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Statistician

Location:
McLean, Virginia, United States
Posted:
November 28, 2018

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Resume:

Weimin Zhang, PhD

McLean, VA • 571-***-**** • ac7s55@r.postjobfree.com • www.linkedin.com/in/WeiminZhang1

Summary

A seasoned statistician with extensive experience spanning biostatistics, big data/machine learning, medicine/military medicine, public health and assessment/program evaluation industries. Core competencies and skills include:

Study design, sample size estimation, implementation, analysis and reporting

SAS programming, validation, and data management. Procedures used include GLM, MIXED, FREQ, NPAR1WAY, LOGISTIC, PHREG, GEE, GENMOD, CATMOD, GLIMMIX

Statistical programming and data management under big data/machine learning environment

Supervised and unsupervised statistical/machine learning modeling

Statistical modelling: Score card, decision tree, gradient boosted, longitudinal, categorical, survival data analysis, hierarchical linear modeling (HLM), structural equation modeling (SEM), meta-analysis

Psychometric analysis: statistical calibration, scaling, equating based on classical and modern test theory, questionnaire validation

Survey sampling design and implementation

Power analysis for various studies

PROFESSIONAL EXPERIENCE

Becton, Dickinson and Company (Softpath System, LLC) 01/18 – Present

Statistician

Consult with clinical and project teams, plan and analyze clinical or non-clinical studies; Ensure statistically sound study designs. Prepare statistical analysis plans, randomization schedules and statistical analysis according to a statistical analysis plan. Program, document, and validate software code to execute data handling tasks, perform data analysis, and produce data visualization results. Prepare formal written reports/documents for distribution within and outside the organization.

Research studies include longitudinal research study for BD Onclarity HPV Assay, BD Onclarity HPV Assay with PreservCyt Solution, BD Onclarity HPV Assay for China. The Bard VENOVO venous stent study, Bard LIFESTREAM balloon expandable vascular covert stent study.

Pitney Bowes Software, Lanham, MD 40Hour/week 05/2016 – 11/2017

Software Engineer-Statistician

Participated in developing Pitney Bowes’ Customer Information Management line of business Analytics module, a fast and scalable big data/machine learning software for smarter applications. Applied statistical algorithms towards solving complex business solutions. Mentored other team members around statistical methods and algorithms. Contributed to the functional implementation and quality assurance of new algorithms. Algorithm implemented: generalized linear model, distributed random forest, k-means clustering, principle component analysis and binning.

Samueli Institute, Alexandria, VA 40Hour/week 09/2010 – 05/2016

Biostatistician

Provide statistical support in the study design and statistical analyses for projects of basic science, clinical studies with standard multi-arm designs, more complex clinical trials, program evaluation and surveys of various sizes

Designed plans and executed research studies for more than 40 projects of multimillion DoD military medicine research programs. Research studies include clinical trial, program evaluation, meta-analysis, survey data analysis, sample size and power calculations, individual patient outcomes, utilization, and quality of care data analysis

Co-authored and presented more than 20 peer review manuscripts and presentations at conferences

Co-authored over 50 confidential technical documents such as statistical analysis plans (SAPs), statistical analysis reports (SARs) or other government agency submission documents

JBS international Ins., North Bethesda, MD 40Hour/week 01/10 – 06/10

Senior Statistician

Provide statistical support for all research related activities

Incorporate appropriate Response Theory(IRT) analyses, mixture growth modeling methods for study design of testing cognitive support technology predisposition assessment tool

Engage in statistical methodology research in principle stratification mediation area to analyze substance abuse prevention randomized field trial data

Provide growth curve modeling analysis to support appropriate national performance measures for State child welfare systems research project

American Institutes for Research (AIR), Washington, DC 40Hour/week 01/2007 – 10/2009

Operational Psychometrician/Statistician

Provided statistical support for Ohio state 3-12 grade students testing programs in the areas of calibration, scaling, equating, statistical sampling and score reporting. Performed Item Response Theory (IRT) analyses, Hierarchical Linear Modeling (HLM), Structural Equation Modeling (SEM), cheating analysis on Ohio state’s assessment data

