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Meet Our Team

Clinical Faculty

Clinical Staff

Jennifer Cedeno, M.S.
  • Jennifer Cedeno has been a Genetic Assistant at Johns Hopkins University for over 10 years. Jen was the first Genetic Counselor Assistant at Johns Hopkins and paved the way for the additional GCA positions over the last few years. The first part of her career was spent in the DNA Diagnostic Laboratory, the University’s clinical genetic testing lab. After 10 years in this position, Jen transitioned into a clinical role within the Institute of Genetic Medicine where she works with eight genetic counselors and twelve medical geneticists. Jen has an undergraduate double major in Biology and Marine Science with a minor in Chemistry from University of Miami, and a Master’s degree in Environmental Science and Policy from Johns Hopkins University.
Katie Kashmer, PA

 

Celide Koerner, M.S., R.N.
  • Celide Barnes Koerner is a senior research nurse and program coordinator with the Johns Hopkins Department of Genetic Medicine, with over 35 years of clinical experience treating children and adults with inborn errors of metabolism. She holds a master’s degree in nutrition from Tufts University, which was combined with a clinical internship at the Frances Stern Nutrition Center. She later completed her Bachelor of Science degree in nursing from The Johns Hopkins University. Her area of special interest is maternal phenylketonuria.
  • Martino T, Koerner C, Yenokyan G, Hoover-Fong J, Hamosh A. Maternal hyperphenylalaninemia: rapid achievement of metabolic control predicts overall control throughout pregnancy.
Kira Lurman, R.N.
  • Kira Lurman is a clinical and research nurse in the Greenberg Center for Skeletal Dysplasia. Continue reading bio.
Angela Pipitone, R.D, L.D.N., C.N.S.C.
  • Angela Pipitone Dempsey is a registered dietitian with the Johns Hopkins Department of Genetic Medicine, specializing in medical nutrition therapy for inborn errors of metabolism. She holds a bachelor’s degree from the University of Delaware with a major in dietetics and a minor in psychology. She went on to complete her dietetic internship with a clinical focus at Johns Hopkins Bayview Medical Center in Baltimore, Maryland. She is board certified in nutrition support, an active member of Genetic Metabolic Dietitians International and serves as a medical advisor for Homocystinuria Network America.
  • Kim AY, Hughes JJ, Pipitone Dempsey A, et al. Pitfalls in the Diagnosis of Hereditary Fructose Intolerance.
  • Pipitone A, Ayoubieh H, Kim AY, Gunay-Aygun M. Rapid infant weight gain linked to compounded L-arginine for citrullinemia type 1.
  • Pipitone A, Raval D, Duis, J, Vernon H, Martin R, Hamosh A, Valle D, and Gunay-Aygun M. The management of pregnancy and delivery in 3-Hydroxy-3-Methylglutaryl-CoA Lyase deficiency.

