One Call Executive and Leadership Team

June, 2026

Leadership Overview

One Call has 9 executives leading key functions including strategy, finance, technology, legal, and operations.

Driven by a commitment to excellence, One Call is dedicated to revolutionizing ancillary services coordination within the workers' compensation industry, fostering efficiency and optimal patient outcomes through integrated care management solutions.

Leadership Roles at One Call

  • Chief Executive Officer - Kent Spafford
  • Founder & Chief Executive Officer - Umesh Hb
  • Chief Financial Officer - Michele Haas
  • President - John Giangrosso
  • President - Carlos Ramos
  • President - Fred Kurker
  • President - Robert Cook
  • Chief Information Officer - Matthew Lynch
  • Chief Legal Officer - Steven Davis
  • Kent Spafford - Chief Executive Officer

    Kent Spafford, the Chief Executive Officer at One Call, directs the overarching corporate strategy and operational execution. Spafford guides the company's expansion within the ancillary services care coordination sector, ensuring alignment with market demands and industry best practices. This leadership role involves fostering innovation across all departments, driving revenue growth, and enhancing service delivery to clients in the workers' compensation space. By optimizing resource allocation and championing a performance-driven culture, Kent Spafford ensures One Call maintains its position as a leader in care management solutions. The Chief Executive Officer's focus remains on sustainable growth and delivering exceptional value to stakeholders through robust operational frameworks and strategic market penetration.

    Umesh Hb - Founder & Chief Executive Officer

    Umesh Hb, the Founder & Chief Executive Officer at One Call, establishes the foundational vision and long-term strategic direction for the organization. Hb's leadership drives the company's mission to excel in ancillary services care coordination for the workers' compensation industry. This executive position involves cultivating a culture of innovation and operational excellence, ensuring the company's services consistently meet and exceed client expectations. By overseeing key strategic initiatives and fostering strong relationships with industry partners, Umesh Hb ensures One Call's continued growth and market leadership. The Founder & Chief Executive Officer's commitment to pioneering solutions solidifies the company's reputation for delivering integrated and effective care management.

    Michele Haas - Chief Financial Officer

    Michele Haas, the Chief Financial Officer at One Call, oversees all financial operations and strategic financial planning. Haas manages budgeting, forecasting, and financial reporting, ensuring the fiscal health and stability of the organization. This critical role involves optimizing financial performance, managing investments, and identifying opportunities for cost efficiencies across the company's ancillary services care coordination business. By providing insightful financial analysis and strategic guidance, Michele Haas supports informed decision-making at the executive level. The Chief Financial Officer's expertise is essential in navigating the complex financial landscape of the workers' compensation industry, driving profitability and sustainable growth for One Call.

    John Giangrosso - President

    John Giangrosso, the President at One Call, drives strategic initiatives and operational oversight across key business units. Giangrosso focuses on enhancing the company's market position in ancillary services care coordination within the workers' compensation industry. This executive role involves fostering cross-functional collaboration, optimizing service delivery models, and ensuring alignment with the company's growth objectives. By championing operational excellence and client-centric solutions, John Giangrosso contributes significantly to One Call's success. The President's leadership ensures the effective execution of strategies designed to improve patient outcomes and streamline care management processes.

    Carlos Ramos - President

    Carlos Ramos, the President at One Call, spearheads strategic development and operational efficiency for designated divisions. Ramos concentrates on advancing One Call's capabilities in ancillary services care coordination, particularly within the dynamic workers' compensation landscape. This presidential role involves cultivating strong client relationships, identifying market opportunities, and ensuring the seamless integration of services. By driving performance improvements and promoting a culture of accountability, Carlos Ramos enhances the company's overall effectiveness. The President's dedication to innovation supports the delivery of superior care management solutions and reinforces One Call's industry leadership.

    Fred Kurker - President

    Fred Kurker, the President at One Call, directs strategic planning and operational execution for critical business segments. Kurker focuses on strengthening One Call's leadership in ancillary services care coordination for the workers' compensation sector. This executive capacity involves overseeing departmental performance, implementing best practices, and ensuring the consistent delivery of high-quality services. By fostering a collaborative environment and driving operational improvements, Fred Kurker contributes to the company's sustained success. The President's commitment to excellence supports the achievement of organizational goals and enhances client satisfaction through effective care management.

    Robert Cook - President

    Robert Cook, the President at One Call, leads strategic growth and operational excellence across key areas of the organization. Cook is instrumental in advancing One Call's mission to provide superior ancillary services care coordination within the workers' compensation industry. This leadership position involves managing complex operational frameworks, driving service innovation, and ensuring the highest standards of client support. By focusing on strategic market expansion and optimizing resource utilization, Robert Cook enhances the company's competitive advantage. The President's dedication to effective management ensures the continued delivery of impactful care solutions and reinforces One Call's industry standing.

    Matthew Lynch - Chief Information Officer

    Matthew Lynch, the Chief Information Officer at One Call, directs the company's technology strategy and infrastructure development. Lynch is responsible for implementing and managing robust IT systems that support One Call's ancillary services care coordination operations. This executive function involves overseeing data security, enhancing digital platforms, and driving technological innovation to improve service delivery and operational efficiency within the workers' compensation sector. By ensuring the reliability and scalability of technology solutions, Matthew Lynch empowers the organization to meet evolving client needs. The Chief Information Officer's strategic vision ensures One Call remains at the forefront of technological advancement in care management.
    Steven Davis, the Chief Legal Officer at One Call, provides comprehensive legal counsel and oversees all legal affairs for the organization. Davis ensures compliance with all relevant laws and regulations governing the workers' compensation and ancillary services industries. This leadership position involves managing risk, advising on corporate governance, and supporting strategic initiatives with legal expertise. By safeguarding the company's interests and mitigating legal challenges, Steven Davis plays a vital role in maintaining One Call's operational integrity. The Chief Legal Officer's guidance is instrumental in navigating the complex legal framework of care coordination, ensuring ethical practices and robust corporate governance.
    Steven Davis

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    Frequently Asked Questions Regarding One Call Top Executives and Leadership Team

    Who leads One Call?
    One Call is led by Kent Spafford (Chief Executive Officer), along with executives such as Umesh Hb (Founder & Chief Executive Officer) and Michele Haas (Chief Financial Officer).
    Who is part of One Call’s executive team?
    The executive team of One Call includes leaders such as Kent Spafford (Chief Executive Officer), Umesh Hb (Founder & Chief Executive Officer), Michele Haas (Chief Financial Officer) and other senior executives.
    How many executives does One Call have?
    One Call has 9 executives leading key business areas.
    What roles are included in One Call’s leadership team?
    The leadership team of One Call includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Chief Financial Officer, President, President.