LIAM Members - Current

Mahnaz Alavinejad, PhD candidate

Biography: Mahnaz Alavinejad completed her Bachelor of science in pure mathematics, Master of science in functional analysis and mathematical biology in 2011 and 2016, respectively.

Research Interests: Delay differential equations, mathematical modelling.

Yehya Althobaity, MA in Mathematics

Biography: Yehya Althobaity, working in his survey paper in MERS-COV also preparing for two seminars in infection disease modelling using Stochastic Processes and Optimization.

Research Interests: Infection Disease Modelling Numerical modelling, Stochastic Processes and Special Models; their application to infection disease.

Dr. Haijiang Dai, Post-doctoral Fellow 

Biography: Haijiang Dai got his MD in clinical medicine from Central South University in 2017. He is currently working on Health Risk Assessment for Chronic Disease Prevention and Management project at York University.

Research Interests: Improving chronic disease care using predictive modeling and data mining.


Dr. Xiaomei Feng, lecture in the department of Applied Mathematical, Yuncheng University

Biography: Xiaomei Feng graduated from Xinjiang University in China with her PhD degree of Science in 2014. Now, she works as a lecture in the department of Applied Mathematical,Yuncheng University. Currently, she is a visiting scientist in York University with a period of one year since November, 2016.

Research Interests: Research Interests: Mathematical modelling, epidemiology dynamics and population dynamics.

Daniel Gemara, Undergraduate Student

Biography: Daniel Gemara is a fourth year undergraduate student at York University, majoring in Applied Mathematics.

Research Interests: Data science, analytics and operations research.

Dr. Yao Guo, Post-doctoral Fellow

Biography: Yao Guo got his PhD in applied mathematics from Fudan University in 2014 under the supervision of Prof. Wei Lin. He began his post-doctoral fellowship with Dr. Jianhong Wu in 2015 and now continues as a post-doctoral fellow jointly supervised by Dr. Jianhong Wu and Dr. Yuming Chen (Wilfrid Laurier University).

Research Interests: Nonlinear dynamics; Delay differential equations; Switched systems

Dr. Xinli Hu, associate professor in Xi’an Polytechnic University, China

Biography: Xinli Hu obtained her PhD degree of Science from Xi’an Jiaotong University in China in 2011. Now she is an associate professor of Applied Mathematical in Xi’an Polytechnic University.

Research Interests: Mathematical modelling, epidemiology dynamics and population dynamics.

Yine Hu, Lecturer, Shanghai University of Traditional Chinese Medicine, China

Biography: Yine works in Shanghai University of Traditional Chinese Medicine, China. In 2003, she received her bachelor's Degree from Jilin University, China majoring in computer science. She also received her master’s Degree from Jilin University in 2006. After graduating from Jilin University, she began to work as a Lecturer in the Shanghai University of Traditional Chinese Medicine. She took the PhD examinations of Shanghai University of Traditional Chinese Medicine in 2011 and was given the opportunity to study acupuncture in the next five years.

Research Interests: Acupuncture information science, analysis and processing of acupuncture manipulation; Quantification and standardization of acupuncture manipulation; Applying data mining, neural network technology to study the acupuncture manipulation.

Dr. Josie Hughes, Post-doctoral Fellow, Mount Sinai Hospital

Biography: Josie Hughes is an applied quantitative biologist who provides practical assistance using data analysis, visualization and mathematical modelling techniques. She began her career projecting the progress of a major forest insect outbreak for the British Columbia and Canadian governments (2003-2011).This experience prompted broader interests in the population dynamics of infectious agents and the practical use of data and models which she pursued in her PhD (Department of Ecology and Evolutionary Biology, University of Toronto, 2012).

Josie joined the Centre for Disease Modelling 2011 and also works closely with the Antimicrobial Stewardship Program at Mount Sinai Hospital and the University Health Network. Her work includes the development of indices to summarize the impact of antibiotic resistance on empiric therapy, modelling the impact of antimicrobial de-escalation strategies, analysis of variation in resistance over time and among units, and analysis of variation in drug use over time.