Genetic Counselors

Carolyn Applegate, M.G.C., C.G.C.
Jackie Francis, M.G.C., C.G.C.
  • Jacquelyn Britton is a certified genetic counselor at Johns Hopkins University.  She is the primary genetic counselor for the Epigenetics & Chromatin clinic, which evaluates and cares for patients with Mendelian disorders of the epigenetic machinery (such as Kabuki syndrome, Sotos syndrome, and others), as well patients with “classical” epigenetic disorders (such as Beckwith-Wiedemann syndrome, Prader-Willi syndrome, and others).  Jackie has worked with many patients and families with these syndromes, providing information and support regarding genetic testing and results, features of the condition, and recurrence risks and reproductive testing options.  She enjoys seeing patients come back to clinic over the years and hopes to help families continually adapt to new and changing circumstances.  Jackie also is the primary genetic counselor for a busy Genetics inpatient service, participating in evaluations for hospitalized patients in Neonatal ICU, Pediatric ICU, and other pediatric and adult units.  She obtained a Bachelor of Science in Biology with concentration in Cellular and Molecular Biology from Loyola College in Maryland, followed by a Master’s in Genetic Counseling from University of Maryland School of Medicine in 2009.  Prior to returning to Baltimore in 2014, Jackie provided genetic counseling to diverse patient populations in pediatric, prenatal, and cancer clinic settings in Pennsylvania and Louisiana.
  • Peroutka C, Salas J, Britton JF, Bishop J, Kratz L, Gilmore MM, Fahrner JA, Golden WC, Wang T. Severe neonatal manifestations of infantile liver failure syndrome type 1 caused by cytosolic leucine-tRNA synthetase deficiency.
  • Lee-Barber J, English TE, Britton JF, Sobreira N, Goldstein J, Valle D, Bjornsson HT.  Apparent Acetaminophen toxicity in a patient with transaldolase deficiency.
  • Bishop J, Britton JF, Murphy A, Sule S, Mithcell S, Takemoto C, Collaco J, Karnsakul W, Cuffari C, Dietz E, Bodurtha J. Juvenile idiopathic arthritis associated with combined JP-HHT syndrome:  A novel phenotype associated with a novel variant in SMAD4.
Kelsey Guthrie, M.G.C., C.G.C.
  • Kelsey Guthrie is a certified genetic counselor who works in the Department of Genetic Medicine at Johns Hopkins in Baltimore, MD. She provides genetic counseling to pediatric and adult patients and their families in the Metabolic Genetics Clinic and the General Genetics Clinic. She has expertise in metabolic disorders, general genetics, and Hereditary Hemorrhagic Telangiectasia. She graduated from University of Maryland Baltimore genetic counseling program in May 2017 and went to the University of Maryland for her undergraduate degree, majoring in secondary education and biology.  Her interests include education of students of all levels and general education and outreach to the community, and she is a member of multiple professional organizations.
  • Latif MA, Sobreira NLD, Guthrie KS, Motaghi M, Robinson GM, Shafaat O, Gong AJ, Weiss CR. Clinical and molecular characterization of patients with hereditary hemorrhagic telangiectasia: Experience from an HHT Center of Excellence.
Gretchen MacCarrick, M.S., C.G.C.
Weiyi Mu, Sc.M., C.G.C.
Christy Smith, Sc.M., C.G.C.
Krista Sondergaard, M.S., C.G.C.
Karen Raraigh, M.G.C., C.G.C.
  • Karen Raraigh is a certified genetic counselor in the Department of Genetic Medicine at Johns Hopkins, where she researches cystic fibrosis (CF) and related conditions. Her primary areas of focus are on curation of the Clinical and Functional TRanslation of CFTR (CFTR2) dataset and project, genotype-phenotype correlation for CFTR variants, communication of genetic information, and engagement of genetic counselors within the CF community. Karen is the founder of the CF Genetics Education Service, which provides members of the CF provider, patient, and research communities access to educational information about and variant interpretation of specific CFTR variants. She has been funded by the US CF Foundation to investigate the role of genetic counselors in the CF clinic and on the CF care team. Karen is both the current and a former chair of the Genetic Counselors’ Consortium within Johns Hopkins and led the CF Special Interest Group within the National Society of Genetic Counselors from 2014-2016. Prior to her work at Johns Hopkins, Karen spent two years working in general pediatrics at Nationwide Children’s Hospital in Columbus, OH and a year conducting a research project within an adult cystic fibrosis population in Dublin, Ireland under the auspices of a US Department of State Fulbright grant. She received her Master’s in Genetic Counseling from the University of Maryland School of Medicine in 2008.
  • Raraigh KS, Han ST, Davis E, Evans TA, Pellicore MJ, McCague AF, Joynt AT, Lu Z, Atalar M, Sharma N, Sheridan MB, Sosnay PR, Cutting GR. Functional assays are essential for the interpretation of missense variants associated with variable expressivity.
  • Sosnay PR, Siklosi KR, Van Goor F, Kaniecki K, et al. Defining the disease liability of variants in the cystic fibrosis transmembrane conductance regulator gene.
  • Langfelder-Schwind E, Raraigh KS, Parad R. Practice variation of genetic counselor engagement in cystic fibrosis newborn screen-positive diagnostic resolution.

Management & Staff

  • Felicia Easley, Senior Medical Office Coordinator
  • Colleen Gioffreda, Senior Program Coordinator
  • Dana Goins, Clinic Manager
  • Brooklyn Khoury, MBA, Department Administrator
  • Dora Knight, Sr. Medical Office Coordinator
  • Jessica Weddle, Medical Office Coordinator