Blood Banking & Transfusion Medicine

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Clinical Chemistry

Kwaku Tawiah, PhD
Kwaku Tawiah grew up in Mim, in the Ahafo region of Ghana, West Africa. He received his bachelor’s degree in chemistry with an emphasis in biochemistry at Lindenwood University St, Charles. Following his undergraduate degree, he worked as a laboratory technician, first at Monsanto (now Bayer), and next at BioMerieux. He went on to complete his Ph.D. at the University of Missouri, Columbia, under the mentorship of Dr. Donald H. Burke-Agüero. Kwaku’s Ph.D. work focused on developing nucleic acid-based affinity reagents (Aptamers), that recognize and bind to filovirus surfaces. He is now a Clinical Chemistry Fellow at Washington University School of Medicine in St Louis. In his free time, Kwaku enjoys playing and watching soccer. He also loves to cook West African cuisines.

Catherine Omosule, PhD
Cate Omosule was born in Ghana and completed high school in St. Louis, Missouri as part of a Youth Exchange program sponsored by the U.S. Department of State and the Ghanaian government. She earned her Bachelor of Science degree in Biology and Ph.D. in Biochemistry from the University of Missouri, Columbia. During graduate school, she was under the mentorship of Dr. Charlotte L. Phillips. Cate’s research explored the potential of improving bone strength in a rare bone disorder- osteogenesis imperfecta, using antibodies directed against myostatin (a muscle regulating ligand) and activin A. In her spare time, Cate enjoys reading, trying new recipes, gardening, and exploring St. Louis with her husband and daughter.

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Clinical Informatics

Robert Bell, MD
Robert Bell was raised in Fayetteville Arkansas and earned his bachelor’s degree in physics from the University of Arkansas.  He went on to complete an MD at the University of Arkansas for Medical Sciences followed by a residency in anatomic and clinical pathology at the University of Arizona.  He recently completed the hematopathology fellowship at Washington University in Saint Louis.  He is currently a combined molecular genetic pathology and clinical informatics fellow.  Robert enjoys cooking, baking, woodworking, and doing jigsaw puzzles with his wife.

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Anam Naumaan, MD
Anam Naumaan was born and raised in Lahore, one of the biggest cities in Pakistan. She earned her MD from Allama Iqbal Medical College in 2012, followed by a year of internship. She then moved to the US and rotated through various specialties, when she developed a strong interest in oncologic pathology. She completed her residency at Rush University Medical Center in Chicago (2020), followed by a Surgical Oncologic Pathology Fellowship at the University of Texas, MD Anderson Cancer Center. During her training years, she has worked on various projects, presented at meetings and published, mostly focused on oncologic pathology and cytopathology. Currently, she is a cytopathology fellow. As a fellow, she aspires to gain as much knowledge and skill as she can from her esteemed mentors. She loves teaching residents, discussing interesting cases, as well as collaborating with the clinical team. Outside of work, she enjoys spending time with her family, friends and toddler son (Ryaan), traveling, checking out new restaurants, baking, and is a fitness enthusiast.

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Carina Dehner, MD, PhD
Carina Dehner was raised in Nuremberg, Germany and earned her medical degree from the Technical University of Munich. She performed a 3-year research project studying signaling mechanisms of pemphigus vulgaris at the Ludwig Maximilian University. In 2014 she received an MD-Scientist Fellowship to pursue a 1-year research project at Yale University for which she joined the lab of Dr. Martin Kriegel to study the influence of commensal gut and skin bacteria in autoimmune diseases (systemic lupus erythematosus and antiphospholipid syndrome). After graduating in July 2016 from medical school, she decided to stay in the US to pursue a postdoctoral fellowship in Dr. Kriegel’s lab studying the role of skin microbiota in the pathogenesis of cutaneous T cell lymphoma until starting residency in June 2018. Carina graduated recently and started her Dermatopathology Fellowship in July 2021. She is enrolled in the Physician Scientist Training Program at Washington University in St. Louis and is currently studying Rhabdomyosarcoma pathogenesis in Dr. Angela Hirbe’s lab. In July 2022 she will do a Bone and Soft Tissue fellowship at the Mayo Clinic. She enjoys running in Forest Park, exploring St. Louis’ craft brewery scene with friends and dancing.

