Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2020-03-06 | Ms. Ryerkerk was Executive Vice President of Global Manufacturing at Shell Downstream Inc.... She received a Chemical Engineering degree from Iowa State University... no mention of programming or software engineering. |
| 2021-03-05 | Ms. Ryerkerk received a Chemical Engineering degree from Iowa State University. She serves on the Board of Eaton Corporation plc, a diversified power management company, and previously served on the board of directors of Axalta Coating Systems, a leading provider of liquid and powder coatings. |
| 2022-03-10 | Ms. Ryerkerk received a Chemical Engineering degree from Iowa State University. She serves on the Board of Eaton Corporation plc, a diversified power management company, and previously served on the board of directors of Axalta Coating Systems, a leading provider of liquid and powder coatings. |
| 2023-03-09 | Chair, Chief Executive Officer and President – Celanese Corporation; B.S. in chemical engineering, Iowa State University. |
| 2024-03-21 | B.S. in chemical engineering, Iowa State University Chief Executive Officer and President, Celanese (2019 – present); Chair (2020 – present) Executive Vice President of Global Manufacturing of Shell Downstream Inc., the largest business of Royal Dutch Shell plc (now Shell plc), a global group of energy and petrochemical companies, where she led a team of 30,000 employees and contractors at refineries and chemical sites worldwide (2013 – 2018) |
| Filing Date | Source Excerpt |
|---|---|
| 2025-03-28 | Ms. Ryerkerk is the former chairman, chief executive officer, and president of Celanese Corp., a Fortune 500 global chemical and specialty materials company. |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-22