Research Interests: Translating biology into math and vice-versa; applied modelling; Analysis of space-time data; Antimicrobial resistance and stewardship; Forest insect population dynamics

For more information on Josie Hughes, please visit her personal website or her Linkedin profile.

Dr. Kiyeon Kim, Visitor scholar

Biography: Kiyeon KIM got his D.V.M. and M.S. from Seoul National University. He obtained his Ph.D. degree of Veterinary medicine from Hokkaido University, Japan in 2016 under the supervision of Prof. Kimihito Ito and he was a postdoctoral research fellow in the same laboratory for one year. Currently, he is a visiting scholar at York University.

Research interest: Combining nucleotide sequence information and epidemiological modeling to estimate epidemiological parameter, especially using  Influenza A virus.


Lisha Lin, Visiting PhD candidate

Biography: Lisha Lin is a PhD candidate of Applied Mathematics in Hunan University. She is now a visiting PhD student in York University with a period of one year since Jan. 2018.

Research Interests: Option pricing, Bayesian methods, Stochastic differential equations and stochastic delay differential equations in derivative pricing.


Bushra Majeed, PhD candidate

Biography: Bushra Majeed completed her Bachelors of Science(Honours) in Mathematics and Physics, Master of Science in Applied Mathematics from University of the Punjab, Lahore Pakistan, in 2006 and 2008 respectively.
A second, Master of Arts(Applied Mathematics) from York University in 2017. Now she is a PhD students at York University working towards Modeling the Genetic Load in Social Insects.

Research Interest: Mathematical Modeling, Mathematical Biology (Genetics).


Zack McCarthy, PhD candidate

Biography: Zack received his BS in mathematics at Cleveland State University in 2015. He continued at Cleveland State University obtaining an MS in applied mathematics supervised by Daniel Munther and Shawn D. Ryan in 2017. Now he is an applied mathematics PhD student at York University.

Zack is currently involved in two primary projects. One in collaboration with Public Health Agency of Canada and Cleveland State University using mechanistic models to understand foodborne pathogen dynamics in poultry processing. By understanding these pathogen dynamics, strategies for improving food safety may be developed. The other project investigating motor-protein dynamics on microtubules. Their group is interested in the relationship between jam formations on microtubules and neurodegenerative diseases.

Research interests: foodborne pathogen modeling, public health, mathematical biology

For more information, feel free to visit Zack’s personal website.

Dr. Kyeongah Nah, Post-doctoral Fellow

Biography: Kyeongah Nah obtained her PhD degree of Mathematics and computer sciences from Szeged University in Hungary in 2015 under the supervision of Prof. Gergely Röst. From 2015-2017, she was a postdoctoral research fellow in the laboratory Prof. Hiroshi Nishiura in University of Tokyo and Hokkaido University in Japan. At LIAM, she is currently working on the project entitled "Tick-borne encephalitis with changes in climate, habitation and recreational activities".

Research Interests: Theoretical biology. (Examples of her studies include:

Evolutionary modeling of pathogen adaptation to seasonal forcing, Statistical modeling of disease importation risk using airline network data, Malaria dynamics in temperate regions with long-term latent period)



Dr. Ashrafur Rahman, Post-doctoral fellow

Biography: Dr. Ashrafur Rahman completed his Bachelors of Science in Mathematics from the University of Dhaka, Bangladesh in 2000, a Masters of Science in Pure Mathematics from University of Dhaka in 2002, and a second Masters of Science and PhD in Applied Mathematics from the University of Western Ontario in 2010 and 2015, respectively.

Research Interests: Food-borne pathogen modeling.

Dr. Kazi Rahman, Post-doctoral fellow

Biography: Dr Kazi Rahman received his PhD in Mathematics from University of Guelph, Ontario, Canada in 2015. He is working as a Post-doctoral Fellow and  Instructor at York University, Toronto, Canada.

Research Interests: Mathematical Biolology (Computational Biomathematics); Mathematical modeling of biological systems (modelling, analysis, and simulation); Application of differential equations (ODEs, PDEs, SDEs) in Life Science, Financial Mathematics; Epidemiological modeling (Diseases, STDs etc.); Agent-based modelling.

