Okechukwu Obulezi | Mathematics | Editorial Board Member

Dr. Okechukwu Obulezi | Mathematics | Editorial Board Member

Nnamdi Azikiwe University | Nigeria

Author Profile

Scopus

Orcid

๐ŸŽ“ 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.

๐Ÿ’ผ Professional Endeavors

Dr. Obuleziโ€™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.

๐Ÿ”ฌ Contributions and Research Focus

Dr. Obuleziโ€™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.

๐Ÿ† 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.

๐ŸŒ 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.

๐Ÿ”ฎ 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


  • ๐Ÿ“„ 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

  • ๐Ÿ“„ 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

  • ๐Ÿ“„ 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

  • ๐Ÿ“„ 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

  • ๐Ÿ“„ 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

 

Sofia Karakasidou | Economics, Econometrics and Finance | Best Researcher Award

Ms. Sofia Karakasidou | Economics, Econometrics and Finance | Best Researcher Award

University of Thessaly | Greece

Author profile

Orcid

๐ŸŒฑ Early Academic Pursuits

Ms. Sofia Karakasidou's academic journey began with a strong foundation in economics. She earned her BSc in Economics from the Aristotle University of Thessaloniki, Greece, between 1990 and 1994. Eager to expand her expertise, she pursued a second BSc in Accounting & Finance at the University of Macedonia, Thessaloniki, Greece, from 1999 to 2004. Her academic endeavors continued as she attained an MSc in "Statistics and Actuarial Financial Mathematics" with a specialization in Actuarial Financial Mathematics from the University of the Aegean, Greece, from 2007 to 2011. Currently, she is a dedicated Ph.D. candidate at the University of Thessaly, Greece, focusing on advanced economic studies.

๐Ÿข Professional Endeavors

Ms. Karakasidou has a rich professional background, having served in various capacities at the Central Market of Thessaloniki S.A. since 1996. She began in the Administrative Department and soon transitioned to the Financial Department, where her expertise in financial management and administrative functions grew. Over the years, she climbed the ranks, eventually becoming the Head of Financial Services and, later, the Head of Administrative Services Department, a position she holds today.

๐Ÿ“Š Contributions and Research Focus

Ms. Karakasidou has made significant contributions to the field of economic statistics, particularly in the analysis of time series related to agricultural product prices. Her research, often presented at national and international conferences, delves into the complexities of price dynamics using advanced methods such as Recurrence Quantification Analysis and complex networks. Her published works, including papers in reputable journals like AppliedMath, reflect her deep commitment to understanding and improving financial and economic systems.

๐Ÿ† Accolades and Recognition

Throughout her career, Ms. Karakasidou has been recognized for her exceptional work. Her presentations at prominent conferences, such as the Panhellenic Conference on Statistics and the International Conference on Topology, have earned her respect in the academic community. Her ability to translate complex statistical data into actionable insights has been acknowledged by peers and professionals alike.

๐ŸŒ Impact and Influence

Ms. Karakasidou's work has had a profound impact on the understanding of economic patterns, particularly in the agricultural sector. Her research has provided valuable insights into the behavior of vegetable prices, offering a clearer picture of market dynamics. This has not only contributed to academic literature but also provided practical implications for economic policy and market regulation.

๐Ÿ“š Legacy and Future Contributions

As Ms. Karakasidou continues her Ph.D. studies and professional work, her legacy in the field of economic statistics is already taking shape. Her future contributions are likely to further enhance the understanding of economic systems, particularly in the area of time series analysis. With her ongoing research and dedication to academic excellence, Ms. Karakasidou is set to make lasting contributions that will influence future studies and practices in economics.

 

Publications


  • ๐Ÿ“„ Exploring Price Patterns of Vegetables with Recurrence Quantification Analysis
    Authors: Sofia Karakasidou, Athanasios Fragkou, Loukas Zachilas, Theodoros Karakasidis
    Journal: AppliedMath
    Year: 2024 (4(3), 1012-1046)

  • ๐Ÿ“„ Nonlinear Analysis of Time Series of Agricultural Product Prices: Application in the Central Market of Thessaloniki
    Author: Sofia Karakasidou
    Conference: 26th Panhellenic Conference on Statistics, Hellenic Statistical Institute
    Year: 2013

  • ๐Ÿ“„ Analysis of Time Series of Greek Vegetable Prices
    Author: Sofia Karakasidou
    Conference: 30th Conference on Applied Economics, University of Thessaly & Hellenic Statistical Institute
    Year: 2013

  • ๐Ÿ“„ Vegetable Price Time Series Analysis Using Complex Networks
    Author: Sofia Karakasidou
    Conference: International Conference on Topology, Nafpaktos, Greece
    Year: 2014

  • ๐Ÿ“„ Vegetable Price Dynamics Using Recurrence Plot Analysis
    Author: Sofia Karakasidou
    Conference: International Conference on Topology, Nafpaktos, Greece
    Year: 2023

 

Maaz Ahmad | Economics, Econometrics and Finance | Editorial Board Member

Dr. Maaz Ahmad | Economics, Econometrics and Finance | Editorial Board Member

Tashkent State University of Economics | Uzbekistan

Author Profile

Google Scholar

Early Academic Pursuits

Maaz Ahmad is a dedicated and adaptable individual with a strong organizational approach and excellent communication skills. Born on April 09, 1992, in Dargai, Pakistan, he holds Pakistani nationality and currently pursues a Ph.D. in Economics with a focus on Regional Economics at Wuhan University, China.

