SRC Executive and Leadership Team

May, 2026

Leadership Overview

SRC has 10 executives leading key functions including strategy, operations, technology, and people.

Driven by innovation, SRC combines information, science, technology, and ingenuity to solve complex problems across defense, environment, and intelligence sectors, shaping critical advancements.

Leadership Roles at SRC

  • Chief Executive Officer - Insaf Nehme
  • Chief Executive Officer & President - SangRyong Ha
  • President & Chief Executive Officer - Don Rippe
  • President & Chief Operating Officer - Steven Cummings
  • President - Tahlia Ocal
  • President - Katlego Rammusa
  • President - Chris Doan
  • President - Malcome Sargent
  • Chief Technology Officer - Bob Gastineau
  • Chief People Officer - Jan Venter
  • Insaf Nehme - Chief Executive Officer

    Insaf Nehme, the Chief Executive Officer at SRC, directs the overarching strategy and operational execution for the organization. This leadership role involves guiding SRC's mission to integrate information, science, technology, and ingenuity to address challenges in defense, environment, and intelligence. Nehme ensures alignment across all departments, fostering an environment of innovation and problem-solving. The Chief Executive Officer's responsibilities include setting long-term objectives, managing key stakeholder relationships, and driving the company's growth and impact. By focusing on SRC's core competencies, Insaf Nehme champions the development of advanced solutions that meet critical national needs. This executive oversees the strategic direction of research and development initiatives, ensuring they align with market demands and technological advancements. The Chief Executive Officer's influence extends to shaping the company's culture and its commitment to scientific excellence.

    SangRyong Ha - Chief Executive Officer & President

    SangRyong Ha, the Chief Executive Officer & President at SRC, spearheads the company's strategic vision and operational leadership. This dual role encompasses driving SRC's mission to solve complex problems through the integration of information, science, technology, and ingenuity, particularly within the defense, environment, and intelligence sectors. Ha directs all facets of the business, ensuring seamless collaboration between research, development, and implementation teams. The Chief Executive Officer & President's focus includes fostering innovation, managing financial performance, and expanding SRC's market presence. SangRyong Ha is accountable for the company's overall success, guiding strategic partnerships and ensuring the delivery of cutting-edge solutions. This leadership position involves overseeing global operations and cultivating a culture of excellence. By championing SRC's core values, SangRyong Ha ensures the organization remains at the forefront of technological advancement and problem-solving.

    Don Rippe - President & Chief Executive Officer

    Don Rippe, the President & Chief Executive Officer at SRC, directs the company's strategic direction and operational execution. This leadership position involves guiding SRC's commitment to combining information, science, technology, and ingenuity to solve critical challenges in defense, environment, and intelligence. Rippe oversees all business functions, ensuring that research and development efforts translate into impactful solutions. The President & Chief Executive Officer's responsibilities include setting organizational goals, managing key relationships with government and industry partners, and driving financial performance. Don Rippe champions a culture of innovation and scientific rigor, ensuring SRC remains a leader in its field. This executive's purview extends to strategic planning and resource allocation, guaranteeing the effective deployment of talent and technology. By focusing on SRC's core mission, Don Rippe ensures the company consistently delivers advanced capabilities.

    Steven Cummings - President & Chief Operating Officer

    Steven Cummings, the President & Chief Operating Officer at SRC, manages the day-to-day operations and ensures efficient execution of the company's strategic initiatives. This leadership role involves overseeing all operational departments, driving productivity, and optimizing resource allocation to support SRC's mission of solving complex problems in defense, environment, and intelligence. Cummings directs the implementation of operational strategies, focusing on process improvement and quality assurance across all projects. The President & Chief Operating Officer's responsibilities include managing supply chains, overseeing project delivery, and ensuring seamless collaboration between different functional areas. Steven Cummings is instrumental in translating SRC's technological advancements into tangible outcomes for clients. This executive's focus is on operational excellence and scalability, ensuring SRC can effectively meet evolving market demands. By leading operations, Steven Cummings reinforces the company's commitment to delivering reliable and innovative solutions.

    Tahlia Ocal - President

    Tahlia Ocal, the President at SRC, drives strategic initiatives and operational oversight within specific business units, contributing to the company's overall mission. This leadership position involves guiding teams to integrate information, science, and technology to address critical challenges in defense, environment, and intelligence. Ocal focuses on enhancing operational efficiency and fostering innovation within their designated areas of responsibility. The President's role includes managing key projects, ensuring alignment with corporate objectives, and cultivating strong relationships with stakeholders. Tahlia Ocal is dedicated to advancing SRC's capabilities and delivering impactful solutions. This executive's leadership ensures that specific operational segments contribute effectively to the company's broader goals. By focusing on strategic execution, Tahlia Ocal supports SRC's commitment to scientific excellence and problem-solving.

