Expert speakers will be with you at the conference .
Speakers

As co-founder of Epic Test Quest, Christine drives the creation of innovative test management solutions, blending practical testing insights with cutting-edge AI technologies. A passionate advocate for gamifying software testing, she makes quality engineering approachable for teams of all sizes. Christine is a regular speaker at events like EuroSTAR, TestBash, and AutomationGuild, sharing actionable insights on AI challenges and testing innovation. At ISTC 2025, she’ll bring her unique perspective to help testers navigate the complexities of AI-driven quality assurance.

A certified yoga instructor with a deep commitment to meditation, Clara blends mindfulness with her passion for harmonizing technical and human elements in the workplace. Her speaking experience spans global conferences like TestCon, TestFlix, and Nerdearla, where she shares practical insights on quality and change management. At ISTC 2025, Clara will offer a unique perspective on integrating AI into QA, equipping attendees with strategies to lead transformative change effectively.
Specializing in integrating advanced technologies like Large Language Models (LLMs) into software engineering, Ethem has led transformative projects in API and UI testing, enhancing performance and reliability across live systems. A frequent speaker at prestigious conferences such as ICSE, ESEC/FSE, and IEEE SIU, he is known for his practical, engaging presentations. At ISTC 2025, Ethem will share his insights on leveraging LLMs for test automation, offering actionable strategies to elevate testing workflows in real-world applications.
Fernando is an active disseminator of TESTAR research, presenting at conferences like RCIS and EASE, and delivering hands-on tutorials at industrial events such as Test Automation Days. At ISTC 2025, he teams up with Ramón de Vries to offer practical insights into scriptless GUI testing, drawing from his innovative work in quality assurance automation.
In addition to her industry role, Hilal is a dedicated educator, serving as a lecturer at Bahçeşehir University and Marmara University, where she inspires the next generation of QA professionals. A passionate advocate for innovation, she actively explores the transformative impact of AI and machine learning on quality assurance. With a strong foundation in testing methodologies, process optimization, and QA metrics, Hilal is committed to empowering QA engineers to navigate the evolving landscape of AI-driven testing.
Hilal is a seasoned speaker, having presented at events like the 12th International Test Istanbul Conference and Komminity QA Talks, where she shares practical insights from real-world projects. At ISTC 2025, she will bring her expertise to life, offering actionable strategies for QA professionals to thrive in the AI era.

In 1998, István transitioned from academia to entrepreneurship, founding Y2KO, a startup that provided an efficient solution to the Y2K problem. He is currently the CEO of 4Test-Plus and the creator and key contributor of Harmony, the only two-phase model-based test automation tool. His groundbreaking work includes developing an intelligent mutation testing framework to enhance testers’ test design skills, as well as co-creating a unique website with Prof. Attila Kovács where testers can practice and improve their test design.
István has made significant contributions to the testing community, serving as an author for the Advanced Test Analyst Working Group and as a member of the Agile Working Group at ISTQB. A sought-after speaker, he has delivered keynotes, invited talks, and presentations at numerous academic and industrial conferences, including ISTC 2024, where he captivated audiences with his insights.
At ISTC 2025, István will lead a full-day tutorial on “Efficient Test Design Automation,” sharing his expertise in action-state testing—a revolutionary, codeless model-based testing technique that promises to transform how testers design and automate tests.

With a rich speaking history, Jani has hosted Finland’s largest testing conference, Testing Assembly (2023, 2024), and delivered talks at events like HUSTEF, TestCon Europe, and QA Global Summit. His insights draw from real-world QA challenges across industries. At ISTC 2025, Jani will share his feasibility study on AI-augmented QA management, offering practical lessons from his work with complex corporate systems.
With a keen interest in optimizing testing processes, Merve brings a hands-on perspective to her role, bridging technical innovation with practical application. At ISTC 2025, she collaborates with Rasim Yurtcan to present a SWOT analysis of AI-supported software testing, sharing insights that reflect her experience in building and maintaining advanced testing ecosystems at Türkiye İş Bankası.

A prolific speaker, Mesut has presented at conferences like ISTC 2024, TestCon, HUSTEF, and Mobile DevOps Summit, sharing insights via talks, blog posts, and curated resources. Currently at Modus Create, LLC, he blends his expertise in testing and DevOps to drive quality innovation. At ISTC 2025, Mesut returns to explore machine learning’s role in continuous performance testing, offering practical strategies from his extensive career.
Beyond Viessmann, Michał actively shares his insights as a Quality Management Consultant, mentoring professionals to grow in their careers. A seasoned speaker, he has presented at multiple global events, blending practical experience with actionable advice. At ISTC 2025, Michał will explore critical thinking in AI-enhanced testing, offering a balanced perspective drawn from his extensive quality-focused journey. In his spare time, he enjoys archery, fishing, and a good glass of rum.

A passionate advocate for personal and professional growth, Mike is a regular speaker at industry conferences and occasionally organizes events to foster knowledge-sharing within the IT community. His insights are shaped by a rich tapestry of real-world experiences, making him a compelling voice in the field of software testing and quality assurance.
At ISTC 2025, Mike will deliver a keynote titled “Stakeholder Management is a Testing Superpower!”, drawing from his journey to explore the critical role of effective stakeholder engagement in elevating the impact and perception of testing.

