Tallgrass Executive and Leadership Team

Crystal Heter, the Chief Executive Officer at Tallgrass, directs the overarching strategic vision for the organization. Overseeing the acquisition and development of midstream energy assets, the Chief Executive Officer ensures alignment with long-term growth objectives across North American markets. This leadership role involves constant collaboration with the Board to optimize capital allocation and operational efficiency. By fostering a culture of safety and innovation, Crystal Heter drives the company toward achieving superior performance in the energy sector. The Chief Executive Officer monitors industry trends to identify new opportunities for infrastructure expansion, ensuring the firm remains competitive. Through rigorous oversight of corporate governance and financial health, Heter secures the stability of the enterprise. Ultimately, the Chief Executive Officer maintains the focus on delivering value to stakeholders while navigating the complexities of the modern energy landscape.

David Dehaemers, the President & Chief Executive Officer, Amp at Tallgrass, manages the specialized initiatives within the Amp division. Overseeing the development of innovative energy solutions, the President & Chief Executive Officer, Amp ensures that new projects align with the broader corporate mission of midstream asset optimization. This role requires deep engagement with technical teams to advance project feasibility and execution. By leveraging industry expertise, David Dehaemers accelerates the deployment of energy infrastructure across diverse regional markets. The President & Chief Executive Officer, Amp coordinates with other executive leaders to integrate these specialized assets into the existing network, enhancing overall system reliability. Through strategic planning and resource management, Dehaemers drives the growth of the Amp portfolio. Ultimately, the President & Chief Executive Officer, Amp strengthens the market position of the firm by pioneering advanced energy delivery methods.

Matt Sheehy, the President & Chief Executive Officer at Tallgrass, leads the execution of core business operations and strategic initiatives. Overseeing the daily management of midstream assets, the President & Chief Executive Officer ensures that operational workflows support the company's commitment to reliability and safety. This leadership role involves directing cross-functional teams to improve asset utilization and efficiency across the North American footprint. By analyzing performance metrics, Matt Sheehy identifies areas for process improvement and capital investment. The President & Chief Executive Officer collaborates with the executive team to refine the corporate strategy, ensuring that all business units contribute to the overarching goals of the firm. Through decisive action and operational oversight, Sheehy maintains the integrity of the energy infrastructure. Ultimately, the President & Chief Executive Officer drives the company toward sustained profitability and operational excellence.

Kyle Quackenbush, the President, Segment Liquids (Crude Oil & Co2) at Tallgrass, manages the operations and commercial strategy for the liquids infrastructure segment. Overseeing the transport and storage of crude oil and carbon dioxide, the President, Segment Liquids (Crude Oil & Co2) ensures that these critical assets operate at peak efficiency to meet customer requirements. This role involves monitoring market demand and adjusting operational capacity to maximize throughput across the North American network. By optimizing logistics and maintenance schedules, Kyle Quackenbush maintains the reliability of the liquids infrastructure. The President, Segment Liquids (Crude Oil & Co2) works closely with commercial teams to secure new contracts and expand the customer base. Through strategic oversight of the liquids portfolio, Quackenbush drives revenue growth and operational stability. Ultimately, the President, Segment Liquids (Crude Oil & Co2) ensures the segment remains a vital component of the energy value chain.

Brooke Vandygriff, the Senior Vice President, Capital Project Development and Chief of Staff at Tallgrass, architects the strategy for large-scale infrastructure projects. Overseeing the lifecycle of capital developments, the Senior Vice President, Capital Project Development and Chief of Staff ensures that all engineering and construction efforts meet rigorous safety and regulatory standards. This role involves managing the project pipeline to align with the company's growth trajectory in North America. By coordinating with internal departments and external partners, Brooke Vandygriff facilitates the seamless transition from project conception to operational status. The Senior Vice President, Capital Project Development and Chief of Staff also manages executive communications and strategic planning initiatives to support the leadership team. Through meticulous project oversight, Vandygriff optimizes resource allocation and project timelines. Ultimately, the Senior Vice President, Capital Project Development and Chief of Staff secures the future capacity of the energy network.

Joey Mahmoud, the Executive Vice President & Chief People Officer at Tallgrass, directs the human capital strategy and organizational development initiatives. Overseeing talent acquisition, employee engagement, and workforce planning, the Executive Vice President & Chief People Officer ensures that the company attracts and retains the expertise necessary to operate complex midstream assets. This role involves fostering a high-performance culture that aligns with the firm's core values and operational goals. By implementing comprehensive training and development programs, Joey Mahmoud enhances the capabilities of the workforce across all regional operations. The Executive Vice President & Chief People Officer collaborates with other leaders to ensure that organizational structures support the strategic objectives of the business. Through effective leadership and policy design, Mahmoud drives employee satisfaction and productivity. Ultimately, the Executive Vice President & Chief People Officer strengthens the organizational foundation required for long-term success.