FSG Executive and Leadership Team

September, 2026

Leadership Overview

FSG has 10 executives leading key functions including strategy, financial oversight, operational management, information technology, marketing, distribution, sales, service delivery, account management, and corporate leadership.

Focused on delivering comprehensive electrical and lighting solutions, FSG maintains a commitment to excellence in energy management and construction services across the United States.

Leadership Roles at FSG

  • Chief Executive Officer - Bill Graham
  • Chief Financial Officer - Christopher Wemmert
  • Chief Operating Officer - Michael Mastriano
  • Chief Operating Officer, Lighting Distribution - Leon Mowadia
  • Chief Operating Officer, Services - Victor Williams
  • President - Jake Clark
  • Chief Information Officer - Thomas Riland
  • Chief Marketing Officer - Brannon Bourland
  • Chief Sales Officer, Corporate (CSO) - David Attardi
  • Chief Marketing Officer, Emeritus & Key Accounts - Bernie Erickson
  • Bill Graham - Chief Executive Officer

    Bill Graham, the Chief Executive Officer at FSG, directs the overarching strategic vision for the organization. Graham architects long-term growth initiatives while overseeing the integration of electrical construction and energy management services. By aligning corporate resources with market demands, the Chief Executive Officer ensures consistent delivery of high-quality lighting and electrical products. This leadership role involves constant collaboration with the Board to refine operational standards and expand the national footprint. Bill Graham maintains a focus on sustainable business practices that drive efficiency across all divisions. Through rigorous oversight of the company's diverse service portfolio, the Chief Executive Officer secures a competitive advantage in the construction industry. Graham fosters a culture of innovation, ensuring that the organization remains a single-source provider for complex facility requirements. Ultimately, the Chief Executive Officer drives the financial and operational success of the entire enterprise.
    Bill Graham

    Christopher Wemmert - Chief Financial Officer

    Christopher Wemmert, the Chief Financial Officer at FSG, manages the fiscal health and capital allocation strategies for the firm. Wemmert oversees financial reporting, budgeting, and risk management to support the company's expansive electrical services and construction projects. By optimizing cash flow and investment in new technology, the Chief Financial Officer ensures the organization maintains a robust balance sheet. This role requires close coordination with executive leadership to evaluate the profitability of various energy management solutions. Christopher Wemmert drives fiscal discipline across all regional operations, ensuring that project margins remain aligned with corporate objectives. Through the implementation of advanced financial modeling, the Chief Financial Officer provides the data necessary for informed decision-making. Wemmert monitors market trends to mitigate economic volatility, securing the long-term stability of the business. Ultimately, the Chief Financial Officer protects the assets of the company while fueling growth through strategic financial planning.
    Christopher Wemmert

    Michael Mastriano - Chief Operating Officer

    Michael Mastriano, the Chief Operating Officer at FSG, directs the internal operational workflows and project execution standards. Mastriano oversees the integration of electrical construction processes and facility management protocols to ensure seamless service delivery. By streamlining cross-departmental communication, the Chief Operating Officer enhances productivity across all national project sites. This leadership role involves managing the logistical complexities of large-scale electrical installations and energy management deployments. Michael Mastriano drives operational excellence by implementing standardized procedures that reduce waste and improve project timelines. Through the coordination of field teams and administrative support, the Chief Operating Officer maintains high levels of client satisfaction. Mastriano evaluates performance metrics to identify areas for process improvement, ensuring that the company remains agile in a competitive market. Ultimately, the Chief Operating Officer optimizes the internal infrastructure to support the company's mission of providing comprehensive electrical solutions.
    Michael Mastriano

    Leon Mowadia - Chief Operating Officer, Lighting Distribution

    Leon Mowadia, the Chief Operating Officer, Lighting Distribution at FSG, directs the supply chain and inventory management for all lighting products. Mowadia oversees the procurement, warehousing, and distribution networks that supply electrical contractors and facility managers. By optimizing inventory turnover and vendor relationships, the Chief Operating Officer, Lighting Distribution ensures that the company maintains a reliable supply of high-quality lighting components. This role involves managing the logistical flow of products to support large-scale construction projects. Leon Mowadia drives efficiency in the distribution channel by implementing advanced tracking and fulfillment systems. Through the coordination of regional distribution centers, the Chief Operating Officer, Lighting Distribution ensures timely delivery to clients across the country. Mowadia monitors product trends to align inventory with current market demands. Ultimately, the Chief Operating Officer, Lighting Distribution secures the company's position as a leading provider of lighting products through superior supply chain management.
    Leon Mowadia

    Victor Williams - Chief Operating Officer, Services

    Victor Williams, the Chief Operating Officer, Services at FSG, directs the delivery of electrical maintenance and repair services. Williams oversees the field operations teams responsible for providing ongoing support to facility managers and commercial clients. By standardizing service protocols, the Chief Operating Officer, Services ensures that maintenance tasks are completed safely and efficiently. This role involves managing the dispatch and scheduling of technicians to meet urgent client needs. Victor Williams drives operational performance by monitoring service response times and quality assurance metrics. Through the oversight of regional service hubs, the Chief Operating Officer, Services maintains a high standard of care across the company's service footprint. Williams collaborates with the construction division to ensure a smooth transition from project completion to ongoing maintenance. Ultimately, the Chief Operating Officer, Services sustains long-term client relationships by providing reliable and responsive electrical service solutions.
    Victor Williams

