TSI Executive and Leadership Team

September, 2026

Leadership Overview

TSI has 10 executives leading key functions including strategy, technology, financial oversight, and operational management.

Focused on precision measurement and data analytics, TSI delivers critical instrumentation solutions to global industries while maintaining a commitment to safety, research, and manufacturing excellence.

Leadership Roles at TSI

  • Chief Executive Officer - Kim Sangchel
  • Chief Executive Officer & President - Michael Ellis
  • President & Chief Executive Officer - Thomas Kennedy
  • Chief Financial Officer - Tom Smith
  • President - Darrick Niccum
  • President - Brad Peestrip
  • President - Terry Toliver
  • President - Michael Hankirk
  • Chief Technology Officer - Benjamin Chocron
  • Chief Operations Officer - Viktoriya Omelchenko
  • Kim Sangchel - Chief Executive Officer

    Kim Sangchel, the Chief Executive Officer at TSI, directs the overarching corporate strategy and long-term vision for the organization. Sangchel prioritizes the development of advanced measurement instruments that serve the occupational health and safety sectors. By aligning internal resources with market demands, the Chief Executive Officer ensures that TSI maintains a competitive edge in the global manufacturing landscape. This leadership role involves constant evaluation of emerging technologies to enhance data analytics capabilities across HVAC and environmental monitoring platforms. Kim Sangchel actively fosters partnerships with research institutions to drive innovation in precision testing equipment. Through rigorous oversight of corporate governance, the Chief Executive Officer secures the stability of the company. Ultimately, Sangchel drives the expansion of the product portfolio to meet the evolving needs of healthcare and industrial clients worldwide, ensuring that the organization remains a leader in high-precision instrumentation.

    Michael Ellis - Chief Executive Officer & President

    Michael Ellis, the Chief Executive Officer & President at TSI, manages the integration of business units to optimize performance across diverse industrial sectors. Ellis focuses on the strategic deployment of measurement solutions within the manufacturing and research industries. As the Chief Executive Officer & President, the executive oversees the alignment of product development cycles with the specific requirements of environmental and HVAC clients. This role demands constant interaction with the board to refine operational goals and market positioning. Michael Ellis drives the implementation of data-driven decision-making processes to improve efficiency in product delivery. By monitoring global market trends, the executive identifies new opportunities for growth in the occupational health sector. Through the coordination of cross-functional teams, Ellis ensures that the company delivers high-quality instrumentation. Ultimately, the Chief Executive Officer & President maintains the reputation of the firm as a provider of reliable, accurate measurement technology.

    Thomas Kennedy - President & Chief Executive Officer

    Thomas Kennedy, the President & Chief Executive Officer at TSI, architects the strategic roadmap for the company, focusing on the intersection of measurement science and industrial application. Kennedy oversees the execution of initiatives that support the healthcare and manufacturing sectors through advanced data analytics. As the President & Chief Executive Officer, the executive manages the balance between research-driven innovation and commercial scalability. This leadership position requires constant collaboration with department heads to ensure that product offerings meet stringent safety standards. Thomas Kennedy drives the expansion of the company footprint in international markets, emphasizing the importance of precision in environmental monitoring. By optimizing internal workflows, the executive enhances the speed of product development. Through the application of rigorous quality control measures, Kennedy ensures that all instrumentation meets the highest industry benchmarks. Ultimately, the President & Chief Executive Officer secures the long-term viability of the organization through disciplined strategic planning.
    Thomas Kennedy

    Tom Smith - Chief Financial Officer

    Tom Smith, the Chief Financial Officer at TSI, manages the financial health and fiscal strategy of the organization. Smith oversees the budgeting, forecasting, and capital allocation processes that support the manufacturing and research divisions. As the Chief Financial Officer, the executive ensures that resources are directed toward high-growth areas such as healthcare and environmental monitoring. This role involves constant communication with the executive team to provide financial insights that inform strategic decisions. Tom Smith drives the implementation of cost-efficiency measures across the global operations of the company. By monitoring financial performance metrics, the executive identifies risks and opportunities in the marketplace. Through the management of investor relations and financial reporting, Smith maintains transparency and trust with stakeholders. Ultimately, the Chief Financial Officer secures the financial resources required to sustain the long-term innovation and growth objectives of the company.

    Darrick Niccum - President

    Darrick Niccum, the President at TSI, manages the specific business unit focused on the occupational health and safety market. Niccum oversees the development and distribution of specialized measurement instruments that protect workers in hazardous environments. As the President, the executive coordinates with the sales and marketing teams to expand the reach of these safety solutions. This role involves constant analysis of regulatory requirements to ensure that all products remain compliant with industry standards. Darrick Niccum drives the growth of the safety product line by identifying new applications in the manufacturing sector. By fostering strong relationships with key clients, the executive ensures that the company provides effective solutions for workplace safety. Through the management of regional sales initiatives, Niccum expands the market presence of the firm. Ultimately, the President delivers the specialized focus required to maintain the reputation of the company as a trusted provider of safety instrumentation.

