Hartz Mountain Industries Executive and Leadership Team

August, 2026

Leadership Overview

Hartz Mountain Industries has 4 executives leading key functions including strategy, governance, operations, and asset management.

Anchored by a legacy of regional development, Hartz Mountain Industries maintains a commitment to excellence in real estate holdings across New York and New Jersey while fostering long-term value for stakeholders.

Leadership Roles at Hartz Mountain Industries

  • Chief Executive Officer - Kurt Hartz
  • Chairman Hartz Group Inc and Chief Executive Officer - Leonard Stern
  • President & Chief Operating Officer - Gus Milano
  • President & Chief Operating Officer - Constantino Milano
  • Kurt Hartz - Chief Executive Officer

    Kurt Hartz, the Chief Executive Officer at Hartz Mountain Industries, directs the overarching corporate strategy for the firm. This leadership role involves managing the extensive real estate portfolio across the New York and New Jersey markets. By prioritizing sustainable growth and asset appreciation, the Chief Executive Officer ensures the company maintains a competitive edge in the private sector. Kurt Hartz oversees the alignment of capital investments with long-term organizational goals. Through rigorous analysis of market trends, the Chief Executive Officer identifies new acquisition opportunities that strengthen the firm's regional footprint. This position requires constant collaboration with the board to refine operational objectives. By fostering a culture of excellence, the Chief Executive Officer drives the company toward continued success in the commercial real estate landscape. The executive maintains a focus on operational efficiency and portfolio diversification to secure the firm's future.

    Leonard Stern - Chairman Hartz Group Inc and Chief Executive Officer

    Leonard Stern, the Chairman Hartz Group Inc and Chief Executive Officer at Hartz Mountain Industries, governs the strategic vision and high-level decision-making processes. This role involves setting the tone for the firm's expansion and maintaining the integrity of the family-owned business model. Leonard Stern provides guidance on major capital allocations and long-term development projects throughout the New York and New Jersey regions. The Chairman Hartz Group Inc and Chief Executive Officer monitors the broader economic environment to mitigate risks and capitalize on emerging real estate opportunities. By leveraging decades of industry experience, the Chairman Hartz Group Inc and Chief Executive Officer ensures the company remains a dominant force in the market. This leadership function requires balancing immediate operational needs with the preservation of the firm's legacy. Through decisive action, the executive secures the company's position as a premier owner and operator of commercial real estate assets.
    Leonard Stern

    Gus Milano - President & Chief Operating Officer

    Gus Milano, the President & Chief Operating Officer at Hartz Mountain Industries, manages the day-to-day execution of real estate operations. This role focuses on the internal scaling of property management functions and the optimization of leasing activities across the New York and New Jersey portfolio. Gus Milano directs the teams responsible for facility maintenance and tenant relations to ensure high occupancy rates and operational excellence. The President & Chief Operating Officer coordinates with department heads to streamline workflows and improve service delivery. By implementing robust management systems, the President & Chief Operating Officer enhances the efficiency of the firm's vast real estate holdings. This leadership position involves overseeing the physical performance of assets and ensuring compliance with regional standards. Through proactive management, the executive supports the company's mission to provide high-quality commercial spaces while maintaining a strong focus on operational profitability and tenant satisfaction.
    Gus Milano

    Constantino Milano - President & Chief Operating Officer

    Constantino Milano, the President & Chief Operating Officer at Hartz Mountain Industries, oversees the supply chain logistics and construction management aspects of the firm's real estate projects. This role involves coordinating with contractors and vendors to ensure the timely delivery of development initiatives throughout the New York and New Jersey markets. Constantino Milano directs the technical teams responsible for infrastructure upgrades and capital improvement projects. The President & Chief Operating Officer ensures that all construction activities align with the company's quality standards and budgetary constraints. By managing complex project timelines, the President & Chief Operating Officer facilitates the successful completion of new developments and renovations. This leadership function requires deep technical knowledge and the ability to navigate regulatory environments. Through meticulous oversight of construction processes, the executive contributes to the physical growth and modernization of the firm's extensive real estate portfolio, ensuring long-term asset value.

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    Frequently Asked Questions Regarding Hartz Mountain Industries Top Executives and Leadership Team

    Who leads Hartz Mountain Industries?
    Hartz Mountain Industries is led by Kurt Hartz (Chief Executive Officer), along with executives such as Leonard Stern (Chairman Hartz Group Inc and Chief Executive Officer) and Gus Milano (President & Chief Operating Officer).
    Who is part of Hartz Mountain Industries’s executive team?
    The executive team of Hartz Mountain Industries includes leaders such as Kurt Hartz (Chief Executive Officer), Leonard Stern (Chairman Hartz Group Inc and Chief Executive Officer), Gus Milano (President & Chief Operating Officer) and other senior executives.
    How many executives does Hartz Mountain Industries have?
    Hartz Mountain Industries has 4 executives leading key business areas.
    What roles are included in Hartz Mountain Industries’s leadership team?
    The leadership team of Hartz Mountain Industries includes roles such as Chief Executive Officer, Chairman Hartz Group Inc and Chief Executive Officer, President & Chief Operating Officer, President & Chief Operating Officer.