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Faculty and Staff

Lisa Maragakis, M.D., M.P.H., FSHEA, FIDSA, associate 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 member of the Healthcare Infection Control Practices Advisory Committee (HICPAC) for the Centers for Disease Control and Prevention. Email: lmaraga1@jhmi.edu

Polly Trexler, M.S., C.I.C., infection control practitioner and epidemiologist, is the Director of Operations for 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

Melanie Curless, M.S.P.H, R.N., C.I.C., infection control practitioner and epidemiologist, is the Assistant Director of Operations for 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 at the Johns Hopkins Hospital. Email: mcurles1@jhmi.edu

Aaron Milstone, M.D., M.H.S., FSHEA, associate 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

Clare Rock M.D., M.S. is the Assistant Professor of medicine, Division of Infectious Diseases at the Johns Hopkins University School of Medicine, core faculty at Armstrong Institute for Patient Safety and Quality, and Associate Hospital Epidemiologist at The Johns Hopkins Hospital. Dr. Rock research expertise is healthcare environmental hygiene and mitigating the role that environmental transmission plays in acquisition of multidrug-resistant organisms. With CDC funding, she applies human factors, systems engineering and other novel approaches to enhance current hospital environmental hygiene practices. She speaks nationally and internationally on this and other infection prevention related topics. Dr. Rock co-leads the Maryland Statewide Prevention And Reduction of Clostridioides difficile (SPARC) collaborative, where she assesses and advises hospitals on environmental cleaning practices, and other C. difficile prevention strategies.  Dr. Rock is principal investigator of the Johns Hopkins 2018-2020 CDC Prevention Epicenter grant using innovative approaches to improve appropriate C. difficile testing. She is Vice Chair of Society for Healthcare Epidemiology of America (SHEA) Research Network, serves on SHEA research committee and as research director for High Value Practice Academic Alliance. You can follow Dr. Rock on Twitter @ClareRock1, or contact via Email Clare.Rock@jhmi.eduBibliography: https://www.ncbi.nlm.nih.gov/labs/bibliography/1TaI-0cNSWBA3/bibliography/public/

Sara Cosgrove, M.D., M.S., FSHEAFIDSA, 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

Valeria Fabre, M.D., assistant professor of medicine for the Division of Infectious Diseases at the Johns Hopkins University School of Medicine and Associate Hospital Epidemiologist at the Johns Hopkins Hospital. Email: mfabre1@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.

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.

Infection Control Associate

Infection Control Assistant

Data Analysts

Adina Ivanica, M.S. Computer Science, is the Senior Business Intelligence Analyst for the department In this role, Adina 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 in The Johns Hopkins Hospital.  She is ensuring all necessary data quality control measures are in place and serves as the data management expert. Email: aivanic1@jhmi.edu

Avinash Gadala, M.S., B.Pharma is the Clinical Analytics Systems Architect for the department. In this role, he 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 in The Johns Hopkins Hospital and Johns Hopkins Health System. He 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. He assists research efforts by providing statistical support, directs the creation and management of new database systems and implements reporting and quality assurance activities. Email: agadala1@jhmi.edu

Administrative, Financial and Project Coordinators

Debbie McKeown is the Administrative 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

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 Department of Hospital Epidemiology and Infection Control and the Antimicrobial Stewardship Program in data collection, analysis and data management  at The Johns Hopkins Hospital. Email: estaicu1@jhmi.edu

Melissa Dudley M.P.H. is the Project Administrator for the department. In this role, she manages and supports a variety of departmental projects. Email: mdudley7@jhmi.edu

Hand Hygiene Compliance Coordinator

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

Technical Lab Specialist

Tracy Ross, M.T. 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

Research