Grimaldi's Coal Brick Oven Pizzeria Executive and Leadership Team

October, 2026

Leadership Overview

Grimaldi's Coal Brick Oven Pizzeria has 4 executives leading key functions including strategy, operations, financial planning, and human resources.

Committed to authentic culinary traditions, Grimaldi's Coal Brick Oven Pizzeria maintains a rigorous standard for coal-fired pizza excellence across the United States while fostering a culture of hospitality and consistent growth.

Leadership Roles at Grimaldi's Coal Brick Oven Pizzeria

  • Chief Executive Officer - Joseph Ciolli
  • Chief Financial Officer - Jack Harthun
  • Chief Operating Officer - Michael Flaum
  • Chief People Officer - Danny Breitegan
  • Joseph Ciolli - Chief Executive Officer

    Joseph Ciolli, the Chief Executive Officer at Grimaldi's Coal Brick Oven Pizzeria, directs the overarching strategic vision for the national restaurant chain. Ciolli defines the long-term expansion roadmap, ensuring the brand maintains its reputation for authentic coal-fired pizza across diverse regional markets. By aligning corporate objectives with operational realities, the Chief Executive Officer drives sustainable growth and market penetration. Joseph Ciolli monitors competitive landscapes to identify opportunities for brand elevation and service optimization. This leadership role involves constant collaboration with the board to secure financial health and operational integrity. Through the implementation of high-level performance metrics, the Chief Executive Officer guarantees that every location adheres to the core mission of quality and tradition. Ciolli prioritizes the scalability of the business model, ensuring that the expansion across the United States remains consistent with the established heritage of the brand.

    Jack Harthun - Chief Financial Officer

    Jack Harthun, the Chief Financial Officer at Grimaldi's Coal Brick Oven Pizzeria, governs the fiscal health and capital allocation strategies for the entire enterprise. Harthun manages financial reporting, budgeting, and long-term investment planning to support the expansion of the restaurant chain. The Chief Financial Officer analyzes revenue streams and cost structures to ensure the profitability of each location within the United States. Jack Harthun directs the financial forecasting processes, providing the executive team with actionable insights for strategic decision-making. By overseeing treasury functions and risk management, the Chief Financial Officer safeguards the assets of the company. This role involves frequent interaction with stakeholders to communicate financial performance and growth trajectories. Harthun implements rigorous internal controls to maintain fiscal discipline, ensuring that the business model remains resilient against market fluctuations while funding the necessary infrastructure for continued national growth and operational success.

    Michael Flaum - Chief Operating Officer

    Michael Flaum, the Chief Operating Officer at Grimaldi's Coal Brick Oven Pizzeria, manages the daily execution of restaurant operations across the national footprint. Flaum oversees supply chain logistics, ensuring that the specific coal-fired ovens and high-quality ingredients reach every location without interruption. The Chief Operating Officer optimizes kitchen workflows to maximize efficiency while maintaining the strict culinary standards synonymous with the brand. Michael Flaum coordinates with regional managers to address operational challenges and improve guest satisfaction metrics. By refining standard operating procedures, the Chief Operating Officer enhances consistency in service delivery throughout the United States. This role requires constant oversight of facility maintenance and safety protocols to protect the integrity of the dining experience. Flaum drives operational excellence by implementing data-driven improvements that streamline labor management and reduce overhead costs, ultimately supporting the broader profitability goals of the organization.

    Danny Breitegan - Chief People Officer

    Danny Breitegan, the Chief People Officer at Grimaldi's Coal Brick Oven Pizzeria, architects the human capital strategy to support a workforce spread across the United States. Breitegan oversees talent acquisition, leadership development, and employee retention programs designed to uphold the service standards of the brand. The Chief People Officer fosters a corporate culture centered on hospitality and professional growth, ensuring that every team member aligns with the mission of the organization. Danny Breitegan manages compensation structures and benefits administration to remain competitive within the hospitality industry. By implementing comprehensive training initiatives, the Chief People Officer ensures that staff members possess the skills required for high-quality food preparation and customer service. This role involves navigating complex labor regulations and promoting a safe, inclusive work environment. Breitegan drives organizational effectiveness by aligning personnel capabilities with the strategic goals of the company, ultimately enhancing the overall guest experience.

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    Frequently Asked Questions Regarding Grimaldi's Coal Brick Oven Pizzeria Top Executives and Leadership Team

    Who leads Grimaldi's Coal Brick Oven Pizzeria?
    Grimaldi's Coal Brick Oven Pizzeria is led by Joseph Ciolli (Chief Executive Officer), along with executives such as Jack Harthun (Chief Financial Officer) and Michael Flaum (Chief Operating Officer).
    Who is part of Grimaldi's Coal Brick Oven Pizzeria’s executive team?
    The executive team of Grimaldi's Coal Brick Oven Pizzeria includes leaders such as Joseph Ciolli (Chief Executive Officer), Jack Harthun (Chief Financial Officer), Michael Flaum (Chief Operating Officer) and other senior executives.
    How many executives does Grimaldi's Coal Brick Oven Pizzeria have?
    Grimaldi's Coal Brick Oven Pizzeria has 4 executives leading key business areas.
    What roles are included in Grimaldi's Coal Brick Oven Pizzeria’s leadership team?
    The leadership team of Grimaldi's Coal Brick Oven Pizzeria includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief People Officer.