	Constance A. Griffin, M.D. Director of Cytogenetics Laboratory of the Johns Hopkins Medicial Institution Dr. Griffin is the Principal Investigator of MACGN. She is the director of the Johns Hopkins Familial Cancer Service and provides clinical attending services in the Colon Cancer Risk Assessment Service. She also directs the Pathology Cytogenetic Laboratory. Her research interests lie in chromosome abnormalities of solid tumors, especially adenocarcinoma of the pancreas, molecular cytogenetics, and developing use algorithms for molecular diagnostic tests in oncology.

	Deborah K. Armstrong, M.D. Associate Professor, Department of Oncology and Department of Gynecology and Obstetrics, Johns Hopkins School of Medicine Dr. Armstrong directs the Johns Hopkins Oncology Center's high dose chemotherapy/stem cell transplant program for breast cancer and ovarian cancer. She is a member of the National Comprehensive Cancer Network's Bone Marrow Transplantation Committee and has served as consultant to the Office of Research on Women's Health of the National Cancer Institute on scientific issues for women's health research. Her interests are in breast cancer and gynecologic malignancies.

	Francis M. Giardiello, M.D. Professor, Department of Medicine, Division of Gastroenterology, Johns Hopkins School of Medicine; joint appointment in the Department of Oncology, Johns Hopkins School of Medicine Dr. Giardiello serves as a consultant to MACGN providing expertise in inherited colorectal cancer syndromes and is the Director of the Johns Hopkins Hereditary Colorectal Cancer and Polyposis Clinic and Registry.

	Betty J. May, M.S., CCRP Research Project Coordinator, Mid-Atlantic Cancer Genetics Network, Johns Hopkins School of Medicine Ms. May oversees the daily operation of the Mid-Atlantic Cancer Genetics Network (MACGN) and is responsible for the recruitment, data collection, management and annual participant follow-up of the MACGN Core Registry. In addition, Ms May has served as study coordinator on the Prostate Cancer Gene Discover Project, Risk of Ovarian Cancer Algorithm (ROCA) Study and currently works on the Colon Cancer Sibling Pair Study.

	Sharon J. Olsen, M.S., R.N., A.O.C.N. Assistant Professor, Graduate Instruction, Johns Hopkins School of Nursing Ms. Olsen supervises the health education efforts of MACGN. She coordinates a primary care graduate nursing program and plans courses and curricula in oncology nursing. She has also developed a comprehensive, research-based, nurse-run cancer prevention and screening program. Her interests lie in cancer prevention and screening, health education, and professional and public outreach Internet based education.

	Ginny Deise, B.S. Research Data Manager/Programmer, Mid-Atlantic Cancer Genetics Network, Johns Hopkins School of Medicine Ms. Deise manages MACGN databases and leads data management activities. She provides systems analysis and advanced applications/software development, and is involved in developing a genetic cancer risk assessment system for health care providers. She also designs, implements, and maintains the MACGN website.

	Penny Spencer Administrative Assistant, Molecular Pathology Johns Hopkins School of Medicine Ms. Spencer oversees administrative issues and budgets related to the various research projects and MACGN Cancer Registry.

	Judy Bacon, B.S. , CCRP Project Coordinator, Mid-Atlantic Cancer Genetics Network, Johns Hopkins School of Medicine Ms. Bacon coordinates the Risk of Ovarian Cancer Algorithm (ROCA) Study, a pilot project sponsored by the National Cancer Institute. The study tests the value of longitudinal CA125 values to detect ovarian cancer in high-risk women. At the Breast and Ovarian Surveillance Service (BOSS), she recruits for the MACGN registry and ROCA Study.

	Kathyrn A. Lowe Office & Data Assistant, Mid-Atlantic Cancer Genetics Network, Johns Hopkins School of Medicine Ms. Lowe primarily supports the data entry and follow-up mailings associated with the Core MACGN Cancer Registry. Additionally, she assists with various on-going research studies in processing recruitment packets, patient tracking and data entry.

	Cheryl Pendergrass, MS Genetic Counselor and Research Study Coordinator, Mid-Atlantic Cancer Genetics Network, Johns Hopkins University, School of Medicine Ms. Pendergrass holds an MS in genetic counseling from the University of Maryland School of Medicine. Ms. Pendergrass works with The Johns Hopkins Colon Cancer Risk Assessment Service to provide counseling for individuals and families regarding a family history of cancer, the genetic testing options available, and the clients' questions and concerns. In addition, Ms. Pendergrass will coordinate the upcoming Renal Cell Carcinoma (RCC) Study sponsored by The National Cancer Institute, which focuses on the identificaiton of the susceptibility gene(s) for RCC. She also assists with the MACGN cancer registry recruitment.

To learn more about MACGN members or to contact one of them, call MACGN toll free at 1-877-880-6188 click here to send a message.