Lloyd Edwards, BA, MS, Ph.D. is Professor in the Department of Biostatistics, University of North Carolina at Chapel Hill and senior biostatistician associate for HERMES, LLC. Dr. Edwards designs and oversees the statistical components of research and sets standards for the application of statistical methods in a range of study designs. He directs the mathematical modeling of observational studies, estimation of effects from intervention research studies, estimation of meaningful rates and other parameters of interest from surveillance data, and estimation and testing of parameters from complex sample survey data. Dr. Edward is an expert in selecting and performing the appropriate biostatistical methods for any study question or data set.

Dr. Edwards received a bachelors' degree in Mathematics from Morehouse College in 1980, a masters in Mathematical Statistics from the University of Maryland in 1982, and a Ph.D. in Biostatistics in 1990 from UNC. He has an extensive background in collaborating with subject-specific researchers in a broad range of areas in biomedical research. He has been the principal investigator of research projects funded by the National Institute of Health, National Centers for Health Statistics, and private industrial organizations. His statistical research interests include mixed model theory and application, longitudinal data analysis, measurement error models, and the design and analysis of clinical trials. Dr. Edwards has published in peer-reviewed journals on modern statistical techniques for the analysis of longitudinal data and general linear mixed models.

David Franklin Coole, B.S., M.S., is a Biostatistics Associate at HERMES and assists with sample design, survey design, data quality, and analysis. Mr. Coole has expertise in SAS (Base, Stat, Macro, Connect, AF, FSP, Graph, SQL, Enterprise Guide, Enterprise Miner, Access, ODS), SPSS, and SUDAAN, as well as experience with EGRET, EPI-Info, Minitab and S-Plus. He has provided statistical and computer programming support to the CDC Immunization Safety Office and Office on Smoking and Health surveillance systems and programs, and the GHC Center for Health Studies to maintain the Breast Cancer Surveillance Program (BCSP) database. Mr. Coole also has performed analyses on large databases, including the National Health and Nutrition Examination Survey (NHANES).

Michael Cruze, BS, M.S, is HERMES' analytical specialist, with more than 15 years' experience in research data management, statistical analysis/reporting, and database information acquisition. He provides customer support for the creation and development of statistical programs for clinical trial and public health data. Mr. Cruze has expertise with numerous SAS products and table/listing/figure generation, analysis dataset specifications and creation, software and data QC and validation, macro programming and macro library documentation, application development, CDISC, Integrated Summary of Safety (ISS), Integrated Summary of Efficacy (ISE), PK/PD, and has worked with large healthcare and Medicaid claims databases. Mr. Cruze applies his knowledge of database design standards and database management systems and has developed numerous macros and additional programs necessary for accomplishment of assigned tasks.

David Langmeyer, Ph.D. received his Bachelor's degree from Brooklyn College and his Masters and doctoral degrees in Social Psychology from UNC Chapel Hill. Dr. Langmeyer joined HERMES in 2006 as a Research Associate and Programmer after a career spanning 40 years as a program evaluation and applied services research specialist in human services. He has extensive knowledge of monitoring and evaluation of programs and public health systems from working as an employee of State and County government and as a consultant to non-profits, and State, local and Federal agencies. At the State level, he was Director of Evaluation, Research and Client Data for the North Carolina Division of MH, DD and SA Services for over 12 years. He served eight years as Director of Outcome-Oriented Management in the Wake County (NC) Department of Human Services. Dr. Langmeyer maintained agency data sets concerning client data and provided reports from State and Federal data sets. As a consultant, he developed a capitation formula for NC Medicaid applied to Mecklenburg County utilizing the State Medicaid data base. He developed the Evaluation of NC Alternative Learning Programs surveys for every student enrolled, and information gathered on characteristics and performance in school for the NCSU Center for Urban Affairs and Community Services, under contract with the NC Department of Public Instruction. This involved conducting on site audits of a sample of alternative learning programs and creating three reports: 1) listing and characteristics of the ALPS's; 2) performance of students in the ALP's; 3) results of the visits As Research Associate on the proposed work, Dr. Langmeyer creates and maintains data sets and dictionaries, conducts statistical analyses, and produces summaries of results. He also provides assistance in developing data collection protocols and instruments under the direction of Dr. Laborde. Dr. Langmeyer provides valuable support in the evaluation of all our training interventions.

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