Critical Mass Executive and Leadership Team

September, 2026

Leadership Overview

Critical Mass has 4 executives leading key functions including strategy, operations, financial management, and organizational leadership.

Focused on delivering high-impact digital experiences, Critical Mass drives global marketing innovation through advanced e-commerce strategy, user experience design, and data-driven development to transform how brands connect with modern consumers.

Leadership Roles at Critical Mass

  • Chief Executive Officer - Mick Wells
  • Chief Financial Officer - Jocelyn Loria
  • Chief Operating Officer - John McLaughlin
  • President - Aaron Rennaker
  • Mick Wells - Chief Executive Officer

    Mick Wells, the Chief Executive Officer at Critical Mass, directs the overarching vision and long-term growth trajectory for the agency. Overseeing global market expansion, the Chief Executive Officer ensures that all service offerings align with the evolving demands of e-commerce and digital transformation. This leadership role involves constant collaboration with the Board to refine the agency's competitive positioning within the international advertising landscape. By prioritizing user experience and responsive design, Mick Wells maintains the firm's reputation for technical excellence. The Chief Executive Officer also champions the integration of data strategy into every client engagement, ensuring measurable business outcomes. Through rigorous oversight of agency-wide performance metrics, the Chief Executive Officer secures the financial health and operational agility required to navigate complex market shifts. Ultimately, Wells drives the strategic initiatives that define the agency's presence in the global marketing sector.

    Jocelyn Loria - Chief Financial Officer

    Jocelyn Loria, the Chief Financial Officer at Critical Mass, governs the fiscal health and capital allocation strategies for the organization. Overseeing financial planning and analysis, the Chief Financial Officer ensures that investments in data strategy and technology development yield significant returns. This leadership role involves managing the budgetary requirements for large-scale marketing initiatives while maintaining strict compliance with international financial standards. By evaluating the profitability of various service lines, Jocelyn Loria provides the insights necessary for informed decision-making at the executive level. The Chief Financial Officer also manages relationships with stakeholders to ensure transparency and long-term value creation. Through the rigorous monitoring of cash flow and operational expenditures, the Chief Financial Officer supports the agency's ability to pursue new market opportunities. Ultimately, Loria secures the financial stability required to maintain the agency's position as a leader in digital marketing.
    Jocelyn Loria

    John McLaughlin - Chief Operating Officer

    John McLaughlin, the Chief Operating Officer at Critical Mass, manages the internal infrastructure and delivery systems that support the agency's diverse service portfolio. Focusing on operational efficiency, the Chief Operating Officer optimizes the workflows associated with web and mobile development projects. This role requires constant coordination with department heads to ensure that resource allocation matches the scale of client demands across North American and international markets. By streamlining project management methodologies, John McLaughlin enhances the speed and quality of digital product delivery. The Chief Operating Officer also monitors the performance of cross-functional teams to maintain high standards of user experience design. Through the implementation of scalable internal processes, the Chief Operating Officer supports the agency's ability to handle complex e-commerce planning requirements. Ultimately, McLaughlin ensures that the operational foundation remains robust enough to sustain continuous growth and innovation.

    Aaron Rennaker - President

    Aaron Rennaker, the President at Critical Mass, executes the day-to-day business strategy and drives the expansion of the agency's client base. Overseeing the implementation of e-commerce strategy and planning, the President ensures that client objectives translate into effective digital solutions. This role involves leading the development of new service offerings that address the complexities of modern user experience and mobile development. By fostering strong partnerships with key accounts, Aaron Rennaker maintains the agency's influence within the competitive marketing industry. The President also collaborates with other C-suite leaders to align creative output with data-driven insights. Through the management of high-level client relationships, the President ensures that the agency consistently delivers measurable impact across diverse industry sectors. Ultimately, Rennaker drives the tactical execution of the company's mission, ensuring that every project reflects the agency's commitment to innovation and excellence.

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    Frequently Asked Questions Regarding Critical Mass Top Executives and Leadership Team

    Who leads Critical Mass?
    Critical Mass is led by Mick Wells (Chief Executive Officer), along with executives such as Jocelyn Loria (Chief Financial Officer) and John McLaughlin (Chief Operating Officer).
    Who is part of Critical Mass’s executive team?
    The executive team of Critical Mass includes leaders such as Mick Wells (Chief Executive Officer), Jocelyn Loria (Chief Financial Officer), John McLaughlin (Chief Operating Officer) and other senior executives.
    How many executives does Critical Mass have?
    Critical Mass has 4 executives leading key business areas.
    What roles are included in Critical Mass’s leadership team?
    The leadership team of Critical Mass includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President.