Grimaldi's Coal Brick Oven Pizzeria Executive and Leadership Team

August, 2026

Leadership Overview

Grimaldi's Coal Brick Oven Pizzeria has 4 executives leading key functions including strategy, financial oversight, operational management, and human capital development.

Dedicated to authentic culinary traditions, Grimaldi's Coal Brick Oven Pizzeria maintains a commitment to high-quality coal-fired pizza while expanding the brand footprint across the United States.

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. By prioritizing the preservation of traditional coal-fired cooking methods, Ciolli ensures consistent quality across all locations. The Chief Executive Officer manages high-level relationships with stakeholders and investors to facilitate sustainable growth within the competitive hospitality sector. Overseeing the expansion of the brand into new regional markets, the Chief Executive Officer drives long-term profitability and brand recognition. Joseph Ciolli maintains a focus on operational excellence, ensuring that every restaurant adheres to the rigorous standards established since the inception of the business. Through constant evaluation of market trends, the Chief Executive Officer adapts the business model to meet evolving consumer demands while protecting the core identity of the pizzeria. This leadership approach secures the market position of the company as a premier destination for authentic pizza.

    Jack Harthun - Chief Financial Officer

    Jack Harthun, the Chief Financial Officer at Grimaldi's Coal Brick Oven Pizzeria, manages the fiscal health and capital allocation strategies for the entire organization. By monitoring revenue streams and controlling operational costs, the Chief Financial Officer ensures the financial stability required for nationwide growth. Jack Harthun oversees budgeting processes, financial reporting, and tax compliance, providing the necessary data for informed decision-making by the executive team. The Chief Financial Officer evaluates investment opportunities in new restaurant sites and infrastructure upgrades to maximize return on investment. By implementing robust financial controls, the Chief Financial Officer mitigates risks associated with supply chain fluctuations and labor market volatility. This role involves close collaboration with the Board to align fiscal objectives with the broader mission of the company. Through meticulous oversight of the balance sheet, the Chief Financial Officer supports the long-term viability and expansion goals of the pizzeria chain across the United States.

    Michael Flaum - Chief Operating Officer

    Michael Flaum, the Chief Operating Officer at Grimaldi's Coal Brick Oven Pizzeria, directs the daily execution of restaurant operations and supply chain logistics. By optimizing kitchen workflows and service standards, the Chief Operating Officer ensures that every guest receives the signature coal-fired experience. Michael Flaum manages the operational efficiency of the entire fleet of restaurants, focusing on inventory management and food safety protocols. The Chief Operating Officer coordinates with regional managers to maintain consistency in service delivery across diverse geographic markets. By streamlining procurement processes, the Chief Operating Officer reduces waste and improves margins on core ingredients. This leadership role involves implementing technology solutions to enhance front-of-house performance and back-of-house productivity. Through constant monitoring of operational metrics, the Chief Operating Officer drives continuous improvement in restaurant performance. Michael Flaum ensures that the operational infrastructure supports the rapid scaling of the brand while maintaining the high standards expected by customers.

    Danny Breitegan - Chief People Officer

    Danny Breitegan, the Chief People Officer at Grimaldi's Coal Brick Oven Pizzeria, architects the human capital strategy and organizational culture for the entire workforce. By overseeing recruitment, training, and employee retention programs, the Chief People Officer ensures that the company attracts and develops top-tier talent in the hospitality industry. Danny Breitegan manages performance management systems and compensation structures to align individual contributions with corporate objectives. The Chief People Officer fosters an inclusive work environment that promotes professional growth and leadership development at every level of the organization. By implementing comprehensive training initiatives, the Chief People Officer ensures that staff members possess the skills necessary to uphold the quality standards of the brand. This role involves navigating complex labor regulations and building strong internal communication channels to maintain high employee engagement. Through strategic workforce planning, the Chief People Officer supports the operational needs of the company as the business expands into new territories.

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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.