Okechukwu Obulezi | Mathematics | Editorial Board Member

Dr. Okechukwu Obulezi | Mathematics | Editorial Board Member

Nnamdi Azikiwe University | Nigeria

Author Profile

Scopus

Orcid

🎓 Early Academic Pursuits

Dr. Okechukwu Obulezi began his academic journey with a focus on statistical sciences, obtaining an ND in Statistics from Abia State Polytechnic in 2006. Driven by his passion, he continued with an HND in Statistics from the same institution, culminating in a strong foundation in quantitative analysis and data interpretation. Pursuing higher learning, he completed a PGD in Statistics at Nnamdi Azikiwe University in 2012, with a thesis on the "Discriminant Analysis of the Nigerian Fixed Assets." His master's thesis focused on "BIC-Based Relative Influence Measure for Outlier Detection and Variable Selection in Regression Analysis," setting the stage for his current Ph.D. in Statistics, where he explores complex statistical methods for predictive and analytical modeling.

💼 Professional Endeavors

Dr. Obulezi’s professional career spans several academic roles, starting as an Instructor at Abia State Polytechnic in 2011, where he advanced to Senior Instructor by 2015. In 2019, he joined Nnamdi Azikiwe University as an Assistant Lecturer in the Statistics Department, quickly progressing to Lecturer II and then Lecturer I by 2023. His responsibilities include teaching specialized courses such as Biostatistics, Statistical Methods, Probability Theory, and Matrix Algebra, where he imparts knowledge to the next generation of statisticians. Beyond teaching, he plays critical roles in advising undergraduates, coordinating seminars and projects, and contributing to departmental committees, such as the Faculty ICT Committee and Faculty Repair and Maintenance Committee.

🔬 Contributions and Research Focus

Dr. Obulezi’s research interests lie at the intersection of probability distributions, machine learning, and statistical modeling, with applications in survival analysis, acceptance sampling, and censored data analysis. His contributions to these fields include publications in high-impact journals, focusing on new statistical models for various real-world applications. Some of his significant research includes new distribution models for engineering, biomedical, and environmental data, optimization of GARCH models for financial volatility, and innovative sampling plans for reliability testing. His publications reflect his commitment to advancing the fields of statistics and machine learning by creating robust, practical solutions for complex data challenges.

🏆 Accolades and Recognition

Dr. Obulezi has earned recognition for his academic and research excellence, serving as a reviewer for several prestigious journals, such as Cogent Engineering, Scientific African, and Alexandria Engineering Journal. His expertise has also led him to contribute as a reviewer for academic book chapters, particularly in mathematical and computer science research. This engagement underscores his prominence as a thought leader in the statistical community and highlights the respect he commands among peers for his critical insights and expertise.

🌍 Impact and Influence

Dr. Obulezi's work in developing statistical models and distributions has had a significant impact, particularly in the areas of biomedicine, engineering, and environmental science. His innovative methodologies have helped refine statistical tools for better data analysis, contributing to improved outcomes in public health research, environmental risk assessment, and financial risk management. His influence also extends to mentoring students and collaborating with other academics, which enriches the statistical field and inspires the next generation of statisticians.

🔮 Legacy and Future Contributions

Looking forward, Dr. Obulezi aims to further his research in advanced statistical modeling, focusing on machine learning applications and data-driven decision-making in complex fields. His commitment to exploring new statistical approaches for big data and predictive analysis places him at the forefront of his field, positioning him to make enduring contributions that will drive innovation in statistical methodologies and applications for years to come.

 

Publications


  • 📄 Parameter estimation for reduced Type-I Heavy-Tailed Weibull distribution under progressive Type-II censoring scheme
  • Authors: Prakash, A., Maurya, R.K., Alsadat, N., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • 📄 Sine generalized family of distributions: Properties, estimation, simulations and applications
  • Authors: Oramulu, D.O., Alsadat, N., Kumar, A., Bahloul, M.M., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • 📄 A more flexible Lomax distribution: Characterization, estimation, group acceptance sampling plan and applications
  • Authors: Ekemezie, D.-F.N., Alghamdi, F.M., Aljohani, H.M., El-Raouf, M.M.A., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • 📄 A new extension of Burr-Hatke exponential distribution with engineering and biomedical applications
  • Authors: Anyiam, K.E., Alghamdi, F.M., Nwaigwe, C.C., Aljohani, H.M., Obulezi, O.J.
  • Journal: Heliyon
  • Year: 2024