Implemented the analysis plan and quality assurance activities, drafted sections of technical reports, and supported standard-setting and validity studies. As a team member, provided accurate student score reports for Ohio state’s 700,000 students population

Performed sampling plans such that the drawn sample precisely matched the demographic distribution of the 700,000 students population

Department of Health Policy and Management 20Hour/week 06/2005 - 07/2006 Texas A&M Health Science Center School of Rural Public Health, College Station, TX

Research Assistant

Analyzed primary care video survey data using longitudinal data analysis, categorical data analysis and survival data analysis methods. One published paper was awarded Article of the Year Award by AcademyHealth, Washington DC in 2008.

Department of Computer Science, Texas A&M University, College Station, TX20Hour/week09/02 - 05/05

Research Assistant

Designed spatial models to image data, estimated model parameters using MCMC methods, developed data mining algorithm to perform image segmentation, image restoration. Applied pattern recognition methods including discriminate analysis, neural network, support vector machine, change point detection to image analysis projects. Generated first author top tier journal article and book chapters.

Business Office, College of Architecture, Texas A&M University, College Station, TX 20Hour/week 01/02 - 09/02

Database Developer & Administrator

Developed Accounting Database multi-user system under Windows NT system using Microsoft Access and Visual Basic

Department of Statistics, Texas A & M University, College Station, TX 20Hour/week 05/2001 –01/ 2002

Java Programmer

Wrote Java applets for use with the courses in statistics for approximately 5000 undergraduates enrolled per academic year. Developed and tested Java library programs for the Department of Statistics. Applets can be found at http://w1.stat.tamu.edu/stat30x/jhardin/applets/

SPECIFIC SKILL AREAS

Statistical Software: SAS, Splus/R, Matlab, Stata, Mplus, Winsteps

Operating System: Microsoft Windows, Linux, UNIX

Programming Language: Java, C, C#, Visual Basic, Oracle SQL, FoxPro

Software Application: Microsoft Office

EDUCATION

Ph.D. -- Statistics, Texas A & M University 07/2006

Dissertation Title: Topics in Multiphoton Laser Scanning Microscopy (MPLSM) Image Analysis

M.S. -- Statistics, Texas A & M University 01/2003

B.S. -- Engineering, Nanchang Military Academy, Nanchang, P.R.China

HONORS AND AWARDS

First Place of 2015 MHSRS Poster Awards, Military Health System Research Symposium, Lauderdale, FL, 2015

Article of the Year Award, AcademyHealth, Washington DC, 2008

PROFESSIONAL AFFILIATIONS

American Statistical Association

PUBLICATIONS

Journal articles

Jonas, W., Bellanti D., Paat, C., Boyd, C., Duncan, A., Price, A., Zhang, W., French, L., Chae, H.,(2016) Randomized Exploratory Study to Evaluate Two Acupuncture Methods for the Treatment of Headaches Associated with Traumatic Brain Injury (Accepted by Medical Acupuncture)

Libretto, S., Hilton, L., Gordon S., Zhang W., Wesch J. (2015) Effects of Integrative PTSD Treatment in a Military Health Setting. Energy Psychology: Theory, Research, and Treatment, 7, 33-44

Crawford C, Boyd C, Paat C, Price A, Xenakis L, Yang E, Zhang W & the EMT Working Group, (2016) The Impact of Massage Therapy on Function in Pain Populations – A Systematic Review and Meta-analysis of Randomized Controlled Trials: Part I, Patients Experiencing Pain in the General Population. Pain Medicine. doi: 10.1093/pm/pnw099.

Boyd C, Crawford C, Paat C, Price A, Xenakis L, Zhang W & the EMT Working Group, (2016) The Impact of Massage Therapy on Function in Pain Populations – A Systematic Review and Meta-analysis of Randomized Controlled Trials: Part II, Cancer Pain Populations. Pain Medicine. doi: 10.1093/pm/pnw100.

