MarketSource Executive and Leadership Team

July, 2026

Leadership Overview

MarketSource has 4 executives leading key functions including strategy, operations, and client relations.

Driven by a commitment to sales excellence, MarketSource delivers innovative marketing and promotional solutions, fostering deep consumer engagement and driving measurable brand growth across diverse industries.

Leadership Roles at MarketSource

  • President & Chief Executive Officer - Michael Ayesh
  • Chief Operating Officer - Jim Mediate
  • President - Liz Breitsameter
  • President - Jessica McNelley
  • Michael Ayesh - President & Chief Executive Officer

    Michael Ayesh, the President & Chief Executive Officer at MarketSource, directs the overarching corporate strategy and vision. Overseeing all business units, Ayesh ensures alignment with the company's mission to provide impactful sales and promotional solutions. This leadership role involves guiding MarketSource's expansion into new markets and solidifying its position as a premier marketing services provider. By championing innovation in field marketing and consumer engagement, Michael Ayesh drives the company's commitment to enhancing brand loyalty and sales performance for its clients. The strategic direction set by Ayesh focuses on optimizing operational efficiencies and fostering a culture of client-centric service delivery, directly impacting MarketSource's sustained growth and market leadership.

    Jim Mediate - Chief Operating Officer

    Jim Mediate, the Chief Operating Officer at MarketSource, executes the operational framework supporting the company's sales and promotional initiatives. Mediate oversees the day-to-day functions, ensuring seamless delivery of field marketing, event management, and consumer engagement services. This critical role involves optimizing resource allocation and streamlining processes to enhance service quality and client satisfaction. By focusing on operational excellence, Jim Mediate drives efficiency across all departments, directly contributing to MarketSource's ability to meet and exceed client expectations. The operational strategies implemented by Mediate are designed to scale effectively, supporting the company's growth objectives and reinforcing its reputation for reliable and impactful marketing solutions.

    Liz Breitsameter - President

    Liz Breitsameter, the President at MarketSource, spearheads client relationship management and the strategic development of promotional campaigns. Breitsameter focuses on understanding client needs and translating them into effective sales and engagement strategies. This leadership position involves fostering strong partnerships with brands across various industries, ensuring MarketSource's services directly address market demands. By driving client success, Liz Breitsameter enhances brand loyalty and sales performance through tailored marketing solutions. The collaborative approach championed by Breitsameter ensures that MarketSource consistently delivers innovative and impactful results, reinforcing the company's commitment to client-centric service and measurable business outcomes.

    Jessica McNelley - President

    Jessica McNelley, the President at MarketSource, directs the strategic execution of consumer engagement programs and field marketing initiatives. McNelley focuses on developing innovative approaches to connect brands with their target audiences, driving sales and building lasting relationships. This leadership role involves overseeing the implementation of dynamic promotional solutions designed to enhance brand visibility and market penetration. By championing cutting-edge engagement tactics, Jessica McNelley ensures MarketSource delivers exceptional value and measurable results for its clients. The strategic vision of McNelley supports the company's mission to foster deep consumer connections and drive significant sales growth through expertly managed marketing services.
    Jessica McNelley

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    Frequently Asked Questions Regarding MarketSource Top Executives and Leadership Team

    Who leads MarketSource?
    MarketSource is led by Michael Ayesh (President & Chief Executive Officer), along with executives such as Jim Mediate (Chief Operating Officer) and Liz Breitsameter (President).
    Who is part of MarketSource’s executive team?
    The executive team of MarketSource includes leaders such as Michael Ayesh (President & Chief Executive Officer), Jim Mediate (Chief Operating Officer), Liz Breitsameter (President) and other senior executives.
    How many executives does MarketSource have?
    MarketSource has 4 executives leading key business areas.
    What roles are included in MarketSource’s leadership team?
    The leadership team of MarketSource includes roles such as President & Chief Executive Officer, Chief Operating Officer, President, President.