  • 📄 Group acceptance sampling plan based on truncated life tests for Type-I heavy-tailed Rayleigh distribution
  • Authors: Nwankwo, M.P., Alsadat, N., Kumar, A., Bahloul, M.M., Obulezi, O.J.
  • Journal: Heliyon
  • Year: 2024

 

Yanqiu Huang | Health Professions | Best Researcher Award

Dr. Yanqiu Huang | Health Professions | Best Researcher Award

Shanghai Jiaotong University School of Medicine| China

Author Profile

Orcid

Early Academic Pursuits 🎓

Dr. Yanqiu Huang began her academic journey in Preventive Medicine at Nanjing Medical University from 2017 to 2022. Her major courses included Epidemiology, Health Statistics, Environmental Hygiene, and Nutrition and Food Hygiene. Throughout her undergraduate studies, she demonstrated exceptional academic excellence, receiving several prestigious honors such as the National Scholarship, First Class Academic Scholarship, Dean Scholarship, and Public Health Scholarship. These early achievements laid a strong foundation for her career in public health.

Professional Endeavors 🏥

After completing her Bachelor's degree, Dr. Huang pursued a Doctor of Medicine in Public Health and Preventive Medicine at Shanghai Jiao Tong University from 2022 to 2024. During her PhD, she delved into advanced subjects such as Advanced Epidemiology, Oncology, Endocrinology, Metabolic Diseases, and Medical Statistics. Her exceptional performance in these areas earned her PhD First and Second Class Academic Scholarships. Dr. Huang's research during this period focused on public health challenges, particularly lifestyle and environmental factors affecting health outcomes.

Contributions and Research Focus 🔬

Dr. Huang has made significant contributions to the field of public health and preventive medicine. Her research primarily focuses on the role of lifestyle and nutrient intake on health, particularly in special populations. She has also explored Mendelian Randomization in digestive, neurodegenerative, and cardiovascular diseases, as well as the impact of air pollution on adverse health outcomes. Some of her notable publications include:

  • "Effect of Maternal Triclosan Exposure on Neonatal Birth Weight and Children Triclosan Exposure on BMI" (2021)
  • "Association Between Healthy Lifestyle Combinations and Periodontitis" (2024)
  • "Independent and Combined Effects of Smoking, Drinking, and Depression on Periodontal Disease" (2024)

Accolades and Recognition 🏆

Dr. Huang's academic and research accomplishments have been widely recognized. She has consistently received scholarships throughout her academic career, including the PhD First Class Academic Scholarship and PhD Second Class Academic Scholarship. Her publications in high-impact journals, such as Front Public Health and BMC Oral Health, have earned her a reputation as a rising star in public health research.

Impact and Influence 🌍

Dr. Huang’s research has made a significant impact on understanding the intersection of lifestyle, environmental factors, and health outcomes. Her studies have helped shape public health strategies by highlighting the importance of nutrient intake, pollution control, and healthy lifestyles in preventing diseases. Her work on Mendelian Randomization and its application to chronic diseases like cardiovascular and neurodegenerative conditions further contributes to global health knowledge.

Legacy and Future Contributions 🚀

Dr. Yanqiu Huang's academic achievements and research contributions position her as a future leader in preventive medicine. As she continues her work in public health research, her focus on lifestyle-mediated health outcomes and environmental influences will likely lead to new insights and solutions for improving global health. Her ongoing research and future publications will continue to influence policy and health initiatives worldwide, creating a lasting impact on the field.

 

Publications


📄 Association between Lifestyle Modification and All-Cause, Cardiovascular, and Premature Mortality in Individuals with Non-Alcoholic Fatty Liver Disease
Journal: Nutrients
Year: 2024
Contributors: Yanqiu Huang, Jinfan Xu, Yang Yang, Tingya Wan, Hui Wang, Xiaoguang Li


📄 The Combined Effects of the Most Important Dietary Patterns on the Incidence and Prevalence of Chronic Renal Failure: Results from the US National Health and Nutrition Examination Survey and Mendelian Analyses
Journal: Nutrients
Year: 2024
Contributors: Yanqiu Huang, Shiyu Xu, Tingya Wan, Xiaoyu Wang, Shuo Jiang, Wentao Shi, Shuai Ma, Hui Wang


