Johns Manville Executive and Leadership Team

November, 2026

Leadership Overview

Johns Manville has 5 executives leading key functions including information technology, financial strategy, human resources, roofing systems, and corporate leadership.

Focused on delivering high-performance building materials, Johns Manville drives global innovation in insulation and roofing solutions to enhance energy efficiency and structural integrity across diverse construction markets.

Leadership Roles at Johns Manville

  • Chief Financial Officer & Senior VP - Matthew Carabetta
  • President, Roofing Systems - Joseph Smith
  • President - Janet Myhre
  • Vice President & Chief Information Officer - John Shellenberger
  • Chief Human Resources Officer - Eric Cremer
  • Matthew Carabetta - Chief Financial Officer & Senior VP

    Matthew Carabetta, the Chief Financial Officer & Senior VP at Johns Manville, manages the fiscal health and capital allocation strategies for the organization. Overseeing global financial planning and analysis, the Chief Financial Officer & Senior VP ensures robust reporting standards across all manufacturing divisions. This leadership role involves directing treasury operations and risk management to support sustainable growth in the competitive building materials sector. By optimizing cost structures and capital expenditures, Carabetta strengthens the balance sheet for future expansion. The Chief Financial Officer & Senior VP works closely with the Board to communicate financial performance and strategic investment opportunities. Through rigorous oversight of financial controls, Matthew Carabetta drives profitability and long-term value creation. Ultimately, the Chief Financial Officer & Senior VP provides the economic foundation necessary for the company to maintain market leadership in insulation and engineered products.
    Matthew Carabetta

    Joseph Smith - President, Roofing Systems

    Joseph Smith, the President, Roofing Systems at Johns Manville, directs the strategic growth and product development for the roofing division. Overseeing the manufacturing and distribution of high-performance roofing materials, the President, Roofing Systems ensures consistent quality and market competitiveness. This leadership role involves expanding the reach of roofing solutions across commercial and industrial sectors in North America. By driving innovation in sustainable roofing technologies, Smith enhances the company's portfolio to meet modern energy efficiency standards. The President, Roofing Systems coordinates with sales and engineering teams to deliver tailored solutions for complex construction projects. Through the optimization of production workflows, Joseph Smith increases output efficiency and service reliability. Ultimately, the President, Roofing Systems secures the division's market position by delivering durable, high-quality products that address the specific needs of the building industry.

    Janet Myhre - President

    Janet Myhre, the President at Johns Manville, executes the overarching corporate strategy and operational vision for the entire organization. Overseeing the integration of insulation, roofing, and engineered products, the President ensures cohesive performance across all business units. This leadership role involves guiding the executive team to achieve long-term growth objectives while maintaining the company's reputation for manufacturing excellence. By fostering cross-functional collaboration, Myhre drives efficiency and innovation throughout the global supply chain. The President works directly with the Board to define market positioning and strategic priorities in the building materials industry. Through the implementation of high-level operational standards, Janet Myhre ensures the company remains at the forefront of the sector. Ultimately, the President provides the strategic direction necessary to sustain the company's legacy of quality and service in the global marketplace.

    John Shellenberger - Vice President & Chief Information Officer

    John Shellenberger, the Vice President & Chief Information Officer at Johns Manville, directs the digital transformation of manufacturing operations. Overseeing enterprise-wide data architecture, the Vice President & Chief Information Officer ensures seamless integration between production facilities and global supply chain networks. This leadership role involves implementing advanced cybersecurity protocols to protect proprietary manufacturing data while optimizing cloud infrastructure for scalability. By modernizing legacy systems, Shellenberger improves operational efficiency across North American and international sites. The Vice President & Chief Information Officer collaborates with the executive team to align technological investments with long-term business goals. Through the deployment of data-driven analytics, John Shellenberger enhances decision-making capabilities for the entire organization. Ultimately, the Vice President & Chief Information Officer maintains the technological backbone required to support the production of insulation and roofing materials at scale.
    John Shellenberger

    Eric Cremer - Chief Human Resources Officer

    Eric Cremer, the Chief Human Resources Officer at Johns Manville, architects the talent acquisition and organizational development strategies for the workforce. Overseeing employee engagement and performance management, the Chief Human Resources Officer ensures alignment between human capital and corporate objectives. This leadership role involves designing comprehensive training programs to support the specialized manufacturing requirements of insulation and roofing production. By fostering a culture of safety and innovation, Cremer drives retention and professional growth across all regional operations. The Chief Human Resources Officer collaborates with executive leadership to implement compensation structures that attract top-tier industry talent. Through the execution of strategic workforce planning, Eric Cremer strengthens the organizational capacity to meet evolving market demands. Ultimately, the Chief Human Resources Officer cultivates a high-performing environment that supports the company's mission to deliver superior building solutions.
    Eric Cremer

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    Frequently Asked Questions Regarding Johns Manville Top Executives and Leadership Team

    Who leads Johns Manville?
    Johns Manville is led by Matthew Carabetta (Chief Financial Officer & Senior VP), along with executives such as Joseph Smith (President, Roofing Systems) and Janet Myhre (President).
    Who is part of Johns Manville’s executive team?
    The executive team of Johns Manville includes leaders such as Matthew Carabetta (Chief Financial Officer & Senior VP), Joseph Smith (President, Roofing Systems), Janet Myhre (President) and other senior executives.
    How many executives does Johns Manville have?
    Johns Manville has 5 executives leading key business areas.
    What roles are included in Johns Manville’s leadership team?
    The leadership team of Johns Manville includes roles such as Chief Financial Officer & Senior VP, President, Roofing Systems, President, Vice President & Chief Information Officer, Chief Human Resources Officer.