Group 1 - The article discusses the trend of CFOs transitioning to CEO roles, highlighting an increase in such movements in 2025 [3][4] - Approximately 7.5% of current CEOs in Fortune 500 and S&P 500 companies have previously served as CFOs, marking an increase from 7.1% in 2024 and 6.5% in 2015 [4] - The article mentions Alan K. Shepard's promotion to CEO of CNX Resources, effective January 1, following the retirement of Nick Deiuliis [7] Group 2 - Alan K. Shepard has over 20 years of experience in the energy sector, including roles such as CFO and finance director at EdgeMarc Energy Holdings [5] - Nick Deiuliis, the outgoing CEO, has been with CNX Resources for 35 years and will continue to serve on the board after his retirement [6][7] - The company is expected to appoint a new CFO by the end of the year following Shepard's promotion [7]