Stream Executive and Leadership Team

October, 2026

Leadership Overview

Stream has 5 executives leading key functions including investment strategy, operational efficiency, financial oversight, human capital management, and organizational development.

Committed to excellence in commercial real estate, Stream delivers comprehensive leasing, property management, and development solutions that drive sustainable value for clients across diverse national markets.

Leadership Roles at Stream

  • Chief Financial Officer - Damien Matherne
  • Chief Operating Officer - Blake Kendrick
  • Chief Human Resources Officer - Kate Lengyel
  • Chief People Officer (Interim) - Sam Dwinell
  • Managing Director - Jeremy Lumbreras
  • Damien Matherne - Chief Financial Officer

    Damien Matherne, the Chief Financial Officer at Stream, directs all fiscal planning, capital allocation, and financial reporting activities. Overseeing the company's economic health, the Chief Financial Officer ensures that investment strategies align with long-term profitability goals. This leadership role involves managing complex financial structures for property development and asset management projects. By optimizing capital deployment, Damien Matherne directly impacts the company's growth trajectory and financial stability. The Chief Financial Officer collaborates with the executive team to evaluate new market opportunities and assess the financial viability of large-scale real estate ventures. Matherne maintains rigorous oversight of budgetary controls and risk management protocols to protect the firm's assets. Through precise financial modeling and strategic forecasting, the Chief Financial Officer supports the company's mission to provide top-tier real estate services. This position requires constant interaction with investors and stakeholders, ensuring transparency and fiscal responsibility while driving the firm's overall economic success in a dynamic market environment.
    Damien Matherne

    Blake Kendrick - Chief Operating Officer

    Blake Kendrick, the Chief Operating Officer at Stream, directs all internal business operations and facilities management protocols. Overseeing the daily execution of property services, the Chief Operating Officer ensures seamless integration between leasing teams and facility maintenance departments. This leadership role involves optimizing operational workflows to enhance efficiency across the entire commercial real estate portfolio. By streamlining internal processes, Blake Kendrick directly impacts the company's ability to deliver superior tenant experiences. The Chief Operating Officer monitors performance metrics to identify areas for improvement, ensuring that all regional operations adhere to the highest standards of service excellence. Kendrick manages cross-functional teams to support the firm's development and investment objectives. Through rigorous oversight of operational infrastructure, the Chief Operating Officer maintains the company's competitive edge in the industry. This role requires constant vigilance regarding market shifts, allowing Kendrick to pivot operational strategies to meet evolving client needs while ensuring consistent, high-quality service delivery across all managed properties.
    Blake Kendrick

    Kate Lengyel - Chief Human Resources Officer

    Kate Lengyel, the Chief Human Resources Officer at Stream, directs all talent acquisition, employee development, and corporate culture initiatives. Overseeing the workforce strategy, the Chief Human Resources Officer ensures that the company attracts and retains top-tier professionals capable of delivering exceptional real estate services. This leadership role involves designing comprehensive training programs and performance management systems that align with the firm's core values. By fostering a high-performance environment, Kate Lengyel directly impacts the company's ability to innovate and excel in the competitive commercial real estate market. The Chief Human Resources Officer collaborates with department heads to address staffing needs and promote professional growth across all regional offices. Lengyel manages internal communications and employee engagement efforts to maintain a cohesive organizational culture. Through strategic workforce planning, the Chief Human Resources Officer supports the company's mission by ensuring that the right talent is positioned to drive operational success and client satisfaction across the entire organization.
    Kate Lengyel

    Sam Dwinell - Chief People Officer (Interim)

    Sam Dwinell, the Chief People Officer (Interim) at Stream, directs organizational development and employee relations strategies. Overseeing the human capital framework, the Chief People Officer (Interim) ensures that internal policies support the company's commitment to excellence in commercial real estate services. This leadership role involves refining organizational structures to improve collaboration and productivity across diverse teams. By championing inclusive workplace practices, Sam Dwinell directly impacts the company's ability to maintain a motivated and high-achieving workforce. The Chief People Officer (Interim) works closely with the executive team to align human capital initiatives with the firm's broader business objectives. Dwinell manages talent retention strategies and leadership development programs to prepare the organization for future growth. Through proactive management of personnel-related challenges, the Chief People Officer (Interim) ensures that the company remains a preferred employer in the real estate sector. This role requires constant focus on building a resilient organizational culture that supports the firm's mission and long-term strategic goals.

    Jeremy Lumbreras - Managing Director

    Jeremy Lumbreras, the Managing Director at Stream, directs high-level investment initiatives and commercial leasing strategies. Overseeing complex asset portfolios, the Managing Director ensures alignment with broader corporate goals regarding property development and tenant representation. This leadership role involves navigating competitive real estate landscapes to maximize portfolio performance and client returns. By architecting robust investment frameworks, Jeremy Lumbreras directly impacts the company's market position within the commercial sector. The Managing Director coordinates with regional teams to execute large-scale projects, ensuring that every asset meets rigorous sustainability and operational standards. Through meticulous analysis of market trends, Lumbreras secures long-term growth for the firm. This position requires constant collaboration with internal stakeholders to refine service delivery models, ultimately driving the expansion of the company's footprint across key North American markets while maintaining a focus on high-quality asset management and strategic development.

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    Frequently Asked Questions Regarding Stream Top Executives and Leadership Team

    Who leads Stream?
    Stream is led by Damien Matherne (Chief Financial Officer), along with executives such as Blake Kendrick (Chief Operating Officer) and Kate Lengyel (Chief Human Resources Officer).
    Who is part of Stream’s executive team?
    The executive team of Stream includes leaders such as Damien Matherne (Chief Financial Officer), Blake Kendrick (Chief Operating Officer), Kate Lengyel (Chief Human Resources Officer) and other senior executives.
    How many executives does Stream have?
    Stream has 5 executives leading key business areas.
    What roles are included in Stream’s leadership team?
    The leadership team of Stream includes roles such as Chief Financial Officer, Chief Operating Officer, Chief Human Resources Officer, Chief People Officer (Interim), Managing Director.