{"id":1427,"date":"2026-01-06T12:00:15","date_gmt":"2026-01-06T12:00:15","guid":{"rendered":"\/?post_type=avada_portfolio&#038;p=1427"},"modified":"2026-05-20T15:49:38","modified_gmt":"2026-05-20T15:49:38","slug":"olga-sirbu","status":"publish","type":"avada_portfolio","link":"https:\/\/lab.research.sickkids.ca\/rutka\/portfolio-items\/olga-sirbu\/","title":{"rendered":"Olga Sirbu"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background hundred-percent-fullwidth non-hundred-percent-height-scrolling fusion-no-small-visibility fusion-no-medium-visibility\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-padding-top:100px;--awb-padding-right:10%;--awb-padding-bottom:175px;--awb-padding-left:10%;--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-text-color:var(--awb-color8);--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:36px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Lato&quot;;font-style:normal;font-weight:400;margin:0;text-transform:none;font-size:1em;\">Olga Sirbu<\/h1><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-bottom:40px;width:100%;max-width:200px;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-color4);border-color:var(--awb-color4);border-top-width:3px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">About me<\/h2><\/div><div class=\"fusion-text fusion-text-1\"><p>My research interests centre on the metabolic biology of pediatric CNS malignancies, with a particular focus on leptomeningeal metastasis. I am interested in how tumor cells adapt to challenging microenvironments and how these adaptations influence metastatic progression and treatment response. Prior to joining the lab as a Postdoctoral Fellow, I trained in Dr. Michael Taylor\u2019s group, where I developed a strong interest in cancer metabolism and translational neuro-oncology. Outside of the lab, I enjoy reading, spending time with friends and family, and walking along the lake.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:20px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">Why Science?<\/h2><\/div><div class=\"fusion-text fusion-text-2\"><p>I\u2019m drawn to science because I like difficult problems, particularly ones that constantly evolve as you study them. Cancer has a way of resisting simplicity. The deeper you look into it, the more it reveals itself to be adaptive, heterogeneous, and constantly changing in response to its environment. I think there is something intellectually compelling about working on a disease that refuses to remain static and that forces us to rethink the frameworks we use to understand it.<\/p>\n<p>Over time, I\u2019ve come to appreciate that research is often incremental and unpredictable, but that is also what makes it rewarding. Some of the most interesting work comes from trying to understand how and why biological systems adapt under pressure, especially in diseases that resist conventional ways of thinking. I&#8217;ve also come to appreciate that science is less about arriving at definitive answers than it is about learning how to ask better questions over time.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:20px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">What is your favourite part about working at the BTRC?<\/h2><\/div><div class=\"fusion-text fusion-text-3\"><div class=\"--ck-570 \" aria-label=\"6. What is your favourite part about working at the BTRC? Multi Line Text Required to answer \">\n<p>My favourite part about working at the BTRC is the collaborative and intellectually curious environment. One of the things I value most is being surrounded by people who are constantly challenging each other to think more critically and creatively. I also appreciate the close connection between research and clinical care, which keeps the work grounded in questions that have real relevance for patients and families.<\/p>\n<\/div>\n<\/div><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:20px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">What advice do you have for anyone interested in a career in science?<\/h2><\/div><div class=\"fusion-text fusion-text-4\"><div class=\"--ck-570 \" aria-label=\"7. What advice do you have for anyone interested in a career in science? Multi Line Text Required to answer \">\n<div class=\"-CJ-604 \" data-automation-id=\"questionContent\">\n<div class=\"-Og-606 \">\n<div class=\"-VI-620\">\n<div class=\"-EZ-623\">\n<p>I think one of the most important things is learning to become comfortable with uncertainty and failure. Research rarely progresses in a straight line, and some of the most valuable insights come from experiments or ideas that initially do not work the way you expected. I think it&#8217;s important to hold on to the part of science that excites you, because that sense of wonder is what makes the difficult parts worth enduring.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:20px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">Hobbies and interests?<\/h2><\/div><div class=\"fusion-text fusion-text-5\"><p>Outside of the lab, I enjoy listening to Lana Del Rey on repeat, disappearing into internet rabbit holes, and spending far too much time getting carried away by ideas and brainstorming sessions.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:20px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">If a celebrity were to play you in a movie about your life, who would it be and why?<\/h2><\/div><div class=\"fusion-text fusion-text-6\"><p>Probably Natalie Portman, mostly because I\u2019ve loved her movies for years and she somehow always feels slightly existential in a way I appreciate lol :)<\/p>\n<\/div><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" style=\"--awb-margin-top:50px;\" target=\"_self\" href=\"\/rutka\/team\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Back to team page<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-padding-top:100px;--awb-padding-right:10%;--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"1920\" height=\"2560\" title=\"Olga_Sirbu_Personal\" src=\"https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-scaled.jpeg\" alt class=\"img-responsive wp-image-2702\" srcset=\"https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-200x267.jpeg 200w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-400x533.jpeg 400w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-600x800.jpeg 600w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-800x1067.jpeg 800w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-1200x1600.jpeg 1200w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-scaled.jpeg 