Our Team

Stat4ward promotes individual excellence and self-fulfillment through career success. We pride ourselves with a strong culture for professional growth via mentoring, leadership opportunities, and more importantly, exposure to a wide variety of exciting projects from different clients.

Chief Executive Officer, MS

Adeline Yeo

Ms. Yeo received her Master’s degree in Biostatistics. She has 20 years of experience supporting phase I-II trials in a variety of therapeutic areas, with most experience in Oncology. Over the years, she has been a statistics consultant for large pharmaceuticals including Eli Lilly, Wyeth, Amgen, and Novartis.

Chief Scientific Officer, PhD.

Shuguang Huang

Dr. Shuguang Huang has 20 years of experience working in pharmaceutical and diagnostic companies. He had assumed technical and management positions at Eli Lilly, Wyeth, and Pfizer. His most position was Associate VP, department head of Biostatistics at Helomics, a cancer diagnostic company. In 2014, he co-founded and assumed the Chief Scientific Officer position for the statistics consulting company Stat4ward.
His expertise includes (i) In-depth real-life expertise in assay development and validation. (ii) data mining and exploratory analysis using high-throughput assay technologies.  (iii) Broad experience with various assay technologies and their applications in drug development and biomarker assay development. (iv) Statistical process control. (v) IVD/LTD regulatory submission – PMA, 510(k), CLIA.
Dr. Huang is a committee member of AAPS Flow Cytometry Action Programming Committee, and he is the committee members for a few CLSI guideline development teams. He has conducted a few workshops across US teaching Assay validation based on CLSI guidelines. He has 30 peer-reviewed publications.

Hannah Zhao


Dr. Zhao has extensive work experience in health care research for 20 years. She is well-versed in standard and advanced biostatistics techniques used in biomedical research, including cross sectional data, clustered and multilevel data, (nested) case control studies, self-controlled case series method (SCCS), marginal structural models, latent variable modeling, propensity score methods.

Qingyang Zhang

Ph.D., Biomarker Algorithm Development

Dr. Zhang received his Ph. D. in Statistics with a concentration in computational biology. His expertise is in network modeling, gene expression analysis, and computational systems biology. Dr. Zhang has 12 peer-reviewed articles published in Journal of the American Statistical Association, PLoS Genetics, and BMC Systems Biology. 

Sha Yang

MS, Analytical Method Development

Sha Yang has 15 years of experience. Her focuses in Stat4Ward include statistical design of experiment (DOE), SAP development, and data analysis. She has deep expertise in diagnostic product development, CMC, and exploratory modeling. 

Hang Nguyen

Ph.D., Principal Biostatistician

Dr. Nguyen has experience in survival analysis, clinical trials, statistical methods in sampling, epidemiology, genetic data, causal inference, and machine learning. At Stat4ward she focuses on statistical methodologies related to CDx and clinical trials. She received her Ph.D. in Biostatistics from Southern Methodist University.

Xiaohui Chen

Ph. D., Principal Biostatistician

Dr. Chen has extensive experience in statistical inference and data modeling. She supports the SAP and protocol development for clinical trials and analytical method validation studies. Her focus at Stat4ward are statistical methodologies and supporting projects that involve challenging statistical issues.

Yutong Yang

Ph.D., Principal Biostatistician

Dr. Yang, with backgrounds in Applied Statistics and Chemical Engineering, focuses at Stat4ward on protocol development for clinical trials and analytical method validation studies, ensuring data integrity through statistical methodologies, and programming for meta and exploratory analyses.

Joanne Yu

MS, Biostatistician

Ms. Yu has M.S. in Business Analytics and B.S. in Accountancy. She focuses on providing support in data analysis, data visualization, programming, and project management.

Jimin Wang

MS, Biostatistician

Mr. Wang has MS in Biostatistics and BS in Statistics. He provides statistics and programming support to CDx and CMC projects.

Zhengbo Wu

MS, Biostatistician

Mr. Wu has MA in Applied Statistics and BS in Mathematics. He provides data analysis, statistical modeling, and programming supports to various projects. He has extensive experience in supporting assay validation studies.

Alethea Wieland

QA Manager

Ms. Wieland is a seasoned life science scientist with deep knowledge in corporate compliance, regulatory affairs, clinical operations, healthcare IT/AI, drug and medical device sectors. She has strong expertise in clinical research (e.g. EMR-EDC Interoperability, Regulatory Negotiations/Submissions) and Quality Assurance (e.g. Process/Quality Improvements, Risk Analysis/Investor Relations).

Serena Sin

MBA, HR Manager/QA

Ms. Sin provides service in HR-related matters. She also provides support in QA. She received her MBA in 2006 and has a BS in Food Studies. 

Shanshan Zhang

Ph. D., Biostatistician

Dr. Zhang, with a background in Genetics, Statistics, and Data Science, has extensive experience in cancer and genomic data analysis. At Stat4ward, she focuses on developing protocols for clinical trials and validating analytical methods. Additionally, she provides support in statistical analysis and programming. 

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