Insight Partners Executive and Leadership Team

September, 2026

Leadership Overview

Insight Partners has 10 executives leading key functions including investment strategy, financial oversight, operational scaling, and technology development.

Committed to accelerating growth for software innovators, Insight Partners delivers capital and hands-on operational expertise to transform early-stage technology companies into market-leading enterprises through strategic global investment.

Leadership Roles at Insight Partners

  • Chief Financial Officer - William Goodman
  • Chief Financial Officer, -Residence - Joanne Iannacchino
  • Chief Financial Officer, Fund Accounting - Stuart Mayer
  • Chief Operating Officer - Ian Sandler
  • Residence Vice President & Chief Technology Officer - Wes Rosenberg
  • Co-Founder & Managing Director - Jeff Horing
  • Managing Director - Nick Chan
  • Managing Director - Boris Treskunov
  • Managing Director - Deven Parekh
  • Managing Director - Jeff Lieberman
  • William Goodman - Chief Financial Officer

    William Goodman, the Chief Financial Officer at Insight Partners, oversees the firm's comprehensive financial health and capital management strategies. Goodman directs all fiscal reporting, budgeting, and treasury functions to ensure the firm maintains robust liquidity for ongoing investment activities. By managing complex financial structures, the Chief Financial Officer supports the firm's ability to provide capital to high-growth software companies. This leadership role involves coordinating with the Board and external auditors to maintain transparency and regulatory compliance. William Goodman optimizes the firm's internal financial processes, allowing for efficient resource allocation across various investment funds. Through precise financial planning and risk management, Goodman safeguards the firm's assets while enabling the pursuit of aggressive growth targets. The Chief Financial Officer ensures that all fiscal operations align with the firm's broader mission of scaling technology businesses globally.

    Joanne Iannacchino - Chief Financial Officer, -Residence

    Joanne Iannacchino, the Chief Financial Officer, -Residence at Insight Partners, manages specialized financial oversight for the firm's residency programs and internal investment initiatives. Iannacchino directs the financial planning and analysis required to support the firm's unique operational models. By monitoring fiscal performance and resource utilization, the Chief Financial Officer, -Residence ensures that internal programs remain aligned with the firm's broader financial objectives. This role involves providing detailed reporting to leadership regarding the efficiency of residency-based investments. Joanne Iannacchino optimizes the financial framework for these specific programs, allowing for better decision-making and capital deployment. Through rigorous financial stewardship, Iannacchino supports the firm's mission to provide hands-on operational support to technology companies. The Chief Financial Officer, -Residence maintains a focus on fiscal discipline, ensuring that all internal initiatives contribute positively to the firm's overall growth and market impact.

    Stuart Mayer - Chief Financial Officer, Fund Accounting

    Stuart Mayer, the Chief Financial Officer, Fund Accounting at Insight Partners, manages the complex accounting processes associated with the firm's various investment funds. Mayer directs the preparation of financial statements and ensures accurate reporting for all fund-related activities. By overseeing the fund accounting team, the Chief Financial Officer, Fund Accounting maintains the integrity of the firm's financial data and ensures compliance with industry standards. This role involves coordinating with tax and legal teams to manage the financial lifecycle of each investment fund. Stuart Mayer implements robust accounting controls that provide transparency to investors and stakeholders. Through precise fund management, Mayer supports the firm's ability to deploy capital effectively into high-growth technology companies. The Chief Financial Officer, Fund Accounting ensures that all fund-level financial operations are executed with accuracy, supporting the firm's reputation for excellence in the venture capital and private equity sectors.

    Ian Sandler - Chief Operating Officer

    Ian Sandler, the Chief Operating Officer at Insight Partners, manages the firm's internal operational infrastructure and organizational efficiency. Sandler directs the execution of business processes that support the investment team's daily activities and long-term goals. By streamlining workflows and enhancing internal systems, the Chief Operating Officer ensures that the firm remains agile while scaling its global operations. This role involves overseeing cross-functional teams to maintain high performance across all departments. Ian Sandler implements strategic initiatives that improve productivity and foster a culture of excellence within the firm. Through effective operational management, Sandler enables the investment professionals to focus on identifying and supporting high-growth software companies. The Chief Operating Officer maintains a clear vision for operational scalability, ensuring that the firm's internal capabilities match the rapid growth of the technology companies within the portfolio.

    Wes Rosenberg - Residence Vice President & Chief Technology Officer

    Wes Rosenberg, the Residence Vice President & Chief Technology Officer at Insight Partners, directs the firm's internal technology strategy and digital transformation efforts. Rosenberg oversees the implementation of advanced software solutions that enhance the firm's ability to analyze market data and support portfolio companies. By architecting scalable technology infrastructure, the Residence Vice President & Chief Technology Officer ensures that the firm remains at the forefront of digital innovation. This role involves collaborating with investment teams to integrate technical insights into the firm's decision-making processes. Wes Rosenberg drives the adoption of new tools that improve operational efficiency and data security across the organization. Through strategic technology leadership, Rosenberg enables the firm to better serve its portfolio companies by providing technical guidance and resources. The Residence Vice President & Chief Technology Officer ensures that the firm's technological capabilities support its mission of scaling high-growth software businesses.