📄 Association between Sleep and Periodontitis: NHANES 2009-2014 and Mendelian Randomization Study
Journal: CRANIO®
Year: 2024
Contributors: Yong Yuan, Xujie Miao, Yingqi Hou, Yanqiu Huang, Beibei Qiu, Wentao Shi


 

 

 

Sarka Lisonkova | Health Professions | Women Research Award

Assoc Prof Dr. Sarka Lisonkova | Health Professions | Women Research Award

The University of British Columbia | Canada

Author Profile

Scopus

Orcid

Early Academic Pursuits

Dr. Sarka Lisonkova's academic journey began at Palacky University in Olomouc, Czech Republic, where she earned her MD degree in 1994. She then pursued a Master's degree in Epidemiology at the State University of New York, USA, completing it in 1999. Her academic excellence continued at the University of British Columbia (UBC) in Canada, where she obtained her PhD in Epidemiology in 2009. Following her PhD, Dr. Lisonkova undertook post-doctoral research at UBC, focusing on epidemiological studies from 2009 to 2012.

Professional Endeavors

Dr. Lisonkova’s professional career is marked by significant roles both before and during her tenure at UBC. Before joining UBC, she was an Assistant Professor at Palacky University and a Visiting Researcher at the Scientific Institute of Public Health Louis Pasteur in Brussels, Belgium. At UBC, she has held various positions, starting as a Social Science Researcher from 2000 to 2007, advancing to a Research Associate, and then to an Assistant Professor in Obstetrics and Gynecology from 2014 to 2019. She has been an Associate Professor in the same department since 2019 and is also an associate member of the School of Population and Public Health since 2015.

Contributions and Research Focus

Dr. Lisonkova has made substantial contributions to the field of Obstetrics and Gynecology, particularly in reproductive and child health sciences. She developed OBST 504, a course that emphasizes the critical appraisal of research in reproductive and children's health sciences, which has been incorporated into UBC’s curriculum. Her research interests include maternal and perinatal epidemiology, with a focus on understanding the factors underlying maternal and neonatal health outcomes. She is also actively involved in international collaborations aimed at preventing preterm births and improving neonatal health.

Accolades and Recognition

Throughout her career, Dr. Lisonkova has received numerous awards and distinctions. Some notable recognitions include the Harold A. Kaminetzky Prize Paper award in 2018 for her co-authored paper on maternal mortality in the United States and the Highly Cited Research Award from the American Journal of Obstetrics and Gynecology in 2016. Additionally, she has received various scholarships and fellowships, such as the Senior Graduate Scholarship from the Canadian Institutes for Health Research and the Graduate Scholarship from the Michael Smith Foundation for Health Research.

Impact and Influence

Dr. Lisonkova's impact extends beyond her research contributions. She has been actively involved in shaping future research agendas through her participation in national and international workshops and committees. Notably, she was invited to the Core Stillbirth Estimation Group by the United Nations and has contributed to the Society of Obstetricians and Gynaecologists of Canada’s workshop on maternal mortality and morbidity. Her leadership in the New Vulnerable Newborn Measurement collaboration highlights her influence in neonatal health research.

Legacy and Future Contributions

Dr. Lisonkova's legacy in the field of Obstetrics and Gynecology is characterized by her dedication to improving maternal and neonatal health outcomes through rigorous research and international collaboration. Looking forward, her ongoing work with the PREBIC collaboration and other international initiatives positions her to continue making significant contributions to the field. Her commitment to education and mentorship also ensures that her influence will be felt by future generations of researchers and healthcare professionals.

 

Notable Publications

Racial/Ethnic Disparity in Severe Maternal Morbidity Among Women Who Conceived by In-vitro Fertilization 2024

A history of recurrent pregnancy loss is associated with increased perinatal complications, but not necessarily a longer birth interval: a population study spanning 18 years 2024

Variation in Episiotomy Use Among Nulliparous Individuals by Maternity Care Provider and Associated Rates of Obstetric Anal Sphincter Injury 2024

Severe Maternal Morbidity and Mental Health Hospitalizations or Emergency Department Visits 2024

Maternal mortality in the United States: are the high and rising rates due to changes in obstetrical factors, maternal medical conditions, or maternal mortality surveillance? 2024 (6)