Passionate about digital transformation, Murat aligns testing strategies with business goals, integrating cutting-edge technologies like AI to drive innovation. Beyond consulting, he shares his knowledge as a guest lecturer at Istanbul Technical University and has spoken at events like LambdaTest webinars. At ISTC 2025, Murat will explore AI’s role in test automation, offering practical insights from his extensive career in quality engineering.
Certified in ISTQB, SS.T.U, and ISO27001 ISMS implementation, Oguz brings deep expertise in optimizing test processes across the Software Testing Life Cycle (STLC). His work spans functional, performance, security, and automation testing for web and mobile applications, with a knack for enhancing efficiency using Agile and Kanban methodologies. He has led transformative projects in test data management (TDM), mastering static test data creation, data masking, and migration with tools like CA TDM and Ab Initio MetadataHub EDM.
Oguz’s technical toolkit includes automation frameworks (Selenium, Appium, UFT), performance testing tools (JMeter, LoadRunner), cloud solutions (AWS Device Farm), BDD frameworks (Cucumber, Karate), and CI/CD tools (Jenkins, SonarQube). With additional training in penetration testing, he excels in securing web applications.
A Computer Science graduate and active member of software testing communities, Oguz is passionate about driving innovation through AI-driven testing and agile transformation. His insights promise to inspire ISTC 2025 attendees as he shares his expertise in delivering high-quality software solutions.
LinkedIn Profile: https://www.linkedin.com/in/oguzbor/
An official ISTQB instructor, Okan is passionate about mentoring the next generation of testers, blending his deep industry experience with a commitment to education. His thought leadership shines through talks at prestigious events like HUSTEF and Test Automation Summit, where he’s inspired audiences across continents. Born in Turkey, Okan’s dedication to excellence stems from a strong work ethic, complemented by his love for music as a clarinet player—a creative outlet that fuels his personal and professional connections.
Okan continues to consult on cutting-edge projects, aiming to elevate software quality and empower professionals. Connect with him on LinkedIn to explore his work or discuss advancing your testing initiatives.
A seasoned professional, Ramón has collaborated on the TESTAR project, contributing his deep technical knowledge to scriptless GUI testing advancements. He has shared his insights at industrial conferences like TestNet and Test Automation Days, emphasizing practical applications. At ISTC 2025, Ramón joins Fernando Pastor Ricós to deliver a hands-on tutorial, showcasing scriptless testing techniques honed through decades of real-world experience.
A seasoned professional, Rasim has shared his insights at notable conferences, including Test İstanbul (2014), IBM Cloud University (2017), and MicroFocus Realize (2022). At ISTC 2025, he teams up with Merve Güler to deliver a beginner-friendly exploration of AI-supported software testing, offering practical perspectives from his work at one of Türkiye’s leading financial institutions

A prolific author of multiple books on software testing, Richie is also a prominent voice in the global testing community, hosting a software testing podcast and delivering keynotes at renowned conferences such as Software Quality Days, Agile Testing Days, and QS-Tag. For Richie, exceptional software demands a holistic approach—integrating people, processes, methods, and tools to foster a quality-first mindset that drives innovation. At ISTC 2025, Richie will share his insights, offering practical strategies to help teams transform their approach to quality in today’s dynamic development landscape.
Honored with the ISTQB Software Testing Excellence Award (2022) and EuroSTAR Testing Excellence Award (2023), Rik is a global speaker, having keynoted at ISTC 2024 and EuroSTAR eight times. As ISTC 2025 Program Chair, he leads a tutorial on Day 1 and delivers the opening keynote on Day 2, blending his GenAI expertise with hands-on quality engineering guidance.
With the full program live, join Tolgahan for “Test Amplification for REST APIs Using Large Language Models” at ISTC 2025. Drawing from 5+ years in testing and real-world case studies—like a London app used in 193 countries—Tolgahan shows how LLMs like ChatGPT revolutionize REST API testing. Expect practical techniques to cut time, boost fault detection, and amplify automation—perfect for test engineers and agile testers!
Join us May 21-22, 2025, at the Elite World Grand Istanbul Küçükyalı Hotel under our theme, “Collaborative Intelligence: The AI Testing Revolution.” Early Bird tickets are available until April 11—secure yours at https://iststc.com/!
Learn more about Tolgahan: https://www.linkedin.com/in/tolgahan-bardakci/ . Let’s amplify testing together in Istanbul!
#ISTC2025 #SoftwareTesting #QualityAssurance #AIRevolution #TestAutomation #IstanbulEvents

Vahid is the lead organizer of Azerbaijan Software Testing Days and a frequent speaker at events like TestIstanbul, SEETEST, and UCAAT, sharing practical insights from his extensive career. At ISTC 2025, he’ll deliver a hands-on tutorial on AI-assisted testing, drawing from his pioneering work with tools like Selenium, ChatGPT, and IBM Rational Functional Tester since 1998.