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Valentina greco - PI

Valentina was born in Palermo, Italy. Valentina was an undergraduate at the University of Palermo, Italy, got her PhD at the EMBL / MPI-CBG (Germany) (1998-2002) and did her post-doc at the Rockefeller University (2003-2009). Valentina is currently a Professor in the Genetics, Cell Biology and Dermatology Departments, and a member of the Yale Stem Cell Center and Yale Cancer Center at Yale University (2009-present). Valentina has been the recipient of several awards including the 2014 ISSCR-Outstanding Young Investigator Award, 2014 Women in Cell Biology Junior Award (WICB) for Excellence in Research from the American Society of Cell Biology (ASCB), the 2015 Robertson Stem Cell Investigator Award from the New York Stem Cell Foundation (NYSCF), 2015 Mallinckrodt Scholar Award, 2016 Early Career Award from ASCB, 2016 HHMI Faculty Scholar Award, 2017 Glenn Award for Research in Biological Mechanisms of Aging, 2017 Class of 61 Cancer Research Award, 2018 Graduate Mentor Award in the Natural Sciences, and was named the inaugural holder of the Carolyn Slayman Endowed Professorship in 2018.


Catherine Martone - Lab Manager

Catherine received her BS in biology from McGill University in 2001. She began her research in Dr. Warren Shlomchik’s lab at Yale immediately after graduation by studying the shared mechanisms of T cell killing in GVL against different models of chronic myeloid leukemia (CML) and comparing their stem cells with the goal of understanding why some leukemias are GVL-sensitive and others GVL-resistant. She remained in Dr. Shlomchik’s lab until joining the Greco Lab in July 2015 as their lab manager.  


David Gonzalez - Lab Manager

Dave started working at Yale in 2004 as a Veterinary Technologist. After receiving his MHS from Quinnipiac University in 2008, he took over management of the In Vivo Imaging Facility here at Yale. There he specialized in developing and implementing novel surgical approaches utilizing two-photon microscopy to conduct 4D imaging studies in various model systems and tissues. Simultaneously, he also conducted his own research under Dr. Ann Haberman studying B cell differentiation during the early germinal center response. He joined the Greco lab in November 2015 after many years of successful collaborations.


Elizabeth Lathrop - Postgraduate Associate

Elizabeth graduated from Cornell University in 2017 as a Biology and Psychology double major, with a concentration in Neurobiology and Behavior. She then worked as a medical scribe in the Emergency Department at Bristol Hospital. Elizabeth joined the Greco Lab in April 2018, interested in learning about stem cell mechanisms and genetic and cell biology techniques. She hopes to pursue some variation of an MD, MD-PhD, or PhD in the future.


Smirthy Ganesan - Postgraduate Associate

Smirthy is a Biochemistry graduate from Earlham College in Richmond, Indiana. She worked on various research projects ranging from characterizing histidyl dipeptides to investigating chemotactic behavior in Populus associated bacteria. She is fascinated by novel imaging techniques, which led her to the Greco lab in 2019. She is excited to learn from a brilliant and nurturing community.



Edward Marsh - PhD Student

Edward received his BS in computer science from the University of Washington in 2007. He then worked as a software developer at until discovering his passion for cell biology in 2011. Edward worked as a research assistant at the Fred Hutchinson Cancer Research Center and then started his PhD studies at Yale in 2014, joining the Greco lab in March 2015. Edward is interested in understanding the mechanisms that control and modulate tissue regeneration.


Jessica Moore - PhD Student

Jessica received her B.S. in biology and German studies from Colby College. She then worked for two years as a technician at Boston Children’s Hospital studying hematopoiesis and clonality using zebrafish as a model organism. Jess began her PhD studies at Yale in the fall of 2016 and joined the Greco lab in March 2017. Now, she is interested in understanding the signaling processes governing epidermal homeostasis.


Karen Tai - Undergraduate Student

Karen is an undergraduate at Yale University. Karen previously worked at The Brigham in the lab of Oliver Jonas where she investigated the metabolic competition between immune and cancer cells in live tumors. She also worked at MIT in the lab of Matthew Vander Heiden where she studied pancreatic cancer metabolism. Karen joined the Greco lab in January 2018. Karen is interested in understanding the interface between homeostasis and cancer.


Haoyang Wei - PhD Student

Haoyang received his B.S. degree in Biological Sciences in 2017 from Nanjing University, China. During his undergraduate years, he researched on diverse topics such as the nanoparticle corona, skin-derived progenitors, and DNA methylation, finally discovering his passion for the skin. Haoyang started his PhD studies at Yale in the fall of 2017 and joined the Greco Lab in March 2018. He is interested in understanding mechanisms maintaining the homeostasis of different skins.


Dennis May - PhD Student

Denny is from Tolland, Connecticut and received his BS in biology from DePaul University in Chicago, Illinois. He studied chromosomal genetics during fruit fly meiosis at DePaul, and GPCR dynamics at Northwestern University. Denny started his PhD in the fall of 2017 and joined the Greco lab in March of 2018. He is interested in basic cell biology and dynamics of the skin epithelia.


Shuangshuang Du - PhD Student

Shuangshuang received her B.S. in Life Sciences in 2018 from Nanjing University, China. She worked as an intern in Ronen Zaidel-Bar’s lab in Mechanobiology Institute, Singapore, where she investigated the function of an actin-bundling protein during epidermal morphogenesis in C.elegans embryos. Shuangshuang began her Ph.D. studies at Yale in the fall of 2018 and joined the Greco lab in March 2019. She is interested in studying how the extracellular matrix interacts with skin dermal fibroblasts.


Sangwon Yun - MD/PhD Student

Sangwon grew up in the Bay Area and graduated from Duke University with a BS in biology. During undergrad, he studied hematologic malignancies at Duke and prostate cancer drug candidates at UCLA. Sangwon began his MD/PhD in the fall of 2017 and joined the Greco lab in August 2019. He is interested in immune mediators of oncogenic insult management.



Sangbum Park - Postdoctoral Fellow

Sangbum received his B.S. in Animal Science in 2006 and Ph.D. in Biological Science in 2012 from the Seoul National University, South Korea. For his Ph.D. he focused on modulation of self-renewal and differentiation capability in human mesenchymal stem cells. Sangbum joined the Greco Lab May 2013. In the Greco Lab, he is interested in studying stem cell decisions in the skin during wound healing by live imaging.

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Tianchi Xin - Postdoctoral Associate

Tianchi is from China. He received his B.S. degree in biology from Nanjing Normal University in 2006. Then he did research in stem cell and developmental biology in Shanghai Jiao Tong University and received his Ph.D. degree in 2014. Tianchi joined Greco Lab in May 2014. He is interested in studying the signaling mechanisms underlying hair follicle regeneration and stem cell regulation by molecular and genetic methods.

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Katherine Cockburn - Postdoctoral Fellow

Katie received her BS from the University of British Columbia and her PhD from the University of Toronto. She performed her doctoral work in the lab of Dr. Janet Rossant, where she studied lineage specification in the preimplantation mouse embryo. Katie joined the Greco lab in June 2015, and she is interested in understanding how stem cell fate is controlled in the inter follicular epidermis.


Sara Gallini - Postdoctoral Fellow

Sara received her B.S. and M.S. degrees in Biotechnology and Medical Biotechnology from the University of Bologna and her PhD in Molecular Medicine from the University of Milan. She performed her doctoral work at the European Institute of Oncology (IEO) in Milan in the lab of Dr. Marina Mapelli. The main findings of her Ph.D. research include the identification and functional characterization of the novel mitotic spindle orientation functions of Aurora-A kinase and of the actin-binding protein Afadin. Sara joined the Greco lab in October 2016, and she is interested in elucidating the cellular behaviors of wound repair that promote skin cancer initiation.


Anupama Hemalatha - Postdoctoral Associate

Anupama received her B.S. in Zoology from Kerala, India and M.S. in Molecular and Human Genetics from BHU, India. During her PhD, at the interface of cell and developmental biology at NCBS, Bangalore, India, Anupama discovered the involvement of a novel endocytic pathway in Wingless (Wnt) internalization and signaling. While deciphering the cellular events that modulate Wnt signaling, she was fascinated by the convergence of cell fate signals with pathways involved in anabolic growth. In the Greco lab, Anupama plans to explore the principles of growth and homeostasis underlying tolerance to mutations in normal tissue.


Chen Kam - Postdoctoral Associate

Chen is from Kuala Lumpur, Malaysia and received his B.S. in Biochemistry from the University of Wisconsin-Madison. He carried out his doctoral work in the lab of Kathleen Green at Northwestern University where he studied the role of desmosomes in the regulation of gap junctions in cardiocutaneous models. Chen joined the Greco lab in August 2018, and he is interested in studying the dermal vasculature in the context of hair follicle regeneration.

Admin Support

Alice Matthews - Administrative Assistant

Alice graduated from the University of New Haven with a M.A. in Industrial Organizational Psychology and has been working at Yale since 2010 in the School of Forestry and Environmetnal Studies and the departments of Laboratory Medicine and Immunobiology . She joined the Greco Lab in early 2017 and now is our adored administrative assistant who helps with the day to day operations of the lab and without whom we would all be lost.