Insight Partners Executive and Leadership Team

May, 2026

Leadership Overview

Insight Partners has 10 executives leading key functions including strategy, operations, and finance.

Driven by a commitment to scaling technology leaders, Insight Partners provides essential capital and operational expertise to high-growth software and internet companies, fostering their expansion from early stages through to successful IPOs.

Leadership Roles at Insight Partners

  • Chief Financial Officer - Jonathan Grossman
  • Chief Financial Officer, Fund Accounting - Stuart Mayer
  • Chief Operating Officer - Ian Sandler
  • Co-Founder & Managing Director - Jeff Horing
  • Managing Director - Thomas Krane
  • Managing Director - Rebecca Liu-Doyle
  • Managing Director - Teddie Wardi
  • Managing Director - Mike Hayes
  • Managing Director - Thilo Semmelbauer
  • Managing Director - Nikitas Koutoupes
  • Jonathan Grossman - Chief Financial Officer

    Jonathan Grossman, the Chief Financial Officer at Insight Partners, directs the firm's financial planning, reporting, and capital management. Grossman oversees all financial aspects of the firm's investments, ensuring robust fiscal health and strategic resource allocation for portfolio companies. This critical function supports the scaling of high-growth software and technology businesses, from their initial funding rounds to their eventual public market debuts. The financial strategies implemented by Jonathan Grossman are integral to Insight Partners' ability to provide comprehensive support, enabling businesses to navigate complex market dynamics. Grossman's leadership ensures financial discipline and strategic growth initiatives are effectively managed across the firm's diverse investment portfolio.
    Jonathan Grossman

    Stuart Mayer - Chief Financial Officer, Fund Accounting

    Stuart Mayer, the Chief Financial Officer, Fund Accounting at Insight Partners, leads the specialized accounting functions for the firm's investment funds. Mayer ensures accurate and compliant financial reporting for all managed capital, maintaining the integrity of fund operations. This role is crucial for supporting the firm's investment activities in high-growth software and technology sectors, providing transparent financial oversight. The meticulous fund accounting practices established by Stuart Mayer are fundamental to building investor confidence and facilitating the firm's growth trajectory. Mayer's expertise ensures that all financial transactions and reporting adhere to the highest standards, supporting Insight Partners' mission to scale businesses effectively.

    Ian Sandler - Chief Operating Officer

    Ian Sandler, the Chief Operating Officer at Insight Partners, manages the firm's internal operations and ensures efficient execution of its investment strategies. Sandler optimizes operational processes to support the scaling of portfolio companies, focusing on enhancing efficiency and effectiveness across all business functions. This role involves coordinating resources and implementing best practices to facilitate growth from early-stage development through to IPO readiness. The operational framework developed by Ian Sandler directly supports the firm's commitment to providing hands-on support to software and technology businesses. Sandler's oversight ensures that Insight Partners can effectively deploy capital and provide the necessary infrastructure for its clients' expansion in the competitive enterprise software and SaaS markets.

    Jeff Horing - Co-Founder & Managing Director

    Jeff Horing, the Co-Founder & Managing Director at Insight Partners, architects the firm's investment strategy and oversees its global operations. Horing directs capital allocation towards high-growth software and technology companies, ensuring alignment with the firm's mission to scale businesses from inception to public offering. This leadership role involves identifying market opportunities and guiding portfolio companies through critical growth phases. By focusing on enterprise software, SaaS, and internet platforms, Horing drives significant value creation. The strategic direction established by Jeff Horing underpins the firm's consistent success in the venture capital and private equity landscape, solidifying its position as a key player in technology investment.
    Jeff Horing

    Thomas Krane - Managing Director

    Thomas Krane, the Managing Director at Insight Partners, drives investment initiatives and manages key portfolio relationships within the software and technology sectors. Krane identifies and evaluates high-potential growth companies, providing strategic guidance to facilitate their expansion from early stages to market leadership. This role involves deep engagement with enterprise software, SaaS, and internet platforms, ensuring alignment with Insight Partners' operational support model. The investment acumen demonstrated by Thomas Krane is central to the firm's success in identifying and nurturing scalable businesses. Krane's leadership contributes significantly to the firm's ability to deliver substantial returns and foster innovation across its investment portfolio.