Jemisa Sadiku, PhD Candidate

Biography: Jemisa completed her B.Sc. in mathematics with a minor biology in 2014 and she is now a PhD candidate in mathematics and statistics at York University. During her M.A. studies, she worked on a survey paper that involved the spread of the HIV virus inside an organism. She also studied Lyme disease and its spread inside an organism. Jemisa presented two seminars: (1) tick populations in wide geographical areas and the impact of climate change on the population, and (2) different mathematical models that predicted the biological effect on how and why the elimination of Borrelia burgdoferi is almost impossible.

Research Interests: Lyme disease and the bacterial spread inside the host.

Zilong Song, Post-doctoral fellow

Biography: Zilong was born in China. He received his PhD in Applied Mathematics at City University of Hong Kong in 2013, under the supervision of Prof. Hui-Hui Dai. After graduating, he worked as a postdoc with Prof. Roderick Wong and Prof. Hui-Hui Dai. Since 2016, he has been working with Prof. Huaxiong Huang, Prof. Jianhong Wu, and the team of LIAM at York University. He has been teaching undergraduate courses at York University.

Research interests: disease modeling, asymptotic analysis of system for ion transport, phase transition of shape memory alloys, plate and shell theory

Bowen Sun, Master of Science Candidate

Biography: Bowen is a 2nd year Master of Science candidate from the Department of Computer Science at the Simon Fraser University in British Columbia, Canada.

Research Interests: Machine learning with large amounts of high dimensional data, especially in the application of neutral networks and unsupervised learning.

Biao Tang, Post-doctoral Fellow

Biography: Biao Tang is a PhD candidate of Applied Mathematical in Xi’an Jiaotong University. He is now a visiting PhD student in York University and Fields institute with a period of two years since September, 2015.

Research Interests: Hybrid differential equation models in HIV and cancer therapy; Epidemic models of dengue and Zika.

Marco Tosato, PhD Candidate

Biography: Marco completed his Bachelor of Science in pure mathematics (algebraic field) and then decided to
switch to Applied Mathematics during his master. 
Both the bachelor and the master were completed at the University of Trento, Italy.
The final thesis had the goal of trying to model West Nile Virus in the region of Emilia Romagna, Italy
taking into consideration the possibility of a feeding preference shift in mosquitoes.
Research interests: Mathematical Modelling, Vector-borne Disease, West Nile Virus.


Zarko Valtchev, PhD Candidate

Biography: Bachelor of Science with Honours in Mathematics and Physics, from York University in 2012. Master of Arts in Applied Mathematics and Graduate Diploma in Financial Engineering from York University and Schulich School of Business respectively, in 2015. Currently working towards a PhD in neural networks and deep learning with applications to medicine, stock markets and sports analytics.

Dr. Jun Wu, associate professor, Changsha University, China

Biography: Jun Wu graduated from Hunan University in China with a PhD degree of Science in 2006 and now an associate professor in Changsha University of Science and Technology. She is working on delay differential equations and its applications and now supported by the National Natural Science Foundation of China.

Research Interests: Impulsive Differential equations; Nonlinear analysis; Fixed point theorem, etc.


Yong Yang, PhD Candidate

Biography: Yong Yang graduated from Zhenzhou University in China with a Bachelor of Information Management. He went on to complete his Master of Science, supervised by Dr. Jianhong Wu, at York University. Now he continues to pursue a PhD specializing in big data with Dr. Jianhong Wu at York University.

Research Interests: Developing computational methods for data mining, machine learning, and social computing; Designing efficient algorithms to enable effective problem solving


Dr. Xu Zhang, Associate Professor in Southwest
University, China


Biography: Xu Zhang obtained her PhD degree of Science from Southwest University in China in 2011. Now, she works as an associate professor in the School of Mathematics and Statistics, Southwest University. Currently, she is a visiting scientist in York University.

Research Interests: Research Interests: Mathematical modelling, epidemiology dynamics and data mining.