Leadership Overview
By Light has 10 executives leading key functions including strategy, operations, revenue, marketing, technology, and finance.
Focused on delivering advanced systems engineering for government networks, By Light maintains a commitment to excellence in both classified and unclassified defense infrastructure through expert management and technical innovation.
Focused on delivering advanced systems engineering for government networks, By Light maintains a commitment to excellence in both classified and unclassified defense infrastructure through expert management and technical innovation.
Leadership Roles at By Light
Robert Donahue - Chief Executive Officer
Robert Donahue, the Chief Executive Officer at By Light, directs the overarching corporate strategy and long-term vision for the organization. By overseeing the integration of commercial and defense-grade engineering standards, the Chief Executive Officer ensures that all network design projects meet rigorous government requirements. This leadership role involves constant collaboration with the Board to align operational goals with evolving national security needs. Robert Donahue maintains a focus on expanding the company footprint across the DoD marketplace, ensuring that every systems engineering initiative delivers maximum value to federal clients. By fostering a culture of technical precision, the Chief Executive Officer drives the firm toward sustained growth and operational excellence. Donahue manages high-level partnerships that solidify the market position of the company, ultimately securing the reputation of the firm as a premier provider of secure network solutions for complex government environments.

Nichelle Christian - President & Chief Executive Officer
Nichelle Christian, the President & Chief Executive Officer at By Light, manages the daily execution of corporate objectives and organizational performance. By aligning internal resources with the complex demands of civilian and defense network projects, the President & Chief Executive Officer ensures seamless delivery of systems engineering services. This leadership role requires constant oversight of cross-functional teams to maintain high standards in classified and unclassified network management. Nichelle Christian drives the strategic direction of the firm, focusing on operational efficiency and the successful implementation of large-scale government contracts. By optimizing internal processes, the President & Chief Executive Officer supports the broader mission of providing secure, reliable infrastructure. Christian monitors performance metrics across all departments, ensuring that the company remains agile in a competitive landscape. Through this dedicated leadership, the firm continues to deliver critical technical solutions that support national security and civilian infrastructure requirements.
Kylie Allen - Chief Financial Officer
Kylie Allen, the Chief Financial Officer at By Light, directs the financial planning, budgeting, and fiscal management of the organization. By overseeing the financial health of the company, the Chief Financial Officer ensures that resources are allocated effectively to support large-scale systems engineering projects and operational requirements. This leadership role involves managing financial reporting, compliance, and risk assessment to maintain the stability of the firm in the government contracting space. Kylie Allen drives the financial strategy, focusing on cost optimization and long-term investment in technical capabilities. By providing data-driven insights to the executive team, the Chief Financial Officer supports informed decision-making regarding growth and market expansion. Allen monitors fiscal performance across all departments, ensuring that the company meets its financial targets while maintaining high standards of integrity. Through this oversight, the Chief Financial Officer secures the economic foundation necessary for the firm to continue delivering critical network solutions to federal clients.
Mike Bowser - Chief Operating Officer
Mike Bowser, the Chief Operating Officer at By Light, directs the internal scaling and day-to-day operational workflows required to support complex government network projects. By managing the deployment of engineering talent across various civilian and DoD contracts, the Chief Operating Officer ensures that project timelines and quality benchmarks remain consistent. This leadership role involves coordinating with department heads to streamline resource allocation and improve service delivery models. Mike Bowser oversees the operational infrastructure that allows the firm to handle both classified and unclassified systems engineering tasks with precision. By refining internal management protocols, the Chief Operating Officer drives productivity and operational stability. Bowser maintains a focus on operational excellence, ensuring that the company meets the rigorous demands of federal clients. Through this oversight, the Chief Operating Officer supports the long-term scalability of the business while maintaining the high standards expected in the defense technology sector.
Brian Donahue - President
Brian Donahue, the President at By Light, directs the strategic execution of corporate initiatives and oversees the alignment of business units with the core mission of the firm. By managing the integration of diverse engineering teams, the President ensures that the company maintains a cohesive approach to delivering systems engineering and network management services. This leadership role involves fostering strong relationships with key stakeholders and ensuring that the organization remains responsive to the needs of the DoD and civilian marketplaces. Brian Donahue drives the operational focus of the firm, ensuring that all projects are delivered with efficiency and technical excellence. By coordinating across departments, the President supports the growth and stability of the business. Donahue monitors the overall performance of the company, making strategic adjustments to maintain a competitive advantage. Through this leadership, the President ensures that the firm continues to provide high-quality, secure network solutions for critical government infrastructure.