Boyd C, Crawford C, Paat C, Price A, Xenakis L, Zhang W & the EMT Working Group, (2016) The Impact of Massage Therapy on Function in Pain Populations – A Systematic Review and Meta-analysis of Randomized Controlled Trials: Part III, Surgical Pain Populations. Pain Medicine. doi: 10.1093/pm/pnw101

Tai-Seale M, Zhang W. Do Patients With Multiple Chronic Conditions Experience the Same Care as Patients With Fewer Chronic Illnesses? Insights from Videos of Primary Care Office Visits. J Patient-Centered Res Rev. 2015; 2:100. http://dx.doi.org/10.17294/2330-0698.1104

Eisenberg, D., Massa, J., Righter, A., Matthews, B., Zhang, W., Willet, W., (2015) Teaching Kitchen and Self-Care Curriculum: A Pilot Study in a Workplace Setting (Submitted)

Delgado, R., Khorsan, R., Xenakis, L., Lee, C., Elfenbaum, P., Hilton, L., Libretto, S., Wallerstedt, D., Zhang, W. (2014) Mixed Methods Evaluation of a Military Resilience Training Program(Submitted)

Tai-Seale M, Zhang W. Do Patients With Multiple Chronic Conditions Experience the Same Care as Patients With Fewer Chronic Illnesses? Insights From Videos of Primary Care Office Visits. J Patient-Centered Res Rev. 2015;2:100. http://dx.doi.org/10.17294/2330-0698.1104

Jonas, W. B., Welton, R., Delgado, R., Gordon, S., Zhang, W. Schoomaker, E.(2014) CAM in the United States Military: Too Much of a Good Thing? Medical Care. 52 Suppl 5, Building the Evidence Base for Complementary and Integrative Medicine Use among Veterans and Military Personnel: S9-S12.

Libretto, S., Gordon, S., Hilton, L.G., Lee, C., Zhang, W., McConnell, K., Wesch, J. (2014) Evaluation of an integrative PTSD treatment program for active duty service members Journal of alternative and complementary medicine (New York, N.Y.) 20 (5)

Najm, W., Chez, R., Jonas, W., Zhang, W. (2012) Optimal healing environment in a continuing care retirement community: a feasibility study BMC Complementary and Alternative Medicine 12(1).

Tai-Seale, M., Stults, C., Zhang, W., Shumway, M.(2011) Expressing Uncertainty During Older Patient-Physician Interactions: What Matters? Patient Education and Counseling 86 (3), 322-328

Tai-Seale, T., Tai-Seale, M., Zhang, W. (2008). Weight counseling for elderly patients in primary care: How often and how much time Journal of Health and Human Services Administration 30(4), 420-440.

Tai-Seale, M., McGuire, T. G., Zhang, W. (2007). Time allocation in primary care office visits Health Services Research 42, 1871-1894. Article of the Year Award, AcademyHealth, Washington DC, 2008.

Zhang, W., McIntosh, A.L., Xu, H., Wu, D., Gruninger, T., Atshaves, B, Liu, J.C., and Schroeder, F. (2005). Structural analysis of sterol distributions in the plasma membrane of living cells. Biochemistry 44, 2864–2884.

Book Chapter

McIntosh, A.L., Atshaves, B., Huang, H., Gallegos, A.M., Kier, A.B., Schroeder, F., Xu, H., Zhang, W. Wang, S. and Liu, J.C. (2007). Lipid Rafts. Totowa, NJ. Humana Press.

Presentations

Paat C., Libretto S., McConnell K., Stoerkel E., Bellanti D., Zhang W., and Edwards C. (2016, November) Teaching Kitchen Program for Sustainable Behavior Change in Our Military: A Pilot Study. Poster presented at Association of Military Surgeons of the United States (AMSUS) Annual Meeting, National Harbor, MD.