    Rebecca Liu-Doyle - Managing Director

    Rebecca Liu-Doyle, the Managing Director at Insight Partners, spearheads investment strategies and directs operational support for a portfolio of high-growth technology companies. Liu-Doyle focuses on scaling businesses within the enterprise software and SaaS markets, guiding them through critical development phases toward IPO. Her expertise lies in identifying disruptive technologies and fostering sustainable growth models. The strategic oversight provided by Rebecca Liu-Doyle ensures that portfolio companies receive tailored support to achieve market dominance. Liu-Doyle's leadership is instrumental in driving value creation and solidifying Insight Partners' reputation for successfully scaling innovative technology ventures globally.

    Teddie Wardi - Managing Director

    Teddie Wardi, the Managing Director at Insight Partners, leads investment efforts and provides strategic direction for software and technology companies within the firm's portfolio. Wardi focuses on identifying and nurturing high-potential businesses, guiding their expansion from early-stage funding through to significant market presence. This involves deep engagement with SaaS and internet platform companies, ensuring they receive the operational support necessary for scaling. The investment approach championed by Teddie Wardi emphasizes sustainable growth and market leadership. Wardi's contributions are vital to Insight Partners' mission of empowering technology innovators and achieving successful exits through strategic capital deployment and expert guidance.

    Mike Hayes - Managing Director

    Mike Hayes, the Managing Director at Insight Partners, drives investment strategies and oversees the growth of technology companies within the firm's global portfolio. Hayes focuses on identifying and supporting high-potential software and internet businesses, ensuring they receive the capital and operational expertise needed for rapid scaling. His role involves close collaboration with management teams to navigate market challenges and capitalize on growth opportunities, particularly within the enterprise software and SaaS sectors. The strategic vision of Mike Hayes is crucial for maximizing portfolio value and achieving successful outcomes for investors. Hayes's leadership ensures that Insight Partners continues to be a premier partner for scaling technology ventures worldwide.

    Thilo Semmelbauer - Managing Director

    Thilo Semmelbauer, the Managing Director at Insight Partners, directs investment activities and provides strategic guidance to a diverse range of software and technology companies. Semmelbauer focuses on identifying firms with significant scaling potential, offering capital and operational support to accelerate their growth from early stages to market leadership. This involves deep expertise in enterprise software, SaaS, and internet platforms, ensuring portfolio companies are well-positioned for success. The strategic insights provided by Thilo Semmelbauer are critical for navigating complex market dynamics and driving value creation. Semmelbauer's leadership reinforces Insight Partners' commitment to fostering innovation and achieving successful outcomes for its technology investments.

    Nikitas Koutoupes - Managing Director

    Nikitas Koutoupes, the Managing Director at Insight Partners, leads investment initiatives and provides strategic oversight for high-growth software and technology companies. Koutoupes focuses on identifying disruptive market opportunities and guiding portfolio firms through critical scaling phases, from initial funding to IPO. His expertise spans enterprise software, SaaS, and internet platforms, ensuring companies receive tailored operational support. The strategic direction set by Nikitas Koutoupes is fundamental to Insight Partners' success in accelerating business growth and maximizing value. Koutoupes's leadership ensures the firm continues to empower technology innovators and achieve significant market impact globally.

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    Frequently Asked Questions Regarding Insight Partners Top Executives and Leadership Team

    Who leads Insight Partners?
    Insight Partners is led by Jonathan Grossman (Chief Financial Officer), along with executives such as Stuart Mayer (Chief Financial Officer, Fund Accounting) and Ian Sandler (Chief Operating Officer).
    Who is part of Insight Partners’s executive team?
    The executive team of Insight Partners includes leaders such as Jonathan Grossman (Chief Financial Officer), Stuart Mayer (Chief Financial Officer, Fund Accounting), Ian Sandler (Chief Operating Officer) and other senior executives.
    How many executives does Insight Partners have?
    Insight Partners has 10 executives leading key business areas.
    What roles are included in Insight Partners’s leadership team?
    The leadership team of Insight Partners includes roles such as Chief Financial Officer, Chief Financial Officer, Fund Accounting, Chief Operating Officer, Co-Founder & Managing Director, Managing Director.