Insider One Executive and Leadership Team

August, 2026

Leadership Overview

Insider One has 7 executives leading key functions including strategy, operations, finance, marketing, revenue, and technology.

Committed to revolutionizing digital interactions, Insider One delivers an AI-powered platform that centralizes marketing technology stacks to drive seamless customer engagement for global enterprises.

Leadership Roles at Insider One

  • Co-Founder & Chief Executive Officer - Hande Cilingir
  • Chief Financial Officer - Yeliz Kalafat
  • Chief Operating Officer - Caglar Icer
  • Chief Marketing Officer & Partner - Merve Nazlioglu
  • Co-Founder & Chief Revenue Officer - Serhat Soyuerel
  • Chief Revenue Officer, Office & Director - Dilan Koşan
  • Co-Founder & Chief Technology Officer - Mehmet Toktay
  • Hande Cilingir - Co-Founder & Chief Executive Officer

    Hande Cilingir, the Co-Founder & Chief Executive Officer at Insider One, directs the overarching corporate strategy and long-term vision for the customer engagement platform. By prioritizing AI-driven innovation, the Chief Executive Officer ensures the company maintains a competitive edge in the crowded marketing technology landscape. Hande Cilingir oversees the alignment of product development with market demands, fostering growth across diverse international territories. This leadership role involves constant collaboration with the Board to secure capital and expand the global footprint. Through rigorous focus on operational excellence, the Chief Executive Officer drives the organization toward sustainable market leadership. By championing a culture of agility and technical precision, the executive empowers teams to deliver superior value to clients. Ultimately, the Chief Executive Officer secures the company's position as a premier provider of integrated marketing solutions, ensuring consistent value creation for all stakeholders involved in the ecosystem.
    Hande Cilingir

    Yeliz Kalafat - Chief Financial Officer

    Yeliz Kalafat, the Chief Financial Officer at Insider One, governs the financial health and fiscal strategy of the organization. Managing capital allocation and investment planning, the Chief Financial Officer ensures the company possesses the resources to advance AI-powered customer engagement capabilities. Yeliz Kalafat oversees financial reporting, budgeting, and long-term economic forecasting to support the company's aggressive growth objectives. This leadership role involves maintaining transparency with investors and aligning financial goals with the broader mission of consolidating marketing technology stacks. By analyzing market trends and operational costs, the Chief Financial Officer identifies opportunities for efficiency and revenue optimization. The executive provides critical insights that guide the Board in making informed decisions regarding expansion and product development. Through prudent financial stewardship, the Chief Financial Officer secures the stability required to navigate the competitive software industry while driving consistent value for the organization and its global partners.

    Caglar Icer - Chief Operating Officer

    Caglar Icer, the Chief Operating Officer at Insider One, manages the internal infrastructure and cross-functional workflows necessary to scale the customer engagement platform. Overseeing global operational efficiency, the Chief Operating Officer optimizes internal processes to support rapid expansion across EMEA and beyond. Caglar Icer coordinates with department heads to ensure that marketing and engagement tools function within a unified, high-performance system. This leadership role requires meticulous attention to resource allocation and the streamlining of service delivery models. By implementing robust operational frameworks, the Chief Operating Officer mitigates risks while accelerating the deployment of AI-powered technology solutions. The executive maintains a sharp focus on productivity metrics, ensuring that every internal function contributes directly to the company's mission of centralizing marketing technology. Through disciplined management, the Chief Operating Officer sustains the operational momentum required to meet the complex needs of a growing international client base.
    Caglar Icer

    Merve Nazlioglu - Chief Marketing Officer & Partner

    Merve Nazlioglu, the Chief Marketing Officer & Partner at Insider One, architects the brand identity and market positioning for the customer engagement platform. Driving demand generation and brand awareness, the Chief Marketing Officer & Partner ensures the company effectively communicates the value of its integrated marketing tools to businesses worldwide. Merve Nazlioglu oversees the development of strategic campaigns that highlight the unique AI-powered features of the platform. This leadership role involves collaborating with product teams to translate technical capabilities into compelling market narratives. By analyzing customer feedback and market data, the executive refines the company's outreach strategies to capture new segments. The Chief Marketing Officer & Partner maintains a focus on building a strong, recognizable presence in the software industry. Through innovative marketing initiatives, the executive expands the company's reach, ensuring that the platform remains the preferred choice for organizations seeking to centralize their marketing technology stack.

