Since April 2025, Mr. Dierker has served as President, Chief Executive Officer and a member of the Board of Directors at Church & Dwight Co., Inc., which manufactures and markets household, personal care and specialty products. He previously held various roles at Church & Dwight, including Executive Vice President and Chief Financial Officer from January 2016 to April 2022. Before joining Church & Dwight, he held a senior financial management role at Alpharma, Inc. and various financial and business development leadership positions at Ingersoll-Rand Ltd. He serves on McCormick's Audit Committee.