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Sestek is a global technology company specializing in AI-powered conversational automation and speech technologies. Founded in 2000, Sestek helps organizations improve customer experience, increase efficiency, and gain valuable insights through its innovative solutions. Key offerings include Voice Biometrics for secure authentication, Speech Analytics for understanding customer interactions, Conversational AI (chatbots and virtual assistants) for automated customer service, and Call Center Technologies. Sestek serves a diverse range of industries, including finance, telecommunications, retail, and healthcare, by leveraging its deep expertise in artificial intelligence and machine learning.
Serves as the central hub for research and development, strategic planning, global operations management, and corporate administration.
Situated within ARI Teknokent, a leading Turkish technology park, providing access to a rich talent pool and fostering a collaborative R&D environment. Features modern office spaces and advanced research facilities.
An innovative, research-driven, and collaborative environment focused on developing cutting-edge AI and speech technologies. Sestek emphasizes continuous learning and professional growth in a dynamic tech setting.
As the main R&D and operational center, it drives Sestek's technological innovation and global market strategies. Its location in a major tech hub enhances its capabilities and international reach.
Sestek supports global functions including sales, marketing, customer support, research & development, and solution deployment across North America, Europe, the Middle East, and Asia. Leveraging its strategically located offices in Turkey, the USA, and the UAE, along with a network of international partners, Sestek serves a diverse client base in over 20 countries, providing localized solutions and support.
Reşitpaşa Mah. Katar Cad. No:4/1, ARI Teknokent 3, İç Kapı No:601
Istanbul
Istanbul
Türkiye
Address: Sestek Inc., 228 Hamilton Ave, 3rd Floor, Palo Alto, CA 94301, USA
To expand Sestek's presence in North America, engage with key technology partners and clients in Silicon Valley, and tailor solutions for the regional market.
Address: Sestek MEA, Dtec, Technohub 1, Dubai Silicon Oasis, Dubai, UAE
To cater to the growing demand for AI and conversational automation solutions in the MEA region and provide localized support.
Address: Üniversiteler, 1596. Cad. Hacettepe Teknokent Sit. 6C İç Kapı No:76, 06800 Çankaya/Ankara, Türkiye
To enhance Sestek's R&D capabilities and tap into the skilled engineering pool in Ankara, supporting innovation across Sestek's product lines.
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As of April 2025, SESTEK' leadership includes:
SESTEK has been backed by several prominent investors over the years, including:
Based on publicly available information, Sestek's executive team has maintained stability over the last 12 months. No major publicly announced new hires or departures at the C-suite level have been identified during this period. The existing leadership team continues to guide the company's strategic initiatives and growth.
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Sestek commonly utilizes the email format 'first.last@sestek.com' for its employees. This is the primary structure for professional communication within and outside the company. While other formats might exist for specific roles or legacy reasons, this is the most frequently encountered.
first.last@sestek.com
Format
jane.doe@sestek.com
Example
85%
Success rate
sestek.com • October 12, 2023
Sestek participated in GITEX Global 2023, one of the world's largest tech events, demonstrating its latest advancements in conversational AI, voice biometrics, and customer experience technologies to a global audience in Dubai....more
sestek.com • May 23, 2023
Sestek announced its inclusion as a Representative Vendor in the 2023 Gartner Market Guide for Voice Biometrics. This recognition highlights Sestek's capabilities and offerings in the field of voice-based authentication and fraud prevention....more
sestek.com • February 14, 2023
Sestek was recognized in the Gartner Magic Quadrant for Enterprise Conversational AI Platforms. This acknowledgment underscores Sestek's position and innovative solutions in the domain of AI-driven customer interactions and virtual assistants....more
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