TerrAscend Executive and Leadership Team

June, 2026

Leadership Overview

TerrAscend has 6 executives leading key functions including strategy, marketing, finance, information technology, and regional operations.

Driven by a commitment to operational excellence, TerrAscend is dedicated to advancing the cannabis industry through innovation, quality, and responsible practices across North America.

Leadership Roles at TerrAscend

  • President & Chief Executive Officer - Ziad Ghanem
  • Interim Chief Financial Officer - Alisa Campbell
  • President, Midwest - Mary Turon
  • President - Chantelle Elsner
  • Chief Marketing Officer & Executive Vice President, Marketing - Bj Carretta
  • Chief Information Officer & Executive Vice President - David Wheeler
  • Ziad Ghanem - President & Chief Executive Officer

    Ziad Ghanem, the President & Chief Executive Officer at TerrAscend, directs the company's overarching strategy and operational execution across its North American footprint. Ghanem oversees all facets of the business, ensuring alignment with TerrAscend's mission to lead the cannabis market through vertically integrated operations. This leadership role involves driving growth initiatives, optimizing business performance, and fostering a culture of innovation within the organization. By managing key strategic partnerships and guiding the executive team, Ziad Ghanem ensures the company maintains its competitive edge in licensed cultivation, processing, and retail operations. The Chief Executive Officer's focus remains on expanding market share and enhancing shareholder value through disciplined execution and strategic development. Ghanem's leadership ensures the continued success of TerrAscend's award-winning dispensary chain and scaled cultivation facilities on both coasts.
    Ziad Ghanem

    Alisa Campbell - Interim Chief Financial Officer

    Alisa Campbell, the Interim Chief Financial Officer at TerrAscend, provides critical financial oversight and strategic guidance for the company's fiscal operations. Campbell manages all financial planning, accounting, and reporting functions, ensuring the integrity and accuracy of financial data across the organization. This leadership role involves optimizing financial performance, managing capital allocation, and mitigating financial risks associated with TerrAscend's vertically integrated cannabis operations. By collaborating with the executive team, Alisa Campbell supports strategic decision-making through robust financial analysis and forecasting. The Interim Chief Financial Officer's responsibilities include ensuring compliance with all relevant financial regulations and driving efficiencies in financial processes. Campbell's expertise is vital for maintaining financial stability and supporting the company's expansion efforts in key North American markets.

    Mary Turon - President, Midwest

    Mary Turon, the President, Midwest at TerrAscend, directs and oversees all operational activities and strategic growth within the company's Midwest region. Turon manages the execution of TerrAscend's business plan across licensed cultivation, processing, and retail operations in key Midwest markets. This leadership position involves ensuring operational excellence, driving revenue growth, and fostering strong relationships with local stakeholders and regulatory bodies. By leading the regional team, Mary Turon ensures alignment with corporate objectives and adapts strategies to meet specific market demands. The President, Midwest's focus is on optimizing performance and expanding TerrAscend's footprint within this vital geographic area. Turon's leadership is instrumental in solidifying the company's market position and achieving operational targets in the Midwest.

    Chantelle Elsner - President

    Chantelle Elsner, the President at TerrAscend, spearheads strategic initiatives and operational management for designated business segments. Elsner directs key functions critical to TerrAscend's vertically integrated model, ensuring seamless execution across cultivation, processing, and retail operations. This executive role involves driving performance improvements, identifying new market opportunities, and fostering cross-functional collaboration to achieve company goals. By overseeing specific operational areas, Chantelle Elsner ensures adherence to quality standards and regulatory compliance. The President's focus is on enhancing operational efficiency and contributing to the overall strategic direction of the company. Elsner's leadership is vital for driving sustainable growth and reinforcing TerrAscend's position as a leading North American cannabis operator.

    Bj Carretta - Chief Marketing Officer & Executive Vice President, Marketing

    Bj Carretta, the Chief Marketing Officer & Executive Vice President, Marketing at TerrAscend, architects and executes comprehensive marketing strategies that elevate the company's brand presence and drive consumer engagement. Carretta directs all marketing initiatives, including brand development, digital marketing, and customer relationship management, ensuring consistency across TerrAscend's diverse portfolio of retail locations and product lines. This executive position involves translating market insights into actionable campaigns that resonate with target audiences and support sales objectives. By overseeing the marketing department, Bj Carretta ensures effective communication of TerrAscend's value proposition and its commitment to quality and innovation. The Chief Marketing Officer's efforts are crucial for expanding the reach of The Apothecarium brand and driving traffic to retail outlets. Carretta's strategic vision fuels customer loyalty and market penetration, directly impacting revenue growth and brand equity.
    Bj Carretta

    David Wheeler - Chief Information Officer & Executive Vice President

    David Wheeler, the Chief Information Officer & Executive Vice President at TerrAscend, leads the company's technology strategy and digital transformation initiatives. Wheeler oversees all aspects of information technology, including infrastructure, cybersecurity, data management, and software development, ensuring robust and scalable systems support TerrAscend's complex operations. This executive role involves implementing innovative technological solutions that enhance operational efficiency, improve data analytics capabilities, and secure sensitive company information across cultivation, processing, and retail segments. By directing the IT department, David Wheeler ensures that technology infrastructure effectively supports business objectives and compliance requirements. The Chief Information Officer's focus is on leveraging technology to drive competitive advantage and streamline operations. Wheeler's strategic vision for technology is essential for the continued growth and modernization of TerrAscend's North American business.
    David Wheeler

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    Frequently Asked Questions Regarding TerrAscend Top Executives and Leadership Team

    Who leads TerrAscend?
    TerrAscend is led by Ziad Ghanem (President & Chief Executive Officer), along with executives such as Alisa Campbell (Interim Chief Financial Officer) and Mary Turon (President, Midwest).
    Who is part of TerrAscend’s executive team?
    The executive team of TerrAscend includes leaders such as Ziad Ghanem (President & Chief Executive Officer), Alisa Campbell (Interim Chief Financial Officer), Mary Turon (President, Midwest) and other senior executives.
    How many executives does TerrAscend have?
    TerrAscend has 6 executives leading key business areas.
    What roles are included in TerrAscend’s leadership team?
    The leadership team of TerrAscend includes roles such as President & Chief Executive Officer, Interim Chief Financial Officer, President, Midwest, President, Chief Marketing Officer & Executive Vice President, Marketing.