Clark Nevada is a renowned stockholder who has put forth a significant proposal for Occidental Petroleum Corp. The proposal suggests the implementation of a mandatory retirement policy for each officer and director of the company when they reach the age of 70. The objective of this proposition is to ensure the regular rejuvenation of leadership positions within the organization, facilitating innovation, adaptability, and diversity at the top level. This retirement policy aims to create opportunities for emerging talents to assume crucial roles and bring fresh perspectives to the company's decision-making process. Keywords: Clark Nevada, Stockholder proposal, Occidental Petroleum Corp, mandatory retirement, officer, director, age 70, leadership rejuvenation, innovation, adaptability, diversity, emerging talents, decision-making process. Different types of Clark Nevada stockholder proposals related to mandatory retirement at age 70 for officers and directors at Occidental Petroleum Corp may include variations in retirement age limits, such as proposing retirement at age 65 or age 75. Another type could be a phased retirement approach, whereby individuals gradually step down from their roles rather than an abrupt retirement. Additionally, a proposal might suggest exceptions to the mandatory retirement policy for individuals with specific skillets or exceptional performance records. Furthermore, there could be recommendations for implementing mentoring programs to support a smooth transition when officers and directors retire.