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Despite decades of extensive research, the expression of openness to experience in business strategy remains understudied. The current study addresses this gap by revealing that the openness in experience perceived from American and Chinese CEOs\u2019 social media predicted their firm\u2019s initiation of diversifying M&amp;As, even after controlling for an extensive set of potential confounds. By replicating our findings across two culturally distinct samples, we highlight the role of openness in corporate strategic decision-making, and the usefulness of social media as a source for personality assessment.<\/jats:p>","DOI":"10.1007\/s42001-025-00385-9","type":"journal-article","created":{"date-parts":[[2025,4,28]],"date-time":"2025-04-28T05:27:34Z","timestamp":1745818054000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["CEOs\u2019 online personality and their company\u2019s business strategy: openness to experience predicts diversifying merger and acquisition decisions"],"prefix":"10.1007","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8274-2793","authenticated-orcid":false,"given":"Bin","family":"Ke","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3587-5371","authenticated-orcid":false,"given":"Lin","family":"Qiu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tianshu","family":"Qu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Evelyn","family":"Gay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0804-8239","authenticated-orcid":false,"given":"Sarah Hian May","family":"Chan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6413-2016","authenticated-orcid":false,"given":"Jose","family":"Yong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,4,28]]},"reference":[{"issue":"1","key":"385_CR1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.2224\/sbp.2000.28.1.1","volume":"28","author":"JC Butler","year":"2000","unstructured":"Butler, J. 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