Leadership Overview
Grimaldi's Coal Brick Oven Pizzeria has 4 executives leading key functions including strategy, operations, finance, and human resources.
Dedicated to delivering authentic New York-style pizza, Grimaldi's Coal Brick Oven Pizzeria upholds a leadership philosophy centered on quality, customer experience, and operational excellence, solidifying its market presence since its 1990 establishment.
Dedicated to delivering authentic New York-style pizza, Grimaldi's Coal Brick Oven Pizzeria upholds a leadership philosophy centered on quality, customer experience, and operational excellence, solidifying its market presence since its 1990 establishment.
Leadership Roles at Grimaldi's Coal Brick Oven Pizzeria
Joseph Ciolli - Chief Executive Officer
Joseph Ciolli, the Chief Executive Officer at Grimaldi's Coal Brick Oven Pizzeria, directs the overarching corporate strategy and long-term vision for the American pizzeria chain. Overseeing all facets of the business, Joseph Ciolli ensures alignment with the company's mission of delivering authentic New York-style pizza across its United States locations. This leadership role involves driving growth initiatives, identifying new market opportunities, and maintaining the brand's reputation for quality and exceptional dining experiences. By fostering a culture of excellence, Joseph Ciolli guides the executive team in optimizing operational efficiency and enhancing customer satisfaction. The Chief Executive Officer's strategic decisions directly impact the company's financial performance and its continued expansion within the competitive hospitality sector. This executive's focus remains on strengthening Grimaldi's market position through innovative approaches to menu development and service delivery, ensuring sustained success for the brand.
Jack Harthun - Chief Financial Officer
Jack Harthun, the Chief Financial Officer at Grimaldi's Coal Brick Oven Pizzeria, directs all financial planning, accounting, and reporting activities for the organization. Overseeing the fiscal health of the company, Jack Harthun manages budgeting, forecasting, and financial analysis to support strategic decision-making and ensure profitability. This critical role involves optimizing financial performance, managing capital expenditures, and securing funding for growth initiatives across the United States. By maintaining rigorous financial controls, Jack Harthun safeguards the company's assets and enhances its overall economic stability. The Chief Financial Officer's expertise is vital in navigating the complexities of the restaurant industry, ensuring compliance with financial regulations and driving sustainable revenue growth. Jack Harthun's strategic financial oversight is fundamental to Grimaldi's continued success and expansion in the competitive hospitality market.
Michael Flaum - Chief Operating Officer
Michael Flaum, the Chief Operating Officer at Grimaldi's Coal Brick Oven Pizzeria, manages the day-to-day operational execution across all restaurant locations. Overseeing the critical functions of service delivery and kitchen management, Michael Flaum ensures adherence to Grimaldi's high standards for food quality and preparation, particularly its signature coal brick oven pizzas. This role involves optimizing supply chain logistics, implementing efficient operational procedures, and driving performance improvements throughout the restaurant network. By focusing on operational excellence, Michael Flaum supports the company's expansion efforts and maintains consistent brand experience for patrons nationwide. The Chief Operating Officer's responsibilities extend to staff training and development, ensuring a skilled workforce capable of delivering exceptional customer service. Michael Flaum's leadership directly contributes to the seamless functioning of each establishment, reinforcing Grimaldi's commitment to authenticity and customer satisfaction in the hospitality industry.
Danny Breitegan - Chief People Officer
Danny Breitegan, the Chief People Officer at Grimaldi's Coal Brick Oven Pizzeria, leads all human resources functions, focusing on talent acquisition, employee development, and fostering a positive workplace culture. Overseeing the strategic management of the company's workforce, Danny Breitegan ensures that Grimaldi's attracts, retains, and develops the skilled personnel necessary to deliver exceptional dining experiences. This role involves designing and implementing HR policies, managing compensation and benefits, and championing employee engagement initiatives across all restaurant locations. By prioritizing people operations, Danny Breitegan contributes directly to operational efficiency and brand consistency. The Chief People Officer's commitment to employee well-being and professional growth is integral to maintaining Grimaldi's reputation as a premier employer and a beloved pizzeria chain. Danny Breitegan's leadership cultivates a supportive environment essential for the company's sustained success and expansion.
Explore Leadership Teams in Hospitality
Founded in 1978, Marco's Pizza is a franchise selling made-to-order and specialty pizzas. They are headquartered in Toledo, Ohio.
Company Leadership
TW
SP
Founded in 1928, White Spot is a Canadian restaurant chain that is known for its hamburgers, children's meals, triple-o sauce, and milkshakes. White Spot is located in Canada.
Company Leadership AK
DT
TC
Founded in 2018, Hawaiian Bros is a fast casual restaurant specializing in the traditional Hawaiian plate lunches. They are headquartered in Kansas City, Missouri.
Company Leadership


Here at Merivale, Sydney's premier hospitality company we pride ourselves on the calibre and the integrity of our staff and continually strengthen our teams with enthusiastic, motivated individuals. Merivale has developed a mantra 'life less ordinary' and this is exemplified in all Merivale's properties, activities and service culture.
Company Leadership
JF
