Albemarle Corporation announced changes to its organizational structure that resulted in Netha N. Johnson, Chief Operations Officer, leaving the Company effective August 10, 2025. Mark M. Mummert, age 57, will succeed Mr. Johnson as Chief Operations Officer. Mr. Mummert has served as Senior Vice President and Chief Capital, Resources and Integrated Supply Chain Officer since November 2024.
Since joining the Company in 2019, he served as Chief Operating Officer for the Energy Storage business until May 2024 when he was appointed as Senior Vice President, Capital Projects and Integrated Supply Chain. Before joining the Company, Mr. Mummert held progressive leadership roles in supply chain and global operations at FMC Corporation. His industry experience also includes 20 years with Rohm and Haas Company in various manufacturing and engineering roles.
Additionally, Mr. Mummert previously served in roles with The Dow Chemical Company.

















