Marc Halushka, M.D., Ph.D.
Marc Halushka is the director of the TMA core facility. He is responsible for the overall direction and operation of the laboratory.
Alan Meeker, Ph.D.
Co-director, Immunohistochemistry Lab
Alan Meeker, Ph.D. Is the Director of the Immuohistochemistry Lab which also includes immunofluorescent and in situ studies. He is responsible for setting up and operation of the IHC lab. He will perform consults with clients to assess their needs and advise on providing services to meet the needs of the client. He will provide training and oversight to the IHC staining staff.
Toby Cornish M.D., Ph.D.
Co-director, Imaging Analysis
Toby Cornish is the primary pathologist responsible for the operation of the TMA imaging component of the TMA lab. Dr. Halushka also shares the responsibility of QA/QC of control tissues and assists core users with their imaging needs.
Angelo De Marzo, M.D., Ph.D.
Director - Emeritus
Angelo De Marzo, MD, PhD founded the TMA core facility and led it for a decade. He now serves as an advisor to the core.
Helen Fedor has over 25 years experience in research histology, lab management and supervision. Ms. Fedor is responsible for the overall technical management of the facility and is the direct supervisor of the laboratory. Ms. Fedor handles billing and monthly summaries of billing and is responsible for annual reports. Along with these tasks, Ms. Fedor is responsible for maintenance of all service contracts and equipment in the TMA lab. Ms. Fedor provides oversight and support to the staff and functioning of these areas, she meets with all users of the Core for consultations regarding TMA construction, design and data handling. She teaches new users to use the TMAJ Database to design arrays. Sets up users with Database access and permissions, provides support to TMA lab clientele. Manages and Supervises the TMA Lab personnel as well as performing administrative tasks. Collects control tissue to be used in Arrays.
Marcela ("Cellie") Southerland
Marcela ("Cellie") Southerland has over 40 years in research and clinical Histology, lab management and supervision. Ms. Southerland is responsible for receiving and registering blocks and circled slides, construction and sectioning of all TMAs, and sectioning of all TMAs. She also performs H&E staining and immunohistochemical staining for TMA quality control. Ms. Southerland is responsible for maintaining all TMA blocks and all TMA slides that have not been distributed to investigators, and for maintaining log books and recording database entries for all TMA slides.
Bonnie Gambichler has over 20 years in research and clinical histology. Ms Gambichler is resposible for the accessioning of histology projects into the lab. She performs grossing, embedding, sectioning and staining. She offers customers expert advice on the handling of their projects insuring that the highest standards may be met in servcing of these projects. In addition she does invoicing and ordering.
Kristen Lecksell has over 14 years experience in research, and 5 years experience in virtual microscopy. She is responsible for digitizing tissue on glass slides using The Aperio ScanScope CS to produce virtual microscopy images as well as backing up those images. She troubleshoots scanning hardware and software issues and also interacts with Aperio's Technical Support. She also schedules the yearly preventative maintenance and upgrades. She maintains detailed written and electronic data on the scanned material and administers Spectrum (http://www.aperio.com/pathology-services/spectrumplus-information-management.asp ) which is Aperio's integrated web-based digital pathology information management system. She also interacts with TMAJ (software that supports information and images related to Tissue Micro Arrays - see http://tmaj.pathology.jhmi.edu/#ABOUT) by importing composite TMA images into TMAJ, creating images projects for researchers, giving researchers the correct access to the applications and projects. Ms. Lecksell is a graduate of the Towson University and has a Bachelor of Science in biology.
Research Immunohistochemistry Specialist
Jessica Hicks has over 15 years in biomedical research, including 12 years performing immunohistochemistry and immunofluorescence protocol optimization and staining. She currently serves in an advisory role to the core.
Senior Research Immunohistochemistry Specialist
Karen Fox-Talbot has been performing immunohistochemistry for over 20 years. She recently has begun developing immunofluoresent and in situ hybridization staining methods. Karen is employed by the core facility on a part time basis to assist with the immunohistochemistry projects, particulary those eminating from the northern part of the hospital campus.
Muniza Uddin is the immunohistochemistry (IHC) laboratory technologist for the OTS facility. She received a M.S. degree in Pharmacology at Georgetown University. Muniza is responsible for conducting and optimizing various IHC stains on tissues, which includes chromogenic, fluorescent, and multiplex staining.
Andre Robinson got his start in histology working as an archivist at JHH in 2004. In 2007 he made the transition into the histology lab working as a histologist. He worked in several labs and has continued to enjoying learning all aspects of histology both in the clinical and research areas. Andre hopes to continue to grow in his knowledge and skills in grossing, embedding, sectioning and staining. He especially enjoys the research atmosphere of the lab.
Loretha is the OTS Core Labs newest team member and brings with her 20 plus years of research experience at Johns Hopkins University. She has experience in Histology, Microscopy, Immunohistochemistry, and Molecular Biology. Loretha is looking forward to making a valuable contributions to the clinical and research services that the Oncology Tissue Service Core provides.
Marie Francoise Quansah
Histology Specialist - Part Time
Since 2007 when she successfully completed the Histology Program at Harford Community College, Marie Francoise Quansah has been working as a Histology Technician. She also received a BSC in Laboratory Management in 2014 from the University of Maryland University College. Marie has been working hard in clinical and research and private laboratories. She has been actively trying to learn all she can about every aspect of histology and looks forward to interacting with the OTS staff to continue this endeavor.
Histology Specialist - Part Time
Aludra Laughlin is an eight year U.S. Navy veteran with over ¬¬25 years of histology experience. Thirteen years were spent in Surgical Pathology at Johns Hopkins Hospital, initially in histology, then assigned to grossing and frozen sectioning. After working for a private practice dermatology laboratory for the last few years, she is happy to once again be a part of the Johns Hopkins Pathology Department. Ms. Laughlin brings her histology expertise to assist with the heavy workload of the OTS Histology Lab on a part time basis.
Software Engineer, Consultant
Jim Morgan was the principal software developer for several of the core facility's software programs including TMAJ, which provides comprehensive tissue-microarray and specimen management, as well as Frida, which provides image-analysis. He currently serves as a technical consultant to the core.