CoStar Group Executive and Leadership Team

May, 2026

Leadership Overview

CoStar Group has 8 executives leading key functions including strategy, technology, human resources, risk analytics, business sales, land marketplaces, legal affairs, and commercial marketplaces.

Driven by data-driven insights, CoStar Group provides essential commercial real estate information, analytics, and online marketplaces, fueling informed decisions and market efficiency across the industry.

Leadership Roles at CoStar Group

  • Founder & Chief Executive Officer - Andy Florance
  • President, CoStar Risk Analytics - John Vecchione
  • President, Business For Sale - Robert House
  • President, Land for Sale Marketplaces - Grant Taylor
  • President, CoStar Marketplaces - Frederick Saint
  • Chief Technology Officer - Frank Simuro
  • Chief Human Resources Officer - Michael Desmarais
  • Group Chief Legal Officer, Domain, Part of The Costar - Catriona McGregor
  • Andy Florance - Founder & Chief Executive Officer

    Andy Florance, the Founder & Chief Executive Officer at CoStar Group, directs the company's overarching strategy and vision. Florance architects the expansion of CoStar Group's comprehensive database of commercial real estate information, analytics, and online marketplaces. Overseeing all major strategic initiatives, the Chief Executive Officer ensures the continuous development of research capabilities that produce and maintain critical market data. This leadership role involves driving innovation across all business segments, including analytics and online platforms, to deliver unparalleled value to clients. By fostering a culture of data integrity and market insight, Andy Florance solidifies CoStar Group's position as a leader in commercial real estate intelligence, impacting market transparency and transaction efficiency globally.
    Andy Florance

    John Vecchione - President, CoStar Risk Analytics

    John Vecchione, the President, CoStar Risk Analytics at CoStar Group, leads the development and delivery of sophisticated risk assessment tools for the commercial real estate sector. Vecchione directs the strategic expansion of CoStar Risk Analytics' capabilities, providing clients with critical insights into market vulnerabilities and investment opportunities. Overseeing the analytical frameworks, the President ensures the production of robust data and methodologies that inform risk management decisions. This role involves close collaboration with data science and research teams to enhance predictive modeling and valuation services. By focusing on granular risk analysis, John Vecchione strengthens CoStar Group's offering of comprehensive commercial real estate intelligence, supporting informed investment and lending strategies.

    Robert House - President, Business For Sale

    Robert House, the President, Business For Sale at CoStar Group, drives the strategy and operations for the company's business brokerage marketplace. House oversees the platform's growth, connecting buyers and sellers of businesses with comprehensive data and analytics. Managing the marketplace operations, the President ensures a seamless and efficient transaction process for business acquisitions. This leadership role involves expanding the reach and utility of the Business For Sale platform, integrating CoStar Group's extensive data resources to provide unparalleled market insights. By enhancing the tools and services available, Robert House strengthens CoStar Group's position in facilitating business transactions and providing critical market intelligence for entrepreneurs and investors.
    Robert House

    Grant Taylor - President, Land for Sale Marketplaces

    Grant Taylor, the President, Land for Sale Marketplaces at CoStar Group, leads the strategic direction and operational execution for the company's land transaction platforms. Taylor directs the enhancement of services and data offerings within the land marketplaces, ensuring comprehensive coverage and accessibility for users. Overseeing the marketplace development, the President focuses on expanding market reach and improving the user experience for buyers and sellers of land. This role involves leveraging CoStar Group's extensive data analytics capabilities to provide accurate valuations and market trends specific to land properties. By driving innovation in this niche sector, Grant Taylor solidifies CoStar Group's commitment to providing specialized intelligence across all facets of commercial real estate.
    Grant Taylor

    Frederick Saint - President, CoStar Marketplaces

    Frederick Saint, the President, CoStar Marketplaces at CoStar Group, spearheads the strategy and growth of the company's online commercial real estate transaction platforms. Saint directs the enhancement of marketplace functionalities and user engagement, ensuring CoStar Group provides leading digital environments for property listings and transactions. Overseeing the marketplace operations, the President focuses on expanding market share and integrating advanced analytics to support client decision-making. This leadership role involves driving innovation in digital marketing and platform development to connect buyers, sellers, and brokers effectively. By optimizing the user experience and transaction efficiency, Frederick Saint reinforces CoStar Group's commitment to revolutionizing commercial real estate commerce.
    Frederick Saint

    Frank Simuro - Chief Technology Officer

    Frank Simuro, the Chief Technology Officer at CoStar Group, spearheads the technological infrastructure supporting the company's vast data operations. Simuro directs the development and implementation of advanced technology solutions that power CoStar Group's information, analytics, and online marketplaces. Overseeing the engineering teams, the Chief Technology Officer ensures the scalability and reliability of the platforms that house and process commercial real estate data. This critical role involves driving innovation in data management, AI, and cloud computing to enhance the accuracy and accessibility of market intelligence. By optimizing technological frameworks, Frank Simuro enables the continuous delivery of cutting-edge tools and insights, directly supporting the company's mission to provide comprehensive commercial real estate solutions.
    Frank Simuro

    Michael Desmarais - Chief Human Resources Officer

    Michael Desmarais, the Chief Human Resources Officer at CoStar Group, shapes the company's talent strategy and organizational development. Desmarais leads initiatives focused on attracting, retaining, and developing a high-performing workforce essential for CoStar Group's data and technology operations. Overseeing all human resources functions, the Chief Human Resources Officer ensures alignment with the company's mission to provide unparalleled commercial real estate information and analytics. This leadership position involves fostering a culture that supports innovation, collaboration, and employee growth across all departments. By cultivating a robust talent pipeline and promoting employee engagement, Michael Desmarais directly contributes to the operational excellence and sustained success of CoStar Group's global teams.
    Michael Desmarais
    Catriona McGregor, the Group Chief Legal Officer, Domain, Part of The Costar at CoStar Group, provides critical legal counsel and oversight for the company's diverse operations. McGregor directs the legal strategy and compliance initiatives, ensuring adherence to all regulatory requirements across CoStar Group's information, analytics, and marketplace services. Overseeing the legal department, the Chief Legal Officer manages all aspects of corporate law, intellectual property, and contract negotiations. This vital role involves safeguarding the company's interests and facilitating strategic growth through sound legal guidance. By ensuring robust legal frameworks, Catriona McGregor supports CoStar Group's mission to operate with integrity and drive market innovation.

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    Frequently Asked Questions Regarding CoStar Group Top Executives and Leadership Team

    Who leads CoStar Group?
    CoStar Group is led by Andy Florance (Founder & Chief Executive Officer), along with executives such as John Vecchione (President, CoStar Risk Analytics) and Robert House (President, Business For Sale).
    Who is part of CoStar Group’s executive team?
    The executive team of CoStar Group includes leaders such as Andy Florance (Founder & Chief Executive Officer), John Vecchione (President, CoStar Risk Analytics), Robert House (President, Business For Sale) and other senior executives.
    How many executives does CoStar Group have?
    CoStar Group has 8 executives leading key business areas.
    What roles are included in CoStar Group’s leadership team?
    The leadership team of CoStar Group includes roles such as Founder & Chief Executive Officer, President, CoStar Risk Analytics, President, Business For Sale, President, Land for Sale Marketplaces, President, CoStar Marketplaces.