Crawford C, Boyd C, Paat C, Price A, Xenakis L, Yang E, Zhang W and the Evidence for Massage Therapy Working Group. (2016, May). The Impact of Massage Therapy on Function in Pain Populations: A Systematic Review and Meta-Analysis of Randomized Controlled Trials and Recommendations for the Field. Poster session presented at the International Congress on Integrative Medicine and Health, Las Vegas, NV.

Zhang, W., Libretto, S., Psychometric properties of Post-traumatic Growth Inventory in a sample of military active duty service members Presented at Joint Statistical Meetings, 2015, Seattle, WA.

Libretto, S, Gordon, S., Hilton, L, Boyd, C., Zhang, W, McConnell, K., Evaluation of an Integrative PTSD Treatment Program for Active Duty Service Members Poster presentation at Military Health System Research Symposium, 2015, Lauderdale, FL. First Place of 2015 MHSRS Poster Awards

Zhang, W., Libretto, S., Lee, C.(2014, August) Psychometric properties of Connor-Davidson Resilience Scale in a sample of military active duty service members. Presented at Joint Statistical Meetings, 2014, Boston, MA.

Libretto, S. and Zhang, W. Psychometric properties of Connor-Davidson Resilience Scale in a sample of military active duty service members Poster presentation during the 142nd APHA Annual Meeting and Exposition (2014), New Orleans,LA

Delgado, R., Welton, R., Gordon, S., Petri, R., Zhang, W. (2014, May) Survey of Complementary and Alternative Medicine Services within the Department Of Defense: Prevalence, Attitudes and Beliefs Presented at the 2014 International Research Congress on Integrative Medicine and Health, Miami, Florida, USA

Zhang, W., Libretto, S., Gordon, S. (2013, August) Evaluation of an Integrative PTSD Treatment Program: Who benefits the most? Presented at Joint Statistical Meetings, 2013, Montreal, Quebec, Canada

Zhang, W., Libretto, S., Lee, C., Walter, J., Wallerstedt, D.(2012, August) Evaluation of a Resilience Training Program: Modeling Targeted Mediator and Health-Related Outcomes Presented at Joint Statistical Meetings, 2012, San Diego, CA

Libretto, S, Hilton, L, Lee, C, Zhang, W, Wallerstedt, D, Walter, J, Terrio, H. Program Evaluation of a Resilience Training Program: Results on Knowledge, Beliefs, Attitudes, and Satisfaction. American Public Health Association Annual Meeting, Washington, DC, October 31, 2011.

Zhang, W., Libretto, S., Lee, C., Walter, J., Wallerstedt, D.(2011, August) Evaluation of Resilience Training Program: The Influence on Service Members’ Deployment-related Health Outcomes, Presented at Joint Statistical Meetings, Miami, FL

Tai-Seale, M, Zhang, W. (2011, June) Do Multimorbidity Patients Experience the Same Care as Patients with Fewer Chronic Illnesses: Insights from Videos of Primary Care Office Visits, AcademyHealth 2011 Annual Research Meeting, Seattle, WA.

Libretto, S., Lee, C., Walter, J., Zhang, W., Wallerstedt, D., Terrio, H.(2011, March) Evaluation of resilience training program: Preliminary results on knowledge, beliefs, attitudes, and satisfaction, Presented at Armed Forces Public Health Conference, Hampton, VA

Zhang, W. and Jiang, T. (2009, August) On the Topic of Assessment Cheating Detection. Presented at Joint Statistical Meetings, Washington. DC.

Zhang, W. (2006, August) Image analysis by spatial point process modeling for small area data. Presented at Joint Statistical Meetings, Seattle, WA.

Zhang, W. (2006, November) Do we stop promoting health with older Americans? Analyzing older patient-physician discussion of weight loss. Presented at the 134th meeting of American Public Health Association, Boston, MA.

Zhang, W. (2005, August). Spatial statistical analysis of PM sterol distribution. Presented at Joint Statistical Meetings, Minneapolis, MN.

Zhang, W. (2004, August) Segment of plasma membrane and spatial statistical analysis of PM stero distribution. Presented at Joint Statistical Meetings, Toronto, Canada.



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