    Katlego Rammusa - President

    Katlego Rammusa, the President at SRC, directs strategic operations and fosters innovation within their assigned business segments. This leadership role is critical in advancing SRC's mission to solve complex problems by integrating information, science, technology, and ingenuity across defense, environment, and intelligence domains. Rammusa oversees the execution of key initiatives, ensuring operational effectiveness and alignment with company-wide objectives. The President's responsibilities include managing cross-functional teams, driving project success, and identifying opportunities for technological advancement. Katlego Rammusa is committed to enhancing SRC's capabilities and delivering exceptional value to clients. This executive's focus is on optimizing performance and ensuring that their operational areas contribute significantly to the company's overall growth and impact. By leading with strategic foresight, Katlego Rammusa supports SRC's dedication to scientific leadership.

    Chris Doan - President

    Chris Doan, the President at SRC, spearheads strategic leadership and operational management for key divisions, contributing to the company's core mission. This role involves guiding teams in leveraging information, science, and technology to solve critical issues within the defense, environment, and intelligence sectors. Doan directs the implementation of strategic plans, ensuring operational excellence and the successful delivery of advanced solutions. The President's responsibilities include fostering collaboration among departments, managing project lifecycles, and driving technological innovation. Chris Doan is dedicated to enhancing SRC's impact and maintaining its reputation for scientific rigor. This executive's leadership ensures that their operational scope aligns with and supports the company's overarching goals. By focusing on strategic execution, Chris Doan reinforces SRC's commitment to pioneering solutions.

    Malcome Sargent - President

    Malcome Sargent, the President at SRC, leads strategic operations and drives innovation within specific business units, reinforcing the company's mission. This executive's focus is on integrating information, science, technology, and ingenuity to tackle complex challenges in defense, environment, and intelligence. Sargent oversees the execution of strategic objectives, ensuring operational efficiency and the development of cutting-edge solutions. The President's responsibilities include managing team performance, overseeing project delivery, and identifying opportunities for technological advancement. Malcome Sargent is committed to enhancing SRC's capabilities and delivering significant value to clients. This leadership position ensures that their operational domain contributes effectively to the company's overall success and growth. By championing strategic initiatives, Malcome Sargent supports SRC's dedication to scientific problem-solving.

    Bob Gastineau - Chief Technology Officer

    Bob Gastineau, the Chief Technology Officer at SRC, architects the company's technological vision and innovation roadmap. This role involves overseeing all aspects of research and development, ensuring SRC leverages cutting-edge science and technology to solve complex problems in defense, environment, and intelligence. Gastineau directs the exploration and implementation of new technological capabilities, driving advancements that align with the company's mission. The Chief Technology Officer's responsibilities include fostering a culture of technical excellence, managing R&D budgets, and collaborating with other C-suite leaders to integrate technology across business units. Bob Gastineau ensures that SRC's technological infrastructure supports its strategic objectives and maintains a competitive edge. This executive's focus is on translating scientific discovery into practical, impactful solutions for clients. By leading technological innovation, Bob Gastineau strengthens SRC's position as a leader in applied science and engineering.

    Jan Venter - Chief People Officer

    Jan Venter, the Chief People Officer at SRC, leads the human capital strategy, focusing on talent acquisition, development, and retention to support the company's mission. This role involves cultivating a high-performance culture that fosters innovation and collaboration across defense, environment, and intelligence sectors. Venter oversees all aspects of human resources, ensuring that SRC attracts and retains top talent equipped to solve complex scientific and technological challenges. The Chief People Officer's responsibilities include developing comprehensive compensation and benefits programs, implementing employee engagement initiatives, and managing organizational development. Jan Venter champions diversity and inclusion, creating an equitable work environment where all employees can thrive. This executive's strategic focus is on aligning people strategies with SRC's business objectives, ensuring the workforce is prepared for future challenges. By prioritizing employee well-being and growth, Jan Venter strengthens SRC's foundation for sustained success.

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    Frequently Asked Questions Regarding SRC Top Executives and Leadership Team

    Who leads SRC?
    SRC is led by Insaf Nehme (Chief Executive Officer), along with executives such as SangRyong Ha (Chief Executive Officer & President) and Don Rippe (President & Chief Executive Officer).
    Who is part of SRC’s executive team?
    The executive team of SRC includes leaders such as Insaf Nehme (Chief Executive Officer), SangRyong Ha (Chief Executive Officer & President), Don Rippe (President & Chief Executive Officer) and other senior executives.
    How many executives does SRC have?
    SRC has 10 executives leading key business areas.
    What roles are included in SRC’s leadership team?
    The leadership team of SRC includes roles such as Chief Executive Officer, Chief Executive Officer & President, President & Chief Executive Officer, President & Chief Operating Officer, President.