Trissential Executive and Leadership Team

June, 2026

Leadership Overview

Trissential has 4 executives leading key functions including strategy, revenue generation, financial operations, and human capital management.

Driven by integrated engineering and management consulting, Trissential delivers end-to-end quality solutions across North America, leveraging expertise in software engineering, IT, and mobile development to serve both business and consumer markets.

Leadership Roles at Trissential

  • Founder & Chief Executive Officer - Keith Korsi
  • Chief Financial Officer (Americas) - Mark Sirianni
  • Chief Revenue Officer - John Whitcomb
  • Chief People Officer - Mecca Robbins
  • Keith Korsi - Founder & Chief Executive Officer

    Keith Korsi, the Founder & Chief Executive Officer at Trissential, architects the overarching business strategy and operational direction for the firm. Korsi guides the company's mission to provide integrated engineering, management consulting, and quality assurance services, ensuring adherence to industry best practices. Overseeing the delivery of end-to-end quality solutions, Korsi drives innovation in software engineering, information technology, and mobile application development. This leadership role involves setting the vision for Trissential's market impact across North America and its global reach as part of the Expleo Company. By focusing on core business-to-business and business-to-consumer capabilities, Keith Korsi ensures the firm consistently meets client needs with advanced technical expertise and strategic management insights, solidifying Trissential's position as a premier consulting partner.
    Keith Korsi

    Mark Sirianni - Chief Financial Officer (Americas)

    Mark Sirianni, the Chief Financial Officer (Americas) at Trissential, manages all financial operations and fiscal strategy for the North American region. Sirianni oversees budgeting, financial planning, and risk management, ensuring the economic health and sustainability of the consulting firm. Directing the financial aspects of Trissential's integrated engineering, management consulting, and quality assurance services, the Chief Financial Officer (Americas) supports strategic investments in technology and talent. This role involves rigorous analysis of financial performance, optimizing resource allocation for software engineering, IT, and mobile application development initiatives. By maintaining robust financial controls and driving fiscal discipline, Mark Sirianni ensures Trissential's operational efficiency and its capacity to deliver comprehensive quality solutions across its markets.

    John Whitcomb - Chief Revenue Officer

    John Whitcomb, the Chief Revenue Officer at Trissential, directs all revenue-generating activities and sales strategies across the organization. Whitcomb focuses on expanding Trissential's market presence by cultivating client relationships and identifying new business opportunities within the engineering, management consulting, and quality assurance sectors. Overseeing the sales pipeline and revenue forecasting, the Chief Revenue Officer ensures alignment with the company's growth objectives. This critical function involves collaborating with leadership to translate market demands into actionable sales plans, driving the adoption of Trissential's end-to-end quality solutions. By optimizing the sales process and enhancing customer engagement, John Whitcomb directly contributes to the firm's financial performance and its ability to deliver value through software engineering, IT, and mobile application development services.

    Mecca Robbins - Chief People Officer

    Mecca Robbins, the Chief People Officer at Trissential, leads all human capital strategies and organizational development initiatives. Robbins cultivates a high-performance culture that supports Trissential's mission of delivering integrated engineering, management consulting, and quality assurance services. Overseeing talent acquisition, employee engagement, and professional development, the Chief People Officer ensures the firm possesses the expert personnel required for software engineering, IT, and mobile application development. This leadership position involves fostering an environment where innovation thrives and employees are empowered to provide end-to-end quality solutions. By championing people-centric policies and programs, Mecca Robbins strengthens Trissential's workforce, driving operational excellence and supporting the company's expansion across North America and its global network.

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    Frequently Asked Questions Regarding Trissential Top Executives and Leadership Team

    Who leads Trissential?
    Trissential is led by Keith Korsi (Founder & Chief Executive Officer), along with executives such as Mark Sirianni (Chief Financial Officer (Americas)) and John Whitcomb (Chief Revenue Officer).
    Who is part of Trissential’s executive team?
    The executive team of Trissential includes leaders such as Keith Korsi (Founder & Chief Executive Officer), Mark Sirianni (Chief Financial Officer (Americas)), John Whitcomb (Chief Revenue Officer) and other senior executives.
    How many executives does Trissential have?
    Trissential has 4 executives leading key business areas.
    What roles are included in Trissential’s leadership team?
    The leadership team of Trissential includes roles such as Founder & Chief Executive Officer, Chief Financial Officer (Americas), Chief Revenue Officer, Chief People Officer.