1920w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 400px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background hundred-percent-fullwidth non-hundred-percent-height-scrolling fusion-no-large-visibility\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:100px;--awb-padding-right:10%;--awb-padding-bottom:175px;--awb-padding-left:10%;--awb-padding-top-medium:0px;--awb-padding-right-medium:7%;--awb-padding-bottom-medium:75px;--awb-padding-left-medium:7%;--awb-padding-top-small:0px;--awb-padding-right-small:0px;--awb-padding-bottom-small:75px;--awb-padding-left-small:0px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-text-color:var(--awb-color8);--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-font-size:36px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Lato&quot;;font-style:normal;font-weight:400;margin:0;text-transform:none;font-size:1em;\">Olga Sirbu<\/h1><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-bottom:40px;width:100%;max-width:200px;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:var(--awb-color4);border-color:var(--awb-color4);border-top-width:3px;\"><\/div><\/div><div class=\"fusion-image-element \" style=\"--awb-aspect-ratio:3 \/ 2;--awb-object-position:50% 9%;--awb-margin-bottom:25px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none has-aspect-ratio\"><img decoding=\"async\" width=\"1920\" height=\"2560\" title=\"Olga_Sirbu_Personal\" src=\"https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-scaled.jpeg\" class=\"img-responsive wp-image-2702 img-with-aspect-ratio\" data-parent-fit=\"cover\" data-parent-container=\".fusion-image-element\" alt srcset=\"https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-200x267.jpeg 200w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-400x533.jpeg 400w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-600x800.jpeg 600w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-800x1067.jpeg 800w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-1200x1600.jpeg 1200w, https:\/\/lab.research.sickkids.ca\/rutka\/wp-content\/uploads\/sites\/137\/2026\/05\/Olga_Sirbu_Personal-scaled.jpeg 1920w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">About me<\/h2><\/div><div class=\"fusion-text fusion-text-7\"><p>My research interests centre on the metabolic biology of pediatric CNS malignancies, with a particular focus on leptomeningeal metastasis. I am interested in how tumor cells adapt to challenging microenvironments and how these adaptations influence metastatic progression and treatment response. Prior to joining the lab as a Postdoctoral Fellow, I trained in Dr. Michael Taylor\u2019s group, where I developed a strong interest in cancer metabolism and translational neuro-oncology. Outside of the lab, I enjoy reading, spending time with friends and family, and walking along the lake.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">Why Science?<\/h2><\/div><div class=\"fusion-text fusion-text-8\"><p>I\u2019m drawn to science because I like difficult problems, particularly ones that constantly evolve as you study them. Cancer has a way of resisting simplicity. The deeper you look into it, the more it reveals itself to be adaptive, heterogeneous, and constantly changing in response to its environment. I think there is something intellectually compelling about working on a disease that refuses to remain static and that forces us to rethink the frameworks we use to understand it.<\/p>\n<p>Over time, I\u2019ve come to appreciate that research is often incremental and unpredictable, but that is also what makes it rewarding. Some of the most interesting work comes from trying to understand how and why biological systems adapt under pressure, especially in diseases that resist conventional ways of thinking. I&#8217;ve also come to appreciate that science is less about arriving at definitive answers than it is about learning how to ask better questions over time.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">What is your favourite part about working at the BTRC?<\/h2><\/div><div class=\"fusion-text fusion-text-9\"><p>My favourite part about working at the BTRC is the collaborative and intellectually curious environment. One of the things I value most is being surrounded by people who are constantly challenging each other to think more critically and creatively. I also appreciate the close connection between research and clinical care, which keeps the work grounded in questions that have real relevance for patients and families.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">What advice do you have for anyone interested in a career in science?<\/h2><\/div><div class=\"fusion-text fusion-text-10\"><p>I think one of the most important things is learning to become comfortable with uncertainty and failure. Research rarely progresses in a straight line, and some of the most valuable insights come from experiments or ideas that initially do not work the way you expected. I think it&#8217;s important to hold on to the part of science that excites you, because that sense of wonder is what makes the difficult parts worth enduring.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">Hobbies and interests?<\/h2><\/div><div class=\"fusion-text fusion-text-11\"><p>Outside of the lab, I enjoy listening to Lana Del Rey on repeat, disappearing into internet rabbit holes, and spending far too much time getting carried away by ideas and brainstorming sessions.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-14 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:20px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;--awb-margin-top-medium:20px;--awb-font-size:24px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;text-transform:none;font-size:1em;\">If a celebrity were to play you in a movie about your life, who would it be and why?<\/h2><\/div><div class=\"fusion-text fusion-text-12\"><p>Probably Natalie Portman, mostly because I\u2019ve loved her movies for years and she somehow always feels slightly existential in a way I appreciate lol :)<\/p>\n<\/div><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" style=\"--awb-margin-top:50px;\" target=\"_self\" href=\"\/rutka\/team\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Back to team page<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":411,"featured_media":2702,"menu_order":6,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-1427","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - 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