Michael Hatcher - Chief Revenue Officer
Michael Hatcher, the Chief Revenue Officer at By Light, directs all business development and revenue-generating activities across the commercial and government sectors. By identifying new opportunities for systems engineering and network management contracts, the Chief Revenue Officer ensures a robust pipeline of work that aligns with the core capabilities of the firm. This leadership role involves managing client relationships and negotiating complex service agreements that support the financial health of the organization. Michael Hatcher drives the expansion of the market presence of the company by targeting key DoD and civilian agencies. By analyzing market trends and competitive positioning, the Chief Revenue Officer optimizes the sales funnel and secures long-term partnerships. Hatcher coordinates with the executive team to ensure that revenue growth remains sustainable and consistent with the strategic mission. Through this focus, the Chief Revenue Officer secures the financial future of the firm while expanding the reach of its technical services.
Diane Hockenberry - Chief Marketing Officer
Diane Hockenberry, the Chief Marketing Officer at By Light, directs the brand strategy and market positioning of the firm within the competitive government technology landscape. By crafting messaging that highlights the expertise of the company in systems engineering and network management, the Chief Marketing Officer ensures that the value proposition of the firm reaches key decision-makers in the DoD and civilian marketplaces. This leadership role involves managing corporate communications and industry outreach to strengthen the reputation of the organization. Diane Hockenberry drives the development of marketing campaigns that showcase the technical capabilities of the firm in both classified and unclassified environments. By aligning marketing efforts with business development goals, the Chief Marketing Officer supports the overall growth strategy. Hockenberry monitors market perception and industry trends, ensuring that the brand remains synonymous with reliability and innovation. Through this work, the Chief Marketing Officer elevates the profile of the firm among federal stakeholders.

Stuart Armstrong - Chief Technology Officer
Stuart Armstrong, the Chief Technology Officer at By Light, directs the overarching technical roadmap and innovation strategy for the entire organization. By overseeing the development of advanced systems engineering methodologies, the Chief Technology Officer ensures that the firm remains at the forefront of network design and implementation. This leadership role involves evaluating emerging technologies and integrating them into the service offerings of the company to meet the evolving needs of government clients. Stuart Armstrong drives the technical vision, ensuring that all solutions are secure, scalable, and compliant with federal standards. By fostering a culture of technical excellence, the Chief Technology Officer supports the engineering teams in delivering high-fidelity results for both classified and unclassified networks. Armstrong collaborates with other C-suite leaders to align technical capabilities with business objectives. Through this leadership, the Chief Technology Officer ensures that the firm maintains a competitive edge in the complex defense technology market.
Billy Smith - Chief Technology Officer, Cyberspace Operations
Billy Smith, the Chief Technology Officer, Cyberspace Operations at By Light, directs the specialized technical strategies focused on securing and managing cyberspace infrastructure for government clients. By overseeing the implementation of advanced cybersecurity protocols within network designs, the Chief Technology Officer, Cyberspace Operations ensures that all systems remain resilient against modern threats. This leadership role involves developing defensive architectures that protect both classified and unclassified data environments. Billy Smith drives the technical innovation within the cyberspace division, ensuring that the firm provides cutting-edge solutions for complex defense requirements. By coordinating with engineering teams, the Chief Technology Officer, Cyberspace Operations maintains the highest standards of security and operational integrity. Smith monitors the evolving threat landscape, adapting technical strategies to keep the firm ahead of potential vulnerabilities. Through this focus, the Chief Technology Officer, Cyberspace Operations supports the mission of the company to provide secure, reliable network management for critical federal operations.
Robert Milchenski - Chief Technology Officer, High Fidelity Solutions
Robert Milchenski, the Chief Technology Officer, High Fidelity Solutions at By Light, directs the development of high-precision engineering solutions tailored for complex, mission-critical network environments. By overseeing the design and implementation of high-fidelity systems, the Chief Technology Officer, High Fidelity Solutions ensures that the firm delivers unparalleled accuracy and performance for government clients. This leadership role involves pushing the boundaries of technical capability to solve unique challenges in both classified and unclassified network management. Robert Milchenski drives the innovation of specialized engineering tools that enhance the overall service portfolio of the company. By collaborating with technical teams, the Chief Technology Officer, High Fidelity Solutions maintains a focus on quality and reliability in every project. Milchenski ensures that all high-fidelity solutions meet the rigorous demands of the DoD and civilian marketplaces. Through this work, the Chief Technology Officer, High Fidelity Solutions strengthens the reputation of the firm as a leader in advanced technical engineering.
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