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Faculty and Staff

Lisa Maragakis, M.D., M.P.H., FSHEA, assistant professor in infectious diseases and epidemiology at The Johns Hopkins University, is the Hospital Epidemiologist and Director of the Department of Hospital Epidemiology and Infection Control (HEIC) at the Johns Hopkins Hospital. In this role, she is responsible for the conceptualization, planning, implementation, and development of the hospital’s infection control and prevention program.  Her research interests are the epidemiology, prevention and control of healthcare-acquired infections and antimicrobial-resistant gram negative bacilli.  Dr. Maragakis serves as a Councilor on the Board of Directors of the Society for Healthcare Epidemiology of America (SHEA).

Email: lmaraga1@jhmi.edu

Polly Trexler, M.S., C.I.C., infection control practitioner and epidemiologist, is the Associate Director of the Department of Hospital Epidemiology and Infection Control (HEIC) at the Johns Hopkins Hospital. In this role, she is responsible for the oversight of HEIC operations, coordination and supervision of the Infection Control Epidemiologists, and management of the daily operations of the HEIC department.
Email: ptrexle1@jhmi.edu

Sara Cosgrove, M.D., M.S., FSHEA, FIDSA, associate professor of medicine and epidemiology at Johns Hopkins University, is an infectious diseases physician, Director of the Antimicrobial Stewardship Program and Associate Hospital Epidemiologist at The Johns Hopkins Hospital. She is responsible for oversight of antibiotic use at hospital and assists the hospital epidemiologist with the functions of the HEIC department.  Dr. Cosgrove’s research interests include epidemiology and outcomes of antimicrobial resistance, development of tools and programs to promote rational use of antimicrobials, prevention of hospital-acquired infections and epidemiology and management of S. aureus bacteremia. She currently serves as Secretary on the SHEA Board of Directors and is the Chair of SHEA’s Antimicrobial Stewardship Taskforce.department.
Email: scosgro1@jhmi.edu

Aaron Milstone, M.D., M.H.S., assistant professor of pediatrics and epidemiology at The Johns Hopkins University, is an infectious disease consultant and Associate Hospital Epidemiologist at The Johns Hopkins Hospital.  His research interests focus on prevention of hospital-acquired infections (HAIs) and emergence of antibiotic resistance in children. His studies are helping to define prevalence and transmission of multidrug-resistant bacteria in hospitalized children and identify interventions to reduce their spread and prevent HAIs, and to understand the epidemiology and prevention of bloodstream infections in children.
Email: amilsto1@jhmi.edu

Pranita Tamma, M.D., M.H.S., instructor of pediatrics at The Johns Hopkins University School of Medicine, is an infectious disease consultant and collaborates with both the hospital epidemiologist and the director of antimicrobial stewardship at The Johns Hopkins Hospital.  Her research interests are improving antimicrobial use among children and prevention of healthcare-associated infections. Dr. Tamma is leading the hospital's ventilator-associated pneumonia prevention efforts. She is also heading pediatric antimicrobial stewardship efforts at Johns Hopkins Hospital which consists of actively educating prescribers about optimizing selection, route, dose, interval, and frequency of antibiotics, developing guidelines to guide appropriate and judicious use of antibiotics, and monitoring patient outcomes after implementation of these practices.
Email: ptamma1@jhmi.edu

Senior Infection Control Practitioners/Epidemiologists
The Senior Infection Control Practitioners collaborate with the director and associate director of HEIC to oversee departmental operations; mentor and support departmental staff;  plan, lead and implement the infection control program for their areas of responsibility; evaluate policies, procedures and practices relating to infection control; develop web-based educational materials; investigate clusters and outbreaks; monitor healthcare-associated infection rates and produce summary reports; and lead collaborative interventions to prevent healthcare-associated infections.

         Donna Fellerman, RN, CIC - dfeller2@jhmi.edu

         Alicia Budd, MPH,CIC - abudd3@jhmi.edu

         Patricia Lawson, RN,MS,MPH,CIC - plawson2@jhmi.edu

Infection Control Practitioners/Epidemiologists
The Infection Control Practitioners plan, lead and implement the infection control program for their areas of responsibility; evaluate policies, procedures and practices relating to infection control; develop web-based educational materials; investigate clusters and outbreaks; monitor healthcare-associated infection rates and produce summary reports; and lead collaborative interventions to prevent healthcare-associated infections.

         Anne Caston-Gaa, RN, MSN, MPH - acaston2@jhmi.edu

         Amy Winkler, RN, MPH, CIC - awinkle4@jhmi.edu

         Bria Graham, MPH - bgraham9@jhmi.edu

         Chelsea  Lynch, RN, MSN, MPH - clynch19@jhmi.edu

         Jackie Galluzzo, RN, BSN, CIC - jackie@jhmi.edu

         Julee Frances, RN, MPH - jfranc28@jhmi.edu

         Julia Gardner, RN, CIC - jgardn26@jhmi.edu

         Latoya Forrester, MPH - latoya.forrester@jhmi.edu

         Malorie Givan, MPH - mgivan1@jhmi.edu

         Melanie Curless, RN, MPH - mcurles1@jhmi.edu

         Melanie Gavin, CIC - mgavin4@jhmi.edu

         Meredith Black, MPH - mblack20@jhmi.edu

Vidhya Gunaseelan, M.S., M.H.A, is the Biostatistician and Data Manager for the department. In this role, she participates in making strategic data-related decisions by sourcing, analyzing, validating, internally managing and reporting high quality and often complex data to detect, quantify and prevent healthcare-acquired infections and track antimicrobial use and antimicrobial resistance in The Johns Hopkins Hospital.  She defines and directs the data management workflow for assigned projects, ensuring all necessary data quality control measures are in place and serves as the data management expert. She assists research efforts by providing statistical support, directs the creation and management of new database systems and implements reporting and quality assurance activities.
Email: vgunase1@jhmi.edu

Elena Staicu is the Financial Analyst and Project Manager for the department.  In this role, she works with faculty and administrative staff in the compilation and management of financial information, budgets, grants, and contracts.  She also manages diverse departmental projects and supports the JHH Department of Hospital Epidemiology and Infection Control and the Antimicrobial Stewardship Program in data collection, analysis, and data management.
Email: estaicu1@jhmi.edu

Debbie McKeown is the Project Coordinator for the department. In this role, she assists the faculty and staff and coordinates a variety of departmental projects, activities and schedules for the infection control professionals and other staff in the department.
Email: dmckeow2@jhmi.edu 

Valerie Finney is the Hand Hygiene Compliance Coordinator for the department.  In this role, she monitors compliance with hand hygiene policies in the hospital, provides direct feedback and education to hospital personnel regarding hand hygiene processes, and supports departmental projects and activities.
Email: vfinney1@jhmi.edu

John F. Keenan, M.D., is a Research Assistant for the department. In this role, he supports research activities through the collection and analysis of research data. He works with faculty and stuff of the Department of Hospital Epidemiology and Infection Control and the  Antimicrobial Stewardship Program at the Johns Hopkins Hospital to apply research findings to support the mission of the department.
Email: sqian4@jhmi.edu

Tracy Ross, MT is the Molecular Microbiology and Epidemiology Laboratory Specialist.  In this role, she conducts and supports laboratory functions related to infection control, performs molecular typing of pathogens, and supports the investigative and research activities of the Department of Hospital Epidemiology and Infection Control and the Antimicrobial Stewardship Program at the Johns Hopkins Hospital.
Email: tross@jmhi.edu 

 

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