HSC Executive and Leadership Team

June, 2026

Leadership Overview

HSC has 5 executives leading key functions including operations, finance, human resources, information technology, and strategic initiatives.

Driven by a commitment to innovation, HSC is dedicated to providing hyper-pure polysilicon, essential for the semiconductor industry, thereby enhancing global technological advancement and daily life.

Leadership Roles at HSC

  • Chief Financial Officer - Michael Moen
  • Chief Operating Officer - Fernando Signorini
  • Chief of Staff - Harry Mika
  • Chief Information Officer - Kirk Royster
  • Chief Human Resources Officer - Barbara Metcalf
  • Michael Moen - Chief Financial Officer

    Michael Moen, the Chief Financial Officer at HSC, manages all financial planning, reporting, and investment strategies. Overseeing the fiscal health of the organization, Moen ensures robust financial controls and drives profitability for the company. This critical role involves managing capital allocation, optimizing cash flow, and developing long-term financial forecasts to support HSC's growth objectives. By analyzing market trends and economic conditions, Michael Moen provides strategic financial guidance to the executive team. The Chief Financial Officer plays a key part in securing funding for operational expansions and technological upgrades, vital for maintaining HSC's status as a sole US-headquartered polysilicon manufacturer. Moen's expertise is essential for navigating the financial complexities of the global semiconductor supply chain.
    Michael Moen

    Fernando Signorini - Chief Operating Officer

    Fernando Signorini, the Chief Operating Officer at HSC, directs all manufacturing and operational activities, ensuring the consistent production of hyper-pure polysilicon. Overseeing the complex processes required for semiconductor-grade materials, Signorini drives efficiency and quality across the production facilities. This leadership role involves optimizing supply chain logistics and maintaining stringent safety protocols, critical for a high-tech manufacturing environment. By implementing advanced operational strategies, Fernando Signorini directly supports HSC's position as a leading global provider. The Chief Operating Officer ensures seamless integration of new technologies into the manufacturing workflow, maintaining HSC's competitive edge in the United States and globally. Signorini's focus remains on scaling production capabilities to meet increasing market demand for essential electronic components.
    Fernando Signorini

    Harry Mika - Chief of Staff

    Harry Mika, the Chief of Staff at HSC, facilitates strategic execution and operational alignment across all departments. Overseeing key cross-functional initiatives, Mika ensures that executive priorities translate into actionable plans and measurable outcomes. This role involves managing special projects, optimizing internal communication flows, and supporting the CEO in driving organizational effectiveness. By acting as a central point of coordination, Harry Mika enhances the efficiency of leadership decision-making. The Chief of Staff works closely with all C-suite executives to streamline processes and remove roadblocks, ensuring smooth operations. Mika's contribution is vital for maintaining HSC's agile response to market dynamics and technological advancements in the hyper-pure polysilicon sector.

    Kirk Royster - Chief Information Officer

    Kirk Royster, the Chief Information Officer at HSC, directs the company's technology strategy and digital infrastructure. Overseeing all IT operations, Royster ensures the security, reliability, and scalability of the systems that support HSC's manufacturing and business functions. This leadership position involves implementing innovative technological solutions to enhance operational efficiency and data management. By driving digital transformation initiatives, Kirk Royster supports HSC's commitment to advanced manufacturing processes. The Chief Information Officer is responsible for cybersecurity measures, data analytics platforms, and enterprise resource planning systems, crucial for a global supplier of hyper-pure polysilicon. Royster's vision guides the technological evolution necessary for HSC's continued market leadership.

    Barbara Metcalf - Chief Human Resources Officer

    Barbara Metcalf, the Chief Human Resources Officer at HSC, leads all talent acquisition, employee development, and organizational culture initiatives. Overseeing the human capital strategy, Metcalf ensures HSC attracts, retains, and develops a highly skilled workforce essential for producing hyper-pure polysilicon. This role involves designing competitive compensation and benefits programs, fostering a positive and inclusive work environment, and implementing robust HR policies. By championing employee engagement, Barbara Metcalf directly contributes to operational excellence and innovation. The Chief Human Resources Officer plays a pivotal part in aligning workforce capabilities with HSC's strategic goals, particularly its position as the only US-headquartered manufacturer. Metcalf's leadership is fundamental to building a motivated and effective team.

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    Frequently Asked Questions Regarding HSC Top Executives and Leadership Team

    Who leads HSC?
    HSC is led by Michael Moen (Chief Financial Officer), along with executives such as Fernando Signorini (Chief Operating Officer) and Harry Mika (Chief of Staff).
    Who is part of HSC’s executive team?
    The executive team of HSC includes leaders such as Michael Moen (Chief Financial Officer), Fernando Signorini (Chief Operating Officer), Harry Mika (Chief of Staff) and other senior executives.
    How many executives does HSC have?
    HSC has 5 executives leading key business areas.
    What roles are included in HSC’s leadership team?
    The leadership team of HSC includes roles such as Chief Financial Officer, Chief Operating Officer, Chief of Staff, Chief Information Officer, Chief Human Resources Officer.