    Jeff Horing - Co-Founder & Managing Director

    Jeff Horing, the Co-Founder & Managing Director at Insight Partners, directs the firm's overarching investment philosophy and long-term vision. By identifying high-growth software and technology opportunities, Horing shapes the portfolio strategy across global markets. This leadership role involves evaluating complex market trends to ensure the firm maintains a competitive edge in the venture capital landscape. Overseeing the firm's foundational growth, the Co-Founder & Managing Director cultivates relationships with founders to drive successful exits and IPOs. Jeff Horing actively mentors the investment team, ensuring alignment with the firm's mission to scale enterprise software businesses. Through rigorous analysis and decisive capital allocation, Horing secures the firm's position as a premier partner for technology companies seeking to expand operations and achieve sustainable market dominance.
    Jeff Horing

    Nick Chan - Managing Director

    Nick Chan, the Managing Director at Insight Partners, manages high-growth investment cycles within the enterprise software and SaaS sectors. Chan evaluates potential acquisitions and provides strategic guidance to portfolio companies to accelerate revenue growth. By leveraging deep industry expertise, the Managing Director identifies emerging internet platforms that align with the firm's investment thesis. This role requires constant collaboration with the broader investment team to optimize capital deployment and operational support. Nick Chan drives initiatives that help businesses scale effectively from early stages to maturity. Through meticulous market assessment and portfolio management, Chan ensures that investments deliver significant value to stakeholders. The Managing Director maintains a focus on long-term scalability, ensuring that portfolio companies possess the necessary infrastructure to compete in a rapidly evolving global technology market.

    Boris Treskunov - Managing Director

    Boris Treskunov, the Managing Director at Insight Partners, leads investment initiatives focused on scaling enterprise software and internet platforms. Treskunov evaluates market opportunities and provides strategic support to portfolio companies to drive operational success. By identifying companies with high growth potential, the Managing Director plays a vital role in expanding the firm's footprint in the technology sector. This role involves working closely with founders to refine business models and accelerate market penetration. Boris Treskunov drives the firm's investment strategy by leveraging deep industry knowledge and a network of professional contacts. Through active portfolio management, Treskunov ensures that companies receive the necessary resources to achieve their growth milestones. The Managing Director maintains a focus on long-term value creation, ensuring that the firm's investments contribute to the overall success of the software and technology ecosystem.

    Deven Parekh - Managing Director

    Deven Parekh, the Managing Director at Insight Partners, directs global investment strategies with a focus on high-growth technology and software companies. Parekh identifies and executes investments in companies that demonstrate significant potential for market disruption. By providing strategic guidance and operational support, the Managing Director helps portfolio companies navigate the complexities of scaling their businesses. This role involves engaging with international markets to identify emerging trends and opportunities for expansion. Deven Parekh drives the firm's commitment to fostering innovation by connecting portfolio companies with the resources needed to succeed. Through rigorous analysis and a proactive investment approach, Parekh ensures that the firm remains a leader in the venture capital space. The Managing Director maintains a focus on achieving sustainable growth, ensuring that the firm's investments deliver strong returns while supporting the development of transformative technology solutions.

    Jeff Lieberman - Managing Director

    Jeff Lieberman, the Managing Director at Insight Partners, oversees investment activities within the software and technology sectors, focusing on driving growth and operational excellence. Lieberman identifies promising companies and provides the strategic support necessary to scale operations from early stages to IPO. By working closely with management teams, the Managing Director helps refine business strategies and optimize performance. This role involves evaluating market dynamics to ensure that the firm's investments remain aligned with the evolving needs of the technology industry. Jeff Lieberman drives the firm's mission by fostering strong partnerships with founders and providing the capital required for expansion. Through active engagement and strategic oversight, Lieberman ensures that portfolio companies achieve their full potential. The Managing Director maintains a focus on delivering long-term value, ensuring that the firm's investments continue to shape the future of the software and technology landscape.

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    Frequently Asked Questions Regarding Insight Partners Top Executives and Leadership Team

    Who leads Insight Partners?
    Insight Partners is led by William Goodman (Chief Financial Officer), along with executives such as Joanne Iannacchino (Chief Financial Officer, -Residence) and Stuart Mayer (Chief Financial Officer, Fund Accounting).
    Who is part of Insight Partners’s executive team?
    The executive team of Insight Partners includes leaders such as William Goodman (Chief Financial Officer), Joanne Iannacchino (Chief Financial Officer, -Residence), Stuart Mayer (Chief Financial Officer, Fund Accounting) 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, -Residence, Chief Financial Officer, Fund Accounting, Chief Operating Officer, Residence Vice President & Chief Technology Officer.