Professional Endeavors

Maaz's academic journey includes a Master's in Economics with a specialization in Environmental Economics from Islamia College Peshawar, Pakistan. He has a diverse educational background, including a Bachelor's degree in Arts and Economics. His experiences extend to the field with teaching roles at Government Degree College Hayatabad and Post Graduate Degree College Dargai. Maaz has also worked in Allied Bank Limited, Mall Road Branch, Mardan, gaining valuable banking experience.

Contributions and Research Focus

Maaz's research focus spans various economic domains, including environmental impact investigations, consumer satisfaction in private transport services, and the impact of foreign direct investment on income inequality. He actively engages in courses related to microeconomics, macroeconomics, development economics, environmental economics, econometrics, and more, showcasing his commitment to a comprehensive academic understanding.

Accolades and Recognition

Maaz Ahmad has presented research papers at international conferences, demonstrating his contribution to the academic discourse. Notable presentations include an empirical investigation of Ehrlich-Commoner environmental impact and consumer satisfaction from private transport services.

Impact and Influence

Maaz has made significant contributions to research publications, collaborating on studies related to natural resources extraction, green finance, foreign direct investment, renewable energy consumption, and economic growth. His work has been published in reputable journals, such as Resources Policy, Plos One, Energy, and more.

Legacy and Future Contributions

With an array of skills, including proficiency in back-office products like E-views, GAMS, Stata, and SPSS, Maaz Ahmad demonstrates a strong analytical capability. His commitment to research, diverse experiences, and language proficiency in English, Urdu, Pashto, and Arabic positions him for a promising legacy. In the future, Maaz aspires to continue contributing to economic research and sustainable development, leveraging his skills and experiences to address global challenges.

Notable Publication

Does eco-innovation promote cleaner energy? Analyzing the role of energy price and human capital 2022 (37)

The impact of trade, environmental degradation and governance on renewable energy consumption: Evidence from selected ASEAN countries 2022 (14) 

Natural resources extraction and green finance: Dutch disease and COP27 targets for OECD countries 2023 (8)

 

 

Dr. Takuji Tsusaka | Economics, Econometrics and Finance | Excellence in Research Award

Dr. Takuji Tsusaka | Economics, Econometrics and Finance | Excellence in Research Award

Asian Institute of Technology | Thailand

Author Profile

Google Scholar

 

Early Academic Pursuits

Dr. Takuji W. Tsusaka's academic journey was marked by a pursuit of multidisciplinary expertise. Holding a Ph.D. in Development Economics, a Master of International Development Studies, and a Bachelor of Engineering in Applied Physics, his diverse educational background laid the foundation for his multifaceted contributions to various domains.

Professional Endeavors

With a robust professional trajectory, Dr. Tsusaka's career spans prominent international organizations such as the Asian Institute of Technology (AIT), International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), International Rice Research Institute (IRRI), and Mars & Co. His employment history underscores his commitment to interdisciplinary research and corporate management.

Contributions and Research Focus

Dr. Tsusaka's contributions to agricultural and development economics are substantial. His expertise encompasses a wide array of subjects, including social capital formation, technology adoption, poverty reduction, gender in smallholder agriculture, and spatial econometrics. His extensive involvement in ex-post impact evaluation projects reflects a deep commitment to assessing and enhancing the effectiveness of development interventions.

Accolades and Recognition

Acknowledged for his exceptional contributions, Dr. Tsusaka has received numerous awards, including the Best Paper Award at the 10th ASAE International Conference and recognition as a Top-15 Nominee for the 1st SDGs Award at GRIPS. His dedication to research management was honored with the Best Research Manager Award at the Annual Science Awards by ICRISAT, among other notable accolades.

Impact and Influence

Dr. Tsusaka's research publications, numbering significantly in prestigious journals and platforms, underscore his impactful contributions. His work has explored diverse topics within agricultural economics, development research, sustainable production, and environmental management, positioning him as a thought leader in these domains.

Legacy and Future Contributions

Dr. Tsusaka's legacy encompasses not only his extensive research output but also his mentorship role, guiding and supervising Ph.D. students to successful completion. His commitment to education, evident through his teaching experiences and student supervision, ensures a lasting impact on the next generation of scholars. His future contributions are poised to continue shaping the discourse on sustainable development, agriculture, and economic policies worldwide.

Notable Publications

Assessing the efficiency of smallholder sugarcane production: The case of Faisalabad, Pakistan 2022 (2)

Revisiting the Solow-Swan model of income convergence in the context of coffee producing and re-exporting countries in the world 2022 (2)

Does insurance work? Dynamic assessment of insurance, poverty, and climatic hazard outcomes in Thailand 2022 (3)

Neighborhood effects and social behavior: The case of irrigated and rainfed farmers in Bohol, the Philippines 2015 (38)