SimonMed Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to patient care, SimonMed operates over 150 accredited facilities across 9 states, delivering essential diagnostic imaging services with certified technologists and equipment, solidifying its market presence through a philosophy of quality and accessibility.

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, directs the overarching strategy and vision for the company's extensive network of accredited medical imaging facilities. Simon guides the organization's expansion and operational excellence across 9 states, ensuring adherence to the highest standards of diagnostic imaging. This leadership role involves setting the strategic direction for growth, fostering innovation in patient care delivery, and maintaining the company's commitment to quality as evidenced by its ACR-RADSITE certifications. John Simon's foundational role establishes the core principles of accessibility and advanced medical imaging that define SimonMed's market position. The Chief Executive Officer's focus remains on long-term sustainability and enhancing the patient experience through state-of-the-art technology and expert medical professionals.

    Mark Thomas - Chief Financial Officer

    Mark Thomas, the Chief Financial Officer at SimonMed, manages the company's financial operations, including budgeting, forecasting, and capital allocation across its 150+ accredited facilities. Thomas ensures robust financial controls and reporting mechanisms are in place to support strategic decision-making and maintain fiscal responsibility. This role involves overseeing all financial aspects of the business, from managing operational expenses to securing funding for expansion initiatives within the 9 states SimonMed serves. Mark Thomas's expertise is critical in navigating the financial landscape of the healthcare sector, ensuring the company's long-term stability and profitability. The Chief Financial Officer's oversight extends to optimizing financial performance, managing risk, and supporting the company's growth objectives through sound financial planning and execution.

    Surya Desiraju - Chief Operating Officer

    Surya Desiraju, the Chief Operating Officer at SimonMed, oversees the day-to-day operational management of the company's 150+ accredited imaging facilities across 9 states. Desiraju is responsible for ensuring operational efficiency, quality control, and the seamless delivery of diagnostic imaging services, adhering to strict ACR-RADSITE certification standards. This executive drives initiatives to optimize workflows, manage resources effectively, and enhance the patient experience at every touchpoint. Surya Desiraju's leadership ensures that all facilities operate at peak performance, supporting the company's mission of providing high-quality, accessible medical imaging. The Chief Operating Officer's focus is on maintaining operational excellence and fostering a culture of continuous improvement throughout the organization.

    Michael Dinkel - Owner and President

    Michael Dinkel, the Owner and President at SimonMed, provides executive leadership and strategic oversight for the company's extensive network of over 150 accredited medical imaging facilities operating across 9 states. Dinkel's role involves guiding the company's long-term vision, ensuring adherence to its core values of quality patient care and operational excellence. This leadership position encompasses significant responsibility for the strategic direction and overall success of SimonMed, influencing key decisions regarding expansion, technology adoption, and market positioning. Michael Dinkel's ownership perspective drives a commitment to maintaining the highest standards of diagnostic imaging, supported by certified technologists and equipment. The Owner and President's focus remains on fostering sustainable growth and reinforcing SimonMed's reputation as a leading provider in the healthcare sector.

    Robert William Davey - Chief Revenue Officer

    Robert William Davey, the Chief Revenue Officer at SimonMed, architects and executes strategies to drive revenue growth and optimize financial performance across the company's 150+ imaging facilities. Davey oversees all revenue-generating activities, including sales, payer relations, and business development initiatives, ensuring alignment with SimonMed's mission of providing accessible diagnostic services. This executive focuses on expanding market share within the 9 states of operation by forging strong partnerships and enhancing service offerings. Robert William Davey's leadership ensures the financial vitality of the organization, directly impacting its capacity to invest in advanced technology and maintain its accredited facility standards. The Chief Revenue Officer's responsibilities include analyzing market trends and identifying new opportunities for revenue enhancement, thereby supporting the company's ongoing expansion and operational efficiency.
    Robert William Davey

    Jenna Lloyd - Chief Marketing Officer

    Jenna Lloyd, the Chief Marketing Officer at SimonMed, develops and implements comprehensive marketing strategies to enhance brand visibility and patient engagement across the company's 150+ facilities. Lloyd directs all marketing initiatives, including digital campaigns, public relations, and patient outreach programs, aimed at communicating the value of SimonMed's ACR-RADSITE certified diagnostic imaging services. This executive focuses on building strong patient relationships and increasing awareness of the company's presence in 9 states. Jenna Lloyd's leadership ensures that SimonMed effectively communicates its commitment to quality, accessibility, and advanced technology to both patients and referring physicians. The Chief Marketing Officer's role is pivotal in driving patient volume and reinforcing SimonMed's reputation as a trusted provider of medical imaging.

    Shelley Garrity - Chief Human Resources Officer

    Shelley Garrity, the Chief Human Resources Officer at SimonMed, leads all human capital management strategies, ensuring a skilled and motivated workforce across the company's 150+ facilities. Garrity oversees talent acquisition, employee development, compensation and benefits, and fosters a positive organizational culture that supports SimonMed's mission. This executive plays a critical role in attracting and retaining certified technologists and expert staff essential for delivering high-quality diagnostic imaging services in 9 states. Shelley Garrity's strategic direction ensures that SimonMed has the human resources necessary to achieve its operational and growth objectives. The Chief Human Resources Officer's focus is on building a robust talent pipeline and promoting employee engagement to drive organizational 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.