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Gynecologic and Breast Pathology

Mariangela Gomez-Ferrer, MD
Mariangela Gomez Ferrer was born in Venezuela and graduated in Medicine from Universidad de Oriente, presenting a research project focused on Molar pregnancy, combining her passion for histology, gynecology and obstetrics. After graduating, she spent a couple of years doing social work in her hometown and also traveled to other countries in South America. She then moved to the US to complete her AP/CP training in SUNY Upstate NY, where she continued to pursue her interest in woman’s health. She will complete this GYN/breast fellowship followed by Cytopathology with the goal of becoming an advocate physician for the female group.  Outside of work, she enjoys expending time with his family, learning languages, trying restaurants and taking cruises

Muhammad Masood Hassan, MD
Muhammad Masood Hassan earned his Bachelor of Medicine and Bachelor of Surgery degree from Allama Iqbal Medical College in Lahore, Pakistan (2013). Masood began a combined AP/CP residency program at Howard University Hospital in 2016, where he was chief resident, and completed his training at East Carolina University Brody School of Medicine (2020). Masood recently completed his surgical pathology fellowship at Washington University (2021) and is currently the Gynecologic and Breast fellow. Masood is an Urdu literature lover, cricket statistician, and Twitter enthusiast (Twitter handle: @mhassanaimc). He is also a food and a music lover who enjoys exploring new places and nature. Follow him on twitter for challenging and interesting pathology cases.

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Head & Neck Pathology

Troy Hutchens, MD, PhD
Troy Hutchens earned his bachelor’s degree in Chemistry from Southwestern University in Georgetown, Texas. He then worked as a lab technician at the University of Texas Southwestern Medical Center, before pursuing a joint MD/PhD at Vanderbilt University School of Medicine. For his graduate work, he joined the laboratory of David Piston, PhD. There, he studied the molecular mechanisms underlying glucose regulation of glucagon secretion from pancreatic islets through the development and implementation of innovative quantitative microscopy techniques. Troy has recently completed a combined AP/CP residency at the University of Pennsylvania. His academic interests include digital pathology and the implementation of new technology into surgical pathology. He currently serves as a Junior Member on the CAP Digital and Computational Pathology Committee. Outside of work, Troy enjoys cooking/eating delicious foods, any type of building/making projects, and training in Brazilian jiu-jitsu. 

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Brooj Abro, MD
Brooj grew up in Karachi, Pakistan and attended medical school at The Aga Khan University in Karachi, Pakistan. To broaden and diversify her cultural and professional experience, Brooj decided to visit the United States for her final year of medical school electives. She spent three months as a visiting medical student in the Department of Pathology at Massachusetts General Hospital in Boston and subsequently decided to pursue post-graduate training in the USA. She completed AP/CP residency at the Washington University School of Medicine and is currently one of the Hematopathology fellows. After completion of hemopathology fellowship in June 2022, Brooj plans to pursue fellowship training in Molecular and Genetic Pathology at Memorial Sloan Kettering Cancer Center, New York. Brooj enjoys swimming, hiking, sightseeing and traveling.

Lily Zhang, MD
Lily Zhang was born in Chongqing, China and raised in Rochester Hills, Michigan.  She earned her bachelor’s degree in Statistics and Neuroscience from the University of Michigan, where she also pursued research in synapse development within the CNS in the lab of Dr. Hisashi Umemori.  She then went on to earn her MD from Washington University in St. Louis and discovered a passion for pathology.  Lily has completed AP/CP residency at WashU and is currently a Hematopathology fellow.  In her free time, Lily enjoys spoiling her three cats, reading about history, and traveling with her husband.

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Laboratory Genetics and Genomics

Bahareh Adhamimojarad, PhD
Bahareh was born and raised in Iran. She completed her undergraduate and M.Sc. studies in Medical Biotechnology at the University of Tehran, Iran, and earned her Ph.D. degree in Molecular Genetics from the University of Toronto, Canada. Her PhD was focused on centrosome biology and ciliopathies. After her graduate studies, Bahareh completed a postdoctoral fellowship at the Hospital for Sick Children (SickKids) in Toronto, where she investigated the genetics of neurodevelopmental disorders using next-generation sequencing data. She is currently a fellow in Laboratory Genetics and Genomics at Washington University in St. Louis. In her spare time, Bahareh enjoys watching movies, trying new restaurants, and spending time with family and friends.