    Brad Peestrip - President

    Brad Peestrip, the President at TSI, directs the business unit dedicated to the HVAC and environmental monitoring sectors. Peestrip oversees the product lifecycle management for instruments that measure air quality and flow. As the President, the executive manages the alignment of product features with the needs of building management and environmental research professionals. This role involves constant collaboration with the engineering team to refine the performance of testing equipment. Brad Peestrip drives the expansion of the HVAC product portfolio to address the growing demand for energy-efficient building solutions. By analyzing market feedback, the executive identifies opportunities to improve the user experience of the instrumentation. Through the coordination of regional sales strategies, Peestrip increases the market share of the company in the environmental sector. Ultimately, the President ensures that the business unit delivers high-performance solutions that meet the complex requirements of modern HVAC and environmental applications.

    Terry Toliver - President

    Terry Toliver, the President at TSI, manages the business unit focused on the research and healthcare instrumentation markets. Toliver oversees the strategic initiatives that provide scientists and medical professionals with precise measurement tools. As the President, the executive coordinates the development of specialized equipment used in laboratory and clinical settings. This role involves constant interaction with research partners to ensure that the instrumentation supports cutting-edge scientific discovery. Terry Toliver drives the growth of the healthcare product line by emphasizing the importance of accuracy in diagnostic and monitoring applications. By managing the sales and support teams, the executive ensures that clients receive the necessary expertise to utilize the equipment effectively. Through the oversight of market expansion efforts, Toliver strengthens the position of the company in the global research community. Ultimately, the President delivers the specialized leadership required to advance the impact of the company in the healthcare and research sectors.

    Michael Hankirk - President

    Michael Hankirk, the President at TSI, directs the business unit responsible for the manufacturing and industrial testing solutions. Hankirk oversees the development of instruments that ensure quality control and process efficiency in industrial environments. As the President, the executive manages the alignment of product capabilities with the needs of large-scale manufacturing operations. This role involves constant collaboration with the technical support team to provide solutions for complex industrial challenges. Michael Hankirk drives the expansion of the industrial product line by focusing on the integration of data analytics into manufacturing workflows. By analyzing industry trends, the executive identifies new opportunities for the application of precision measurement technology. Through the coordination of regional sales and service teams, Hankirk increases the footprint of the company in the industrial sector. Ultimately, the President ensures that the business unit provides the reliable instrumentation necessary for the success of manufacturing clients worldwide.

    Benjamin Chocron - Chief Technology Officer

    Benjamin Chocron, the Chief Technology Officer at TSI, directs the research and development efforts to advance the company portfolio of measurement instruments. Chocron oversees the engineering teams responsible for creating sophisticated data analytics solutions for the HVAC and environmental industries. As the Chief Technology Officer, the executive manages the integration of new sensor technologies into existing product lines. This role involves constant collaboration with the product management team to ensure that technical specifications align with customer needs in the occupational health sector. Benjamin Chocron drives the adoption of emerging digital tools to improve the accuracy and reliability of testing equipment. By fostering a culture of technical excellence, the executive ensures that the company remains at the forefront of innovation. Through the oversight of intellectual property development, Chocron protects the technological assets of the firm. Ultimately, the Chief Technology Officer delivers the technical foundation necessary for the company to maintain market leadership.

    Viktoriya Omelchenko - Chief Operations Officer

    Viktoriya Omelchenko, the Chief Operations Officer at TSI, directs the global supply chain and manufacturing processes to ensure the timely delivery of precision instruments. Omelchenko oversees the operational infrastructure that supports the production of equipment for the occupational health and safety industries. As the Chief Operations Officer, the executive manages the efficiency of production facilities to meet the high demand for HVAC and environmental testing tools. This role involves constant coordination with logistics and procurement teams to mitigate supply chain disruptions. Viktoriya Omelchenko drives the adoption of lean manufacturing principles to reduce waste and improve product quality. By optimizing operational workflows, the executive ensures that the company maintains high standards of service for healthcare and industrial clients. Through the oversight of facility management, Omelchenko supports the safety and productivity of the workforce. Ultimately, the Chief Operations Officer ensures that the operational capabilities of the firm align with the strategic growth targets.

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    Frequently Asked Questions Regarding TSI Top Executives and Leadership Team

    Who leads TSI?
    TSI is led by Kim Sangchel (Chief Executive Officer), along with executives such as Michael Ellis (Chief Executive Officer & President) and Thomas Kennedy (President & Chief Executive Officer).
    Who is part of TSI’s executive team?
    The executive team of TSI includes leaders such as Kim Sangchel (Chief Executive Officer), Michael Ellis (Chief Executive Officer & President), Thomas Kennedy (President & Chief Executive Officer) and other senior executives.
    How many executives does TSI have?
    TSI has 10 executives leading key business areas.
    What roles are included in TSI’s leadership team?
    The leadership team of TSI includes roles such as Chief Executive Officer, Chief Executive Officer & President, President & Chief Executive Officer, Chief Financial Officer, President.