{"id":1029,"date":"2019-11-05T11:44:12","date_gmt":"2019-11-05T10:44:12","guid":{"rendered":"https:\/\/thenaturalgem.com\/about\/"},"modified":"2025-09-01T10:32:37","modified_gmt":"2025-09-01T08:32:37","slug":"about","status":"publish","type":"page","link":"https:\/\/thenaturalgem.com\/en\/about\/","title":{"rendered":"About<\/span>"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text]<\/p>\n

About<\/span><\/h1>\n

THE NATURAL GEM is your partner for investments in gemstones and jewels.<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/2″][vc_single_image image=”51560″ img_size=”large” alignment=”center” css=””][\/vc_column][vc_column width=”1\/2″][vc_column_text css=””]<\/p>\n

Dr. Thomas Schr\u00f6ck<\/span><\/h3>\n

Founder and Chief Executive Officer<\/h4>\n

[\/vc_column_text][vc_column_text]The founder and managing partner of THE NATURAL GEM has been active in international gemstone trading for 30 years. As a doctor of economics and a certified gemmologist in Switzerland, Germany and the USA, among other countries, he is one of Europe\u2019s leading experts on naturally-coloured, untreated gemstones and investments in them.[\/vc_column_text][vc_column_text]His bestseller \u201cInvesting in Gemstones<\/a>\u201d, first published in 2017 and now in its third edition, is the first book to provide profound insights into the world of the most valuable stones in the world. It deals with both mineralogical and historical aspects of gemstones, explains what to look out for, and gives an overview of price developments.[\/vc_column_text][\/vc_column][\/vc_row][vc_row disable_element=”yes”][vc_column][vc_column_text]<\/p>\n

Team<\/span><\/h2>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/2″][vc_column_text css=””]<\/p>\n

Robert Ziegenfelder, MSc<\/span><\/h3>\n

Chief Operating Officer<\/h4>\n

[\/vc_column_text][vc_column_text css=””]Robert Ziegenfelder combines a solid career in emergency medical services with a commitment to teaching and strategic expertise, primarily through his academic training.<\/p>\n

He brings a rare set of skills to the table, including extensive operational leadership experience in emergency and rescue management, teaching expertise in training and continuing education, and strategic knowledge gained through his academic studies. He combines efficiency and process thinking in emergency medical services with business acumen.[\/vc_column_text][\/vc_column][vc_column width=”1\/2″][vc_single_image image=”51574″ img_size=”full”][\/vc_column][\/vc_row][vc_row rtl_reverse=”yes” content_placement=”middle”][vc_column width=”1\/2″][\/vc_column][vc_column width=”1\/2″][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"[vc_row][vc_column][vc_column_text] About THE NATURAL GEM is your partner for investments in gemstones and jewels. [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][\/vc_column][\/vc_row][vc_row content_placement=\"middle\"][vc_column width=\"1\/2\"][vc_single_image image=\"51560\" img_size=\"large\" alignment=\"center\" css=\"\"][\/vc_column][vc_column width=\"1\/2\"][vc_column_text css=\"\"] Dr. Thomas Schr\u00f6ck Founder and Chief Executive Officer [\/vc_column_text][vc_column_text]The founder and managing partner of THE NATURAL GEM has been active in international gemstone trading for 30 years. As a doctor of economics","protected":false},"author":10,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/header-space.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1029","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nAbout: Dr. Thomas Schr\u00f6ck | The Natural Gem<\/title>\n<meta name=\"description\" content=\"The founder and managing partner of THE NATURAL GEM has been active in international gemstone trading for 30 years.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thenaturalgem.com\/en\/about\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"About: Dr. Thomas Schr\u00f6ck | The Natural Gem\" \/>\n<meta property=\"og:description\" content=\"The founder and managing partner of THE NATURAL GEM has been active in international gemstone trading for 30 years.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thenaturalgem.com\/en\/about\/\" \/>\n<meta property=\"og:site_name\" content=\"The Natural Gem\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/TheNaturalGemVienna\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-01T08:32:37+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@thenaturalgem1\" \/>\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:\\\/\\\/thenaturalgem.com\\\/en\\\/about\\\/\",\"url\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/about\\\/\",\"name\":\"About: Dr. Thomas Schr\u00f6ck | The Natural Gem\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/#website\"},\"datePublished\":\"2019-11-05T10:44:12+00:00\",\"dateModified\":\"2025-09-01T08:32:37+00:00\",\"description\":\"The founder and managing partner of THE NATURAL GEM has been active in international gemstone trading for 30 years.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/about\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/about\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/about\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"About\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/\",\"name\":\"The Natural Gem\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/thenaturalgem.com\\\/en\\\/#organization\"},\"alternateName\":\"The Natural Gem - 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