    Serhat Soyuerel - Co-Founder & Chief Revenue Officer

    Serhat Soyuerel, the Co-Founder & Chief Revenue Officer at Insider One, leads the global sales organization and revenue generation initiatives. Focusing on enterprise-level client acquisition, the Co-Founder & Chief Revenue Officer drives the adoption of the customer engagement platform across diverse international markets. Serhat Soyuerel oversees the sales pipeline, ensuring that the company meets its aggressive growth targets through strategic partnerships and direct engagement. This leadership role involves mentoring sales teams and refining the go-to-market strategy to better serve businesses looking to centralize their marketing technology. By identifying high-potential opportunities, the executive accelerates the expansion of the company's footprint. The Co-Founder & Chief Revenue Officer works closely with product and marketing leaders to ensure that revenue goals align with the company's technological roadmap. Through persistent focus on client success and market penetration, the executive secures the financial growth necessary to maintain the company's status as an industry leader.
    Serhat Soyuerel

    Dilan Koşan - Chief Revenue Officer, Office & Director

    Dilan Koşan, the Chief Revenue Officer, Office & Director at Insider One, manages the administrative and operational aspects of revenue generation. Overseeing the internal office functions that support the sales force, the Chief Revenue Officer, Office & Director ensures that the revenue team possesses the tools and environment required for peak performance. Dilan Koşan coordinates with regional directors to streamline the sales process and improve the efficiency of customer engagement tool deployment. This leadership role involves optimizing the internal infrastructure to support the company's revenue-generating activities. By focusing on the operational side of sales, the executive ensures that the organization can scale its revenue efforts without compromising service quality. The Chief Revenue Officer, Office & Director provides the necessary support to maintain high levels of productivity across the sales organization. Through meticulous management of office operations, the executive contributes directly to the company's ability to meet its financial targets and expand its market reach.

    Mehmet Toktay - Co-Founder & Chief Technology Officer

    Mehmet Toktay, the Co-Founder & Chief Technology Officer at Insider One, leads the engineering and product development teams responsible for the customer engagement platform. Architecting the AI-powered technology solutions, the Co-Founder & Chief Technology Officer ensures the platform remains at the forefront of innovation in the marketing technology space. Mehmet Toktay oversees the technical roadmap, prioritizing features that allow businesses to consolidate their marketing tools into a single, efficient system. This leadership role involves managing the development lifecycle and ensuring the scalability of the platform to meet the needs of global enterprises. By fostering a culture of technical excellence, the executive drives the creation of robust, secure, and high-performing software. The Co-Founder & Chief Technology Officer collaborates with other C-suite leaders to align technical capabilities with the company's strategic goals. Through continuous innovation, the executive ensures the platform delivers superior value, maintaining the company's competitive advantage in the software industry.
    Mehmet Toktay

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    Frequently Asked Questions Regarding Insider One Top Executives and Leadership Team

    Who leads Insider One?
    Insider One is led by Hande Cilingir (Co-Founder & Chief Executive Officer), along with executives such as Yeliz Kalafat (Chief Financial Officer) and Caglar Icer (Chief Operating Officer).
    Who is part of Insider One’s executive team?
    The executive team of Insider One includes leaders such as Hande Cilingir (Co-Founder & Chief Executive Officer), Yeliz Kalafat (Chief Financial Officer), Caglar Icer (Chief Operating Officer) and other senior executives.
    How many executives does Insider One have?
    Insider One has 7 executives leading key business areas.
    What roles are included in Insider One’s leadership team?
    The leadership team of Insider One includes roles such as Co-Founder & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Marketing Officer & Partner, Co-Founder & Chief Revenue Officer.