SimonMed Executive and Leadership Team

July, 2026

Leadership Overview

SimonMed has 7 executives leading key functions including strategy, operations, revenue, finance, marketing, human resources, and ownership.

Driven by a commitment to patient care, SimonMed is dedicated to providing accessible, high-quality diagnostic imaging services across multiple states, enhancing diagnostic accuracy and patient outcomes through certified facilities and expert staff.

Leadership Roles at SimonMed

  • Founder & Chief Executive Officer - John Simon
  • Chief Financial Officer - Mark Thomas
  • Chief Operating Officer - Surya Desiraju
  • Owner and President - Michael Dinkel
  • Chief Revenue Officer - Robert William Davey
  • Chief Marketing Officer - Jenna Lloyd
  • Chief Human Resources Officer - Shelley Garrity
  • John Simon - Founder & Chief Executive Officer

    John Simon, the Founder & Chief Executive Officer at SimonMed, architects the overarching corporate strategy and vision for the organization. Directing all executive functions, Simon ensures alignment with the company's mission of providing accessible, high-quality diagnostic imaging. Overseeing the expansion and operational integrity of over 150 accredited facilities across 9 states, John Simon drives the strategic growth initiatives. This leadership role involves fostering innovation in diagnostic technologies and maintaining the highest standards of patient care, directly impacting the company's market position and reputation. Simon's strategic direction ensures the continued success and expansion of SimonMed's service offerings.

    Mark Thomas - Chief Financial Officer

    Mark Thomas, the Chief Financial Officer at SimonMed, directs the company's financial planning, reporting, and fiscal management. Overseeing all financial operations, Thomas ensures robust financial health and strategic capital allocation across the organization's 150 accredited facilities. This critical role involves managing budgets, analyzing financial performance, and securing funding for expansion and technological advancements. Mark Thomas's financial acumen is essential for maintaining the company's stability and supporting its growth objectives in the competitive healthcare market. By ensuring sound financial stewardship, Thomas enables SimonMed to continue its mission of providing high-quality diagnostic imaging.

    Surya Desiraju - Chief Operating Officer

    Surya Desiraju, the Chief Operating Officer at SimonMed, executes the day-to-day operational strategies across the company's extensive network. Managing the seamless functioning of over 150 accredited facilities, Desiraju ensures adherence to ACR-RADSITE certification standards and operational efficiency. This role involves optimizing resource allocation, streamlining workflows, and maintaining the highest levels of service delivery across 9 states. Surya Desiraju's operational oversight is critical for ensuring consistent quality and patient experience throughout the SimonMed network. By focusing on operational excellence, Desiraju directly supports the company's mission to provide accessible and reliable diagnostic imaging services.

    Michael Dinkel - Owner and President

    Michael Dinkel, the Owner and President at SimonMed, provides executive leadership and strategic oversight for the organization. Holding ultimate responsibility for the company's direction, Dinkel guides the overall business strategy and ensures alignment with the core mission of delivering exceptional diagnostic imaging services. This leadership position involves making critical decisions regarding company growth, operational standards, and market expansion across 9 states. Michael Dinkel's ownership perspective ensures a long-term commitment to quality, patient care, and the sustained success of SimonMed's extensive network of accredited facilities. Dinkel's vision drives the company's continued impact in the healthcare sector.

    Robert William Davey - Chief Revenue Officer

    Robert William Davey, the Chief Revenue Officer at SimonMed, spearheads all revenue generation and commercial strategy initiatives. Directing sales, business development, and payer relations, Davey focuses on expanding market share and optimizing revenue streams across the company's 150+ facilities. This leadership position involves forging strategic partnerships and ensuring the financial viability of all commercial operations. Robert William Davey's expertise is crucial in navigating the complex healthcare reimbursement landscape and driving sustainable revenue growth. By enhancing commercial performance, Davey directly contributes to SimonMed's ability to invest in advanced imaging technologies and expand its service footprint.
    Robert William Davey

    Jenna Lloyd - Chief Marketing Officer

    Jenna Lloyd, the Chief Marketing Officer at SimonMed, leads all brand strategy, market positioning, and customer engagement initiatives. Developing and executing comprehensive marketing campaigns, Lloyd focuses on increasing brand awareness and patient acquisition across the 9 states SimonMed operates in. This role involves understanding market dynamics, identifying growth opportunities, and communicating the value proposition of SimonMed's diagnostic imaging services. Jenna Lloyd's strategic marketing leadership is vital for attracting new patients and reinforcing SimonMed's reputation for quality and accessibility. By driving market penetration, Lloyd directly supports the company's expansion and revenue goals.

    Shelley Garrity - Chief Human Resources Officer

    Shelley Garrity, the Chief Human Resources Officer at SimonMed, oversees all aspects of talent management, organizational development, and employee relations. Leading the human resources function, Garrity focuses on attracting, retaining, and developing the certified technologists and staff essential to SimonMed's 150+ facilities. This role involves cultivating a positive and productive work environment, ensuring compliance with labor laws, and implementing strategic HR initiatives. Shelley Garrity's dedication to employee well-being and professional growth is fundamental to maintaining SimonMed's high standards of patient care and operational excellence. By fostering a strong workforce, Garrity directly supports the company's mission and operational success.

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    Frequently Asked Questions Regarding SimonMed Top Executives and Leadership Team

    Who leads SimonMed?
    SimonMed is led by John Simon (Founder & Chief Executive Officer), along with executives such as Mark Thomas (Chief Financial Officer) and Surya Desiraju (Chief Operating Officer).
    Who is part of SimonMed’s executive team?
    The executive team of SimonMed includes leaders such as John Simon (Founder & Chief Executive Officer), Mark Thomas (Chief Financial Officer), Surya Desiraju (Chief Operating Officer) and other senior executives.
    How many executives does SimonMed have?
    SimonMed has 7 executives leading key business areas.
    What roles are included in SimonMed’s leadership team?
    The leadership team of SimonMed includes roles such as Founder & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Owner and President, Chief Revenue Officer.