ONE Gas Executive and Leadership Team

October, 2026

Leadership Overview

ONE Gas has 4 executives leading key functions including corporate strategy, operational management, financial oversight, and human resources.

Focused on reliable energy delivery, ONE Gas maintains a commitment to safe natural gas distribution across Oklahoma, Kansas, and Texas while driving sustainable growth for residential and industrial customers.

Leadership Roles at ONE Gas

  • President & Chief Executive Officer - Robert Mcannally
  • Senior Vice President & Chief Financial Officer - Christopher Sighinolfi
  • President & Chief Operating Officer - Curtis Dinan
  • Senior Vice President and Chief Human Resources Officer - Angela Kouplen
  • Robert Mcannally - President & Chief Executive Officer

    Robert Mcannally, the President & Chief Executive Officer at ONE Gas, directs the overarching corporate strategy for the regulated natural gas distribution utility. Mcannally manages the long-term vision for the three primary divisions, Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service, ensuring alignment with regulatory standards and shareholder expectations. By overseeing the executive leadership team, the President & Chief Executive Officer fosters a culture of operational excellence and safety across the entire United States footprint. This leadership role involves constant engagement with the Board to refine capital allocation and market expansion initiatives. Robert Mcannally drives the company toward achieving consistent performance metrics while balancing the needs of residential, commercial, and industrial customers. Through strategic oversight of the utility infrastructure, the President & Chief Executive Officer secures the stability of energy delivery systems, ultimately positioning the organization for sustained success within the competitive energy sector.

    Christopher Sighinolfi - Senior Vice President & Chief Financial Officer

    Christopher Sighinolfi, the Senior Vice President & Chief Financial Officer at ONE Gas, directs the financial planning, reporting, and capital management strategies for the organization. Sighinolfi oversees the fiscal health of the company, ensuring that investment in natural gas infrastructure aligns with long-term growth objectives and regulatory requirements. By managing investor relations and financial forecasting, the Senior Vice President & Chief Financial Officer provides the necessary data to support strategic decision-making at the executive level. This role involves rigorous oversight of the balance sheet and capital expenditure programs to maintain financial stability across the Oklahoma, Kansas, and Texas divisions. Christopher Sighinolfi drives the development of financial policies that optimize resource allocation and enhance shareholder value. Through the management of corporate finance functions, the Senior Vice President & Chief Financial Officer ensures that the utility maintains the necessary liquidity to support ongoing operations and future expansion within the energy market.

    Curtis Dinan - President & Chief Operating Officer

    Curtis Dinan, the President & Chief Operating Officer at ONE Gas, manages the daily operational execution of natural gas distribution services across the company's regional divisions. Dinan oversees the technical and field operations that ensure reliable service delivery to wholesale and public authority customers. By coordinating with regional leadership, the President & Chief Operating Officer optimizes supply chain logistics and infrastructure maintenance programs to enhance system efficiency. This role requires constant monitoring of operational performance data to mitigate risks and improve service reliability for all customer segments. Curtis Dinan drives the implementation of advanced distribution technologies, ensuring that the utility meets rigorous safety and compliance standards. Through the management of day-to-day field activities, the President & Chief Operating Officer supports the broader corporate mission of providing consistent energy solutions, effectively maintaining the operational integrity of the entire distribution network throughout the company's service territories.
    Curtis Dinan

    Angela Kouplen - Senior Vice President and Chief Human Resources Officer

    Angela Kouplen, the Senior Vice President and Chief Human Resources Officer at ONE Gas, directs the talent acquisition, organizational development, and employee engagement strategies for the entire workforce. Kouplen oversees the human capital initiatives that support the company's mission of providing safe and reliable natural gas distribution. By designing comprehensive training and leadership development programs, the Senior Vice President and Chief Human Resources Officer ensures that the organization maintains a skilled workforce capable of meeting complex operational demands. This role involves aligning human resources policies with corporate goals to foster a high-performance culture across all regional divisions. Angela Kouplen drives the implementation of compensation and benefits structures that attract and retain top talent within the energy industry. Through the management of internal communications and workforce planning, the Senior Vice President and Chief Human Resources Officer supports the overall organizational health, ensuring that the company remains well-positioned to execute its strategic objectives effectively.

    Explore Leadership Teams in Electricity, Oil & Gas

    Frequently Asked Questions Regarding ONE Gas Top Executives and Leadership Team

    Who leads ONE Gas?
    ONE Gas is led by Robert Mcannally (President & Chief Executive Officer), along with executives such as Christopher Sighinolfi (Senior Vice President & Chief Financial Officer) and Curtis Dinan (President & Chief Operating Officer).
    Who is part of ONE Gas’s executive team?
    The executive team of ONE Gas includes leaders such as Robert Mcannally (President & Chief Executive Officer), Christopher Sighinolfi (Senior Vice President & Chief Financial Officer), Curtis Dinan (President & Chief Operating Officer) and other senior executives.
    How many executives does ONE Gas have?
    ONE Gas has 4 executives leading key business areas.
    What roles are included in ONE Gas’s leadership team?
    The leadership team of ONE Gas includes roles such as President & Chief Executive Officer, Senior Vice President & Chief Financial Officer, President & Chief Operating Officer, Senior Vice President and Chief Human Resources Officer.