{"id":2189,"date":"2026-01-07T16:09:38","date_gmt":"2026-01-07T07:09:38","guid":{"rendered":"https:\/\/corporateactionjapan.platepre.net\/member\/akiyo-nagashima\/"},"modified":"2026-06-08T12:18:43","modified_gmt":"2026-06-08T03:18:43","slug":"akiyoshi-nagashima","status":"publish","type":"member","link":"https:\/\/corporateactionjapan.org\/en\/member\/akiyoshi-nagashima\/","title":{"rendered":"Akiyoshi NAGASHIMA"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Former Managing Executive Officer and Chief Investment Officer (CIO), Sumitomo Mitsui Trust Asset Management. During his nearly 40 years at the Sumitomo Mitsui Trust Group, Akiyoshi Nagashima served as an Executive Officer at Sumitomo Mitsui Trust Bank before assuming this role. His broad practical experience ranges from banking ALM and risk management to asset management and investment strategy. He earned an MBA from the University of Tsukuba in 2024, researching Japan\u2019s green transition policy. Certified Member Analyst of the Securities Analysts Association of Japan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"featured_media":2279,"template":"","member_cat":[],"class_list":["post-2189","member","type-member","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Akiyoshi NAGASHIMA | Corporate Action Japan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/corporateactionjapan.org\/en\/member\/akiyoshi-nagashima\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Akiyoshi NAGASHIMA | Corporate Action Japan\" \/>\n<meta property=\"og:description\" content=\"Former Managing Executive Officer and Chief Investment Officer (CIO), Sumitomo Mitsui Trust Asset Management. During his nearly 40 years at the Sumitomo Mitsui Trust Group, Akiyoshi Nagashima served as an Executive Officer at Sumitomo Mitsui Trust Bank before assuming this role. His broad practical experience ranges from banking ALM and risk management to asset management [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/corporateactionjapan.org\/en\/member\/akiyoshi-nagashima\/\" \/>\n<meta property=\"og:site_name\" content=\"Corporate Action Japan\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-08T03:18:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/corporateactionjapan.org\/wp-content\/uploads\/2026\/01\/nagashima.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"723\" \/>\n\t<meta property=\"og:image:height\" content=\"827\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/\",\"url\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/\",\"name\":\"Akiyoshi NAGASHIMA | Corporate Action Japan\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/corporateactionjapan.org\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/nagashima.jpg\",\"datePublished\":\"2026-01-07T07:09:38+00:00\",\"dateModified\":\"2026-06-08T03:18:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/#primaryimage\",\"url\":\"https:\\\/\\\/corporateactionjapan.org\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/nagashima.jpg\",\"contentUrl\":\"https:\\\/\\\/corporateactionjapan.org\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/nagashima.jpg\",\"width\":723,\"height\":827},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/akiyoshi-nagashima\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u30db\u30fc\u30e0\",\"item\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u30e1\u30f3\u30d0\u30fc\",\"item\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/member\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Akiyoshi NAGASHIMA\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/\",\"name\":\"Corporate Action Japan\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/corporateactionjapan.org\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Akiyoshi NAGASHIMA | Corporate Action Japan","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/corporateactionjapan.org\/en\/member\/akiyoshi-nagashima\/","og_locale":"en_US","og_type":"article","og_title":"Akiyoshi NAGASHIMA | Corporate Action Japan","og_description":"Former Managing Executive Officer and Chief Investment Officer (CIO), Sumitomo Mitsui Trust Asset Management. 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