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Research Support Team

Data Management Staff

Maria Agda, Data Clerk

Ms. Maria Agda is a Data Clerk for the CIHR Canadian HIV Trials Network at CHÉOS.

Melissa Babra, Junior Data Manager

Melissa Babra is a Junior Data Manager for both CHÉOS and the CIHR Canadian HIV Trials Network.

Erica Jaaf, Data Management Assistant Operations Lead

Ms. Erica Jaaf is Data Management Assistant Operations Lead for the CIHR Canadian HIV Trials Network at CHÉOS.

Eisha Lehal, Data Operations Coordinator

Ms. Eisha Lehal is a Data Operations Coordinator.

Regulatory Affairs

Aidan Dennis, Program Operations Manager

Aidan works on projects primarily with the project management team. He holds a Master of Public Health from the University of Victoria and has worked for such organizations as the College of Physical Therapists of BC and the Ministry of Health (Vancouver location) for his practicum. Aidan has volunteered for both Canadian and international organizations.

Dana Nohynek, Director, Regulatory Affairs and Quality Assurance


M.Sc., RAC

Ms. Nohynek joined the CIHR Canadian HIV Trials Network (CTN) at CHÉOS as Director of Regulatory Affairs and Quality Assurance in December 2013. She leads the regulatory and quality affairs functions within the CTN through the management of infrastructure and guidelines for creating, maintaining and enhancing administrative, regulatory, and quality assurance systems associated with conducