Relationship between organizational culture and employee engagement/ retention in Human Capital

Extensive research that drew on at least 5 sources. All sources must be properly cited. The following sections should be included in the research paper:
(1) Define the topic, including key terms, and explain how it relates to human capital planning.
(2) Best Practice – Select one best practice approach to the topic and its application in a real-world organization. (If possible, please write about Hubspot and its relevant industry, as they have an amazing culture that fosters employee engagement; otherwise, you can choose any company in the United States and its relevant industry, but please let me know which one you choose.)
(2a) Describe the best practice, consider industry trends, and conduct benchmark research.
(2b) Provide an overview of the company, the situation, how the best practices were implemented, and the results.
(3) Conclusion – assess the connection between the selected topic and human capital planning.