    Jake Clark - President

    Jake Clark, the President at FSG, directs the day-to-day execution of the company's business plan and operational objectives. Clark oversees the alignment of all divisions, including construction, services, and distribution, to ensure cohesive performance. By managing the interaction between executive leadership and department heads, the President ensures that corporate goals are translated into actionable tasks. This role involves overseeing the company's growth initiatives and ensuring that all regional operations adhere to the established quality standards. Jake Clark drives organizational efficiency by identifying and removing bottlenecks in the project delivery process. Through the coordination of resources and personnel, the President maintains the company's competitive edge in the electrical and lighting market. Clark monitors performance across all sectors to ensure that the company meets its financial and operational targets. Ultimately, the President leads the organization in delivering comprehensive facility solutions while maintaining a focus on long-term sustainability.

    Thomas Riland - Chief Information Officer

    Thomas Riland, the Chief Information Officer at FSG, architects the digital infrastructure and technology roadmap for the organization. Riland oversees the implementation of enterprise software, cybersecurity protocols, and data management systems that support electrical and lighting operations. By modernizing the company's technical stack, the Chief Information Officer ensures that field teams and corporate staff have access to real-time project data. This role involves managing the integration of energy management software with existing electrical service platforms. Thomas Riland drives digital transformation initiatives that improve operational transparency and client reporting capabilities. Through the oversight of IT security, the Chief Information Officer protects sensitive corporate and client information from emerging threats. Riland collaborates with other executives to align technology investments with the company's broader growth strategy. Ultimately, the Chief Information Officer builds the digital foundation necessary for the company to scale its services across the country.
    Thomas Riland

    Brannon Bourland - Chief Marketing Officer

    Brannon Bourland, the Chief Marketing Officer at FSG, directs the brand strategy and market positioning for the company's diverse service offerings. Bourland oversees lead generation, digital presence, and corporate communications to highlight the value of electrical and lighting solutions. By crafting targeted campaigns, the Chief Marketing Officer ensures that the company's expertise in energy management reaches key decision-makers in the construction sector. This role involves analyzing market data to identify emerging opportunities for expansion. Brannon Bourland drives brand awareness through consistent messaging that emphasizes the company's status as a single-source provider. Through the management of marketing budgets and creative assets, the Chief Marketing Officer supports the sales team in capturing new business. Bourland collaborates with regional leaders to tailor marketing efforts to specific geographic market needs. Ultimately, the Chief Marketing Officer strengthens the company's reputation and market share through strategic outreach and brand development.
    Brannon Bourland

    David Attardi - Chief Sales Officer, Corporate (CSO)

    David Attardi, the Chief Sales Officer, Corporate (CSO) at FSG, directs the national sales strategy and client acquisition efforts. Attardi oversees the corporate sales force, focusing on securing large-scale contracts for electrical construction and energy management services. By developing high-level relationships with enterprise clients, the Chief Sales Officer, Corporate (CSO) ensures a consistent pipeline of revenue. This role involves training sales teams on the technical nuances of the company's product and service portfolio. David Attardi drives revenue growth by identifying cross-selling opportunities across the company's various divisions. Through the implementation of sales performance metrics, the Chief Sales Officer, Corporate (CSO) maintains accountability and focus within the sales organization. Attardi collaborates with regional managers to ensure that sales strategies align with local market conditions. Ultimately, the Chief Sales Officer, Corporate (CSO) expands the company's market presence by delivering tailored solutions to complex facility challenges.
    David Attardi

    Bernie Erickson - Chief Marketing Officer, Emeritus & Key Accounts

    Bernie Erickson, the Chief Marketing Officer, Emeritus & Key Accounts at FSG, directs the management of high-value client relationships and strategic partnerships. Erickson oversees the retention and growth of key accounts, ensuring that the company's largest clients receive dedicated attention and customized solutions. By leveraging deep industry knowledge, the Chief Marketing Officer, Emeritus & Key Accounts provides guidance on long-term account strategy and market positioning. This role involves maintaining legacy relationships while identifying new opportunities for service expansion within existing accounts. Bernie Erickson drives client satisfaction by acting as a senior advisor for complex facility requirements. Through the coordination of cross-functional teams, the Chief Marketing Officer, Emeritus & Key Accounts ensures that the company delivers on its promises to its most important partners. Erickson monitors industry shifts to provide strategic insights that benefit the entire organization. Ultimately, the Chief Marketing Officer, Emeritus & Key Accounts secures the company's reputation through sustained excellence in account management.

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    Frequently Asked Questions Regarding FSG Top Executives and Leadership Team

    Who leads FSG?
    FSG is led by Bill Graham (Chief Executive Officer), along with executives such as Christopher Wemmert (Chief Financial Officer) and Michael Mastriano (Chief Operating Officer).
    Who is part of FSG’s executive team?
    The executive team of FSG includes leaders such as Bill Graham (Chief Executive Officer), Christopher Wemmert (Chief Financial Officer), Michael Mastriano (Chief Operating Officer) and other senior executives.
    How many executives does FSG have?
    FSG has 10 executives leading key business areas.
    What roles are included in FSG’s leadership team?
    The leadership team of FSG includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Operating Officer, Lighting Distribution, Chief Operating Officer, Services.