Ying-Chen (Claire) Hou, PhD
Ying-Chen (Claire) Hou was born and raised in Taiwan and moved to Vancouver Canada. She received her bachelor’s degree (Honors) in Molecular Biology and Biochemistry from Simon Fraser University. She went on to receive her Ph. D. degree in Genetics from the University of British Columbia. Claire later moved to San Diego to continue her post-doctoral fellowship. She received the Tobacco-Related Disease Research Program post-doctoral fellowship and San Diego Center for System Biology seed grant for her post-doctoral research. After the completion of her postdoc, Claire joined a startup that offers products focused on inherited cancer and pharmacogenomics. She later joined a startup where uses elective whole-genome sequencing and advanced non-invasive imaging for deep phenotyping and clinical assessment in adults. The most fulfilling moment for Claire is to analyze genomic data to assist in the clinical diagnosis of challenging adult cases where clinical presentations are nonspecific or genetic heterogeneity exists. Claire is currently a clinical fellow in Laboratory Genetics and Genomics at Washington University in St. Louis. In her free time, she enjoys traveling, hiking, and learning history.

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Liver/GI Pathology

Fahad Khan, MD
Fahad Khan was born in Pakistan and finished medical school in Karachi, after finishing the internship he started advanced residency training in Medical Oncology and was able to come to the US as a visiting trainee to work with Dr. Young Chae at the Developmental Therapeutics institute at Lurie Cancer Center. At Lurie, he developed stronger interests in translational sciences revolving around cancer biomarkers and companion diagnostics and therefore he decided to further his training in pathology. With a desire to develop an academic career researching on mucosal immunity, cancer genetics and immunology, Fahad has joined Wash U GI/Liver Pathology fellowship after finishing Anatomic and Clinical Pathology residency at Mount Sinai Health System in Manhattan, and has further plans to pursue molecular genetic pathology here at Wash U as well. Fahad is a member at large in the ASCP resident council where he is a member of the awards and honors subcommittee and also holds delegate appointment in the Resident and Fellow section of the American Medical Association. 

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Medical & Public Health Microbiology

Robert Potter, PhD
Robert Potter grew up in Orange County, California and received a BA in molecular biology from the University of California, Berkeley. He then completed a PhD in molecular microbiology from Washington University in St. Louis for work performed as a member of Gautam Dantas’s lab. His thesis research used genomic analysis to understand antibiotic resistance, taxonomy, and virulence in bacterial pathogens. Robert is currently a medical and public health microbiology fellow at Washington University School of Medicine. As a fellow, he is particularly interested in the application of metagenomic next-generation sequencing for infectious disease diagnosis and management. When not in the lab, Robert enjoys running through Forest Park, swimming in the millstone pool, and an extensive amount of baking/cooking.

Nicole Tarlton, PhD
Nicole Tarlton grew up in the Bay Area in California. She received a BS in Microbiology, and an MS in Microbiology and Molecular Biology, from San José State University. She earned her PhD in Infectious Diseases and Vaccinology at the University of California, Berkeley, where her research focused on the development of rapid diagnostic tests to detect antimicrobial-resistant Gram-negative bacteria that cause urinary tract infection and bloodstream infection. She is very passionate about antimicrobial-resistant bacteria, diagnostics, and improving patient care for infectious diseases, and is pursuing this passion as a Fellow in Medical and Public Health Microbiology at the Washington University School of Medicine in St. Louis, Missouri. Outside of work, Nicole loves to read science fiction and fantasy novels and play board and card games.

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Molecular Genetic Pathology

Ali Aldawood, MD
Ali was born and grew up in the eastern province of Saudi Arabia, and attended medical school at Dow Medical College in Pakistan. Ali soon began his medical career in earnest, working as a Senior House Officer at Armed Forces Hospital in his homeland. Still, being very ambitious, he decided to come to North America. During this period, he has been a Laboratory Research Fellow section of Pulmonary and Sleep Medicine at Tufts Medical Center, working in the area of medicine where he enjoyed basic cell culture techniques, Western blotting and PCR. He was also involved in working with experimental animals including Vim-ko transgenic mice and how that may affect p38 MAP kinase signaling pathway. In 2015, he matched to the Pathology Residency Training Program in the West Virginia University School of Medicine. Throughout residency, he realized that molecular techniques permeate all of anatomic and clinical pathology. He concluded Residency training at Morgantown in June 2019, as well as Cytopathology Fellowship at Allegheny Health Network in Pittsburgh June 2020; and Liver/GI Pathology Fellowship at Yale New Haven Hospital June 2021. In his personal time, he enjoys interacting with his kids (son and daughter). He also enjoys travel and, recently, exploring the St. Louis area.

Xi Zhang, MD, PhD
Xi Zhang was born in Shandong, China. He earned his medical degree from Zhejiang University School of Medicine. After medical school, he obtained his PhD degree in Cell Biology from Yale University. He completed AP/CP residency training at Montefiore Medical Center, Albert Einstein College of Medicine. He recently completed Hematopathology Fellowship at Cleveland Clinic. Outside of work, he enjoys playing badminton and basketball, writing poems and thinking about his research projects.

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Peng Cheng (Phil) Han, MD, PhD
Peng Cheng (Phil) Han graduated from AP/CP residency program in the Medical University of South Carolina. He is currently a Neuropathology clinical fellow and especially interested in the translational study of neurodegenerative diseases.

Lakshmi Ramachandran Nair, MD
Lakshmi was born and raised in Kerala, India. She obtained her bachelor’s degree in medicine and surgery from Government medical college Kottayam and is now a board-certified Anatomic and Clinical Pathologist from the University of Mississippi Medical Center. Outside of work she loves spending time with her kids (2 & 4-year-old), enjoys cooking and gardening with her husband and is into reading fiction and fantasy novels. ‘If you don’t have a smile, I’ll give you one of mine.’

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Pediatric Pathology

Yamin Ma, MD, PhD
Yamin Ma grew up in China and attended medical school at Shanxi Medical University. She moved to the US for her PhD training in Genetics. Upon completing this training, she finished her AP/CP residency training at Emory University. Yamin will go back to Emory for her second fellowship in Molecular Genetic Pathology. Yamin likes to walk in the park with her husband and two lovely daughters in her spare time and cook Chinese foods.

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Surgical Pathology

Erum Alhumood, MD
Erum was born in Michigan and raised in Saudi Arabia where she earned her M.B.B.S degree. During Pathology AP/CP residency training at George Washington University in Washington, D.C. she represented her department in national and international meetings such as CAP and USCAP. Also, she is a member of the ambassador program at USCAP. She is now pursuing a fellowship in surgical pathology at Washington University in St. Louis and she is aiming to get a fellowship in Hematopathology afterward. Outside of work, Erum enjoys spending quality time with her family, hanging out and exploring new places. She is a talented artist who loves drawing and photography. 

Xiaotang (Alison) Du, MD
Xiaotang Du was born and raised in Guangzhou, China, and received her medical degree at Sun Yat-Sen University Zhongshan School of Medicine. Prior to her residency, she worked as a research associate focused on infectious diseases at the University of California, San Francisco. Xiaotang completed her AP/CP residency training at the University of Texas Medical Branch and currently is a surgical pathology fellow at Washington University in St. Louis followed by a GI/Liver fellowship at Chicago. Outside of work, Xiaotang is a big fan of badminton and enjoys cooking, hiking, and planning her next trip to explore South America after the pandemic.

Dionne James, MD
Dionnee James was born and raised in St. George’s, Grenada where she also earned her medical degree at St. George’s University. She completed her AP/CP residency training at Rutgers Health, St. Barnabas Medical Center in New Jersey where she served as co-chief resident and was part of a volunteer team sent to the Medical examiner’s office in San Juan, Puerto Rico. Dionnee is currently pursuing further training as a selective surgical pathology fellow. Outside of work she enjoys traveling, hiking and playing the piano.

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