo
Mobile Phone
Email
A. S.
Managing Director, Meapac
Mobile Phone
Email
A. K.
Managing Director
Mobile Phone
Email
F. T.
Human Resources Director
Mobile Phone
Email
S. M. K.
Director Of Software Development
Mobile Phone
Email
A. M. Y.
It & Application Support Director
Mobile Phone
Email

SESTEK Employee Metrics

100%

50%

2026

2025

Engineering
Consultant
Program & Project Management
Analytics
Sales
Other
Operations
Administrative
Product Management

Contact profiles from SESTEK

Name

Title

Contact

Location

Last Update

H. L.
Director Of Professional Services
Mobile Phone
Email
Turkey, Istanbul
Sep 09, 2026
M. I.
Director, Platform And Cloud Infrastructure
Mobile Phone
Email
Netherlands
Sep 09, 2026
R. A.
Director - Sales And Customer Success, Apac
Mobile Phone
Email
Malaysia, Federal Territory of Kuala Lumpur
Oct 07, 2026
S. K. Ö.
Turkey & Europe Sales Director
Mobile Phone
Email
Turkey
Sep 09, 2026
T. A.
R&d&i Director
Mobile Phone
Email
Turkey, Istanbul
Sep 09, 2026
E. D. B.
Global Marketing Manager
Mobile Phone
Email
Turkey, Istanbul
Oct 16, 2026
U. C. Ö.
Europe&turkey Sales Unit Manager
Mobile Phone
Email
Turkey, Istanbul
Sep 08, 2026
S. M. A.
Marketing Manager
Mobile Phone
Email
Turkey, Istanbul
Jun 29, 2026
D. Ç.
Senior Product Owner
Mobile Phone
Email
Turkey, Istanbul
Sep 18, 2026
A. T.
Sales Account Manager
Mobile Phone
Email
Turkey, Istanbul
Oct 13, 2026

Frequently Asked Questions

What is SESTEK known for?

SESTEK was founded in 2000 and operates in the Software Development industry. Explore SESTEK's company overview page for more information.

What is SESTEK's most common email format?

SESTEK employees' email format typically follows the pattern of First.Last@sestek.com. Trying to find reliable and up-to-date employee contact data? Find more SESTEK email formats with LeadIQ.

How many employees does SESTEK have currently?

SESTEK has approximately 200 employees as of October 2026. These team members are located across 4 continents, including Asia, Europe and North America.

Who are SESTEK's key employees and leadership?

As of October 2026, SESTEK's key employees include:

President: S. K.
Head Of Pmo: A. A.
Founder & Ceo: L. A.
Managing Director, Meapac: A. S.
Managing Director: A. K.

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SESTEK Employee Directory

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