Yellowstone Landscape Executive and Leadership Team

May, 2026

Leadership Overview

Yellowstone Landscape has 4 executives leading key functions including strategy, finance, information technology, and operations.

Driven by a commitment to excellence, Yellowstone Landscape delivers comprehensive commercial landscaping solutions, focusing on professional maintenance, irrigation, tree care, installation, and snow removal to enhance client properties and ensure operational continuity.

Leadership Roles at Yellowstone Landscape

  • President & Chief Executive Officer - Harry Lamberton
  • Chief Financial Officer - Timothy Sherman
  • President - John Cerul
  • Chief Information Officer - Gabriel Perez
  • Harry Lamberton - President & Chief Executive Officer

    Harry Lamberton, the President & Chief Executive Officer at Yellowstone Landscape, directs the company's overall strategic vision and operational execution. Lamberton guides the enterprise in delivering professional landscape services, encompassing Landscape Maintenance, Irrigation Installation and Repair, Tree Care Services, Landscape Installation and Enhancements, and Snow & Ice Removal. This leadership role involves aligning departmental objectives with the company's growth targets and market expansion initiatives. By fostering a culture of innovation and client-centricity, Harry Lamberton ensures Yellowstone Landscape maintains its position as a full-service commercial landscaping provider. The executive's focus remains on optimizing service delivery across all operational verticals and driving sustainable business development. Lamberton's strategic oversight extends to managing key stakeholder relationships and ensuring the company's long-term financial health and market competitiveness.

    Timothy Sherman - Chief Financial Officer

    Timothy Sherman, the Chief Financial Officer at Yellowstone Landscape, manages all financial aspects of the organization. Sherman oversees budgeting, financial planning, and risk management to support the company's comprehensive commercial landscaping services. This includes ensuring fiscal responsibility for Landscape Maintenance, Irrigation Installation and Repair, Tree Care Services, Landscape Installation and Enhancements, and Snow & Ice Removal operations. The Chief Financial Officer's responsibilities extend to optimizing capital allocation and driving financial performance across all business units. By implementing robust financial controls and reporting mechanisms, Timothy Sherman ensures transparency and accountability. Sherman's strategic financial guidance is critical for sustaining the company's operational scale and supporting its market presence. The executive's work directly impacts the company's ability to invest in new technologies and expand its service offerings.

    John Cerul - President

    John Cerul, the President at Yellowstone Landscape, drives operational excellence across the company's diverse service offerings. Cerul oversees the execution of Landscape Maintenance, Irrigation Installation and Repair, Tree Care Services, Landscape Installation and Enhancements, and Snow & Ice Removal, ensuring high standards of quality and efficiency. This leadership position involves managing regional operations and optimizing resource deployment to meet client demands effectively. The President's focus is on enhancing service delivery processes and fostering strong client relationships. By directing field operations and coordinating cross-functional teams, John Cerul ensures seamless project completion and client satisfaction. Cerul's strategic input is vital for refining operational strategies and expanding the company's service footprint. The executive's commitment to operational integrity underpins Yellowstone Landscape's reputation for reliability and professionalism.

    Gabriel Perez - Chief Information Officer

    Gabriel Perez, the Chief Information Officer at Yellowstone Landscape, leads the company's technology strategy and digital transformation initiatives. Perez directs the implementation and management of IT infrastructure supporting all commercial landscaping services, including Landscape Maintenance, Irrigation Installation and Repair, Tree Care Services, Landscape Installation and Enhancements, and Snow & Ice Removal. The Chief Information Officer's role involves ensuring the security, efficiency, and scalability of all technology systems. By leveraging data analytics and innovative software solutions, Gabriel Perez enhances operational workflows and client service delivery. Perez's expertise is crucial for maintaining a competitive technological edge in the landscaping industry. The executive's focus includes optimizing resource management through digital platforms and driving digital adoption across the organization. Gabriel Perez ensures technology investments align with business objectives and contribute to overall company growth.

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    Frequently Asked Questions Regarding Yellowstone Landscape Top Executives and Leadership Team

    Who leads Yellowstone Landscape?
    Yellowstone Landscape is led by Harry Lamberton (President & Chief Executive Officer), along with executives such as Timothy Sherman (Chief Financial Officer) and John Cerul (President).
    Who is part of Yellowstone Landscape’s executive team?
    The executive team of Yellowstone Landscape includes leaders such as Harry Lamberton (President & Chief Executive Officer), Timothy Sherman (Chief Financial Officer), John Cerul (President) and other senior executives.
    How many executives does Yellowstone Landscape have?
    Yellowstone Landscape has 4 executives leading key business areas.
    What roles are included in Yellowstone Landscape’s leadership team?
    The leadership team of Yellowstone Landscape includes roles such as President & Chief Executive Officer, Chief Financial Officer, President, Chief Information Officer.