Tallgrass Executive and Leadership Team

Crystal Heter, the Chief Executive Officer at Tallgrass, directs the overarching corporate strategy and operational execution for the company's extensive midstream energy assets. Heter guides the organization's expansion initiatives and ensures alignment with market demands for energy infrastructure development. This leadership role involves fostering innovation in asset management and driving sustainable growth across all business segments. Heter's strategic vision shapes the company's approach to acquiring and developing new energy projects, directly impacting Tallgrass's market position and financial performance. The Chief Executive Officer oversees the integration of new assets and ensures operational efficiency, maintaining Tallgrass's commitment to reliable energy delivery. Crystal Heter's focus remains on maximizing shareholder value through disciplined capital allocation and operational excellence.

David Dehaemers, the President & Chief Executive Officer, Amp at Tallgrass, spearheads the strategic direction and operational oversight for the Amp segment, focusing on critical midstream energy services. Dehaemers drives the development and expansion of key infrastructure projects within this division, ensuring efficient acquisition and operation of assets. This executive's responsibilities include optimizing performance and identifying new growth opportunities that align with Tallgrass's broader business objectives. The President & Chief Executive Officer, Amp manages relationships with key stakeholders and partners, fostering collaboration to enhance service delivery. Dehaemers' leadership ensures the Amp segment contributes significantly to the company's overall success by maintaining high standards of operational integrity and market responsiveness. David Dehaemers is pivotal in executing the segment's growth strategy and achieving its financial targets.

Matthew Sheehy, the President & Chief Executive Officer at Tallgrass, leads the strategic vision and operational management across the company's diverse midstream energy portfolio. Sheehy directs initiatives aimed at enhancing asset performance and expanding market reach throughout North America. This executive's role involves overseeing critical business functions, including the development of new energy infrastructure and the optimization of existing operations. The President & Chief Executive Officer ensures that Tallgrass maintains its commitment to safety, environmental responsibility, and reliable energy delivery. Sheehy collaborates with other senior leaders to drive innovation and achieve sustainable growth, directly influencing the company's competitive standing. Matthew Sheehy's leadership is focused on maximizing operational efficiency and delivering value to stakeholders through strategic asset development and management.

Gary Watkins, the Executive Vice President & Chief Financial Officer at Tallgrass, directs the company's financial strategy, planning, and reporting. Watkins oversees all fiscal operations, including capital management, investment analysis, and financial risk mitigation for the midstream energy assets. This executive's responsibilities encompass managing relationships with financial institutions, investors, and regulatory bodies to ensure robust financial health. The Executive Vice President & Chief Financial Officer plays a crucial role in securing funding for new projects and optimizing the company's capital structure. Watkins's financial acumen guides strategic decisions related to mergers, acquisitions, and operational investments. Gary Watkins ensures financial discipline and transparency, driving profitability and long-term value creation for Tallgrass.

Kyle Quackenbush, the President, Segment Liquids (Crude Oil & Co2) at Tallgrass, leads the strategic operations and commercial activities for the company's crude oil and CO2 midstream assets. Quackenbush directs the management of transportation, storage, and related services, ensuring efficient and reliable delivery of these vital energy commodities across North America. This executive's responsibilities include driving segment growth, optimizing asset utilization, and developing new business opportunities within the liquids and CO2 markets. The President, Segment Liquids (Crude Oil & Co2) fosters strong relationships with producers, refiners, and industrial customers, ensuring alignment with market needs. Quackenbush's leadership focuses on enhancing operational performance and maximizing the value of Tallgrass's liquids and CO2 infrastructure. Kyle Quackenbush is key to the segment's profitability and strategic expansion.

Doug Johnson, the President, Crude Oil Transport at Tallgrass, directs the comprehensive operations and commercial strategy for the company's crude oil transportation segment. Johnson oversees the management of extensive pipeline networks and related logistics, ensuring the safe, efficient, and reliable movement of crude oil across key North American markets. This leadership role involves optimizing transportation capacity, managing operational costs, and identifying opportunities for network expansion and service enhancement. The President, Crude Oil Transport collaborates closely with customers and industry partners to meet evolving market demands and maintain service excellence. Johnson's focus is on driving operational efficiency and profitability within the crude oil transport division, reinforcing Tallgrass's position as a leading midstream provider. Doug Johnson's expertise is critical to the segment's success and growth.

Allison Nelson, the Senior Vice President and Segment President, CO2 Business Development and Origination at Tallgrass, drives the strategic growth and commercial expansion of the company's carbon dioxide business. Nelson leads initiatives focused on identifying and securing new opportunities for CO2 transportation and related services, particularly in support of enhanced oil recovery and carbon capture projects. This executive's responsibilities include developing market strategies, cultivating key customer relationships, and originating new business ventures that leverage Tallgrass's CO2 infrastructure. The Senior Vice President and Segment President, CO2 Business Development and Origination plays a vital role in expanding the company's footprint in the growing CO2 market. Nelson's expertise is crucial for developing innovative solutions and ensuring the long-term viability of the CO2 segment. Allison Nelson is pivotal in advancing Tallgrass's position in the carbon management sector.

Brian Broyles, the Senior Vice President - Chief Information Officer at Tallgrass, architects and executes the company's comprehensive information technology strategy. Broyles oversees the development and implementation of robust digital infrastructure, ensuring the security and reliability of all technology systems supporting Tallgrass's midstream operations. This leadership position involves managing the IT department, driving digital transformation initiatives, and enhancing data analytics capabilities to support strategic decision-making. The Senior Vice President - Chief Information Officer ensures that technology investments align with business objectives, promoting operational efficiency and innovation across the organization. Broyles's expertise is critical in safeguarding company data and enabling seamless communication and collaboration. Brian Broyles drives technological advancements that support Tallgrass's growth and operational integrity.

Brooke Vandygriff, the Senior Vice President, Capital Project Development and Chief of Staff at Tallgrass, spearheads the strategic planning and execution of major capital projects within the company's midstream energy infrastructure. Vandygriff oversees the entire lifecycle of these development initiatives, from conception and feasibility studies to construction and operational integration. As Chief of Staff, Vandygriff provides critical support to executive leadership, facilitating strategic alignment and ensuring efficient communication across departments. This dual role involves managing complex project portfolios and driving operational improvements that enhance efficiency and profitability. Vandygriff's leadership ensures that capital investments are strategically deployed to support Tallgrass's growth objectives and market expansion. Brooke Vandygriff is instrumental in translating strategic goals into tangible project outcomes.

Joey Mahmoud, the Executive Vice President & Chief People Officer at Tallgrass, leads the human capital strategy and organizational development initiatives across the company. Mahmoud oversees all aspects of human resources, including talent acquisition, employee engagement, compensation and benefits, and leadership development for the midstream energy workforce. This executive's role is critical in fostering a positive and productive work environment that supports Tallgrass's operational goals and growth objectives. The Executive Vice President & Chief People Officer ensures that the company attracts, retains, and develops top talent, aligning people strategies with business imperatives. Mahmoud drives initiatives that promote diversity, inclusion, and continuous learning throughout the organization. Joey Mahmoud is dedicated to building a strong, cohesive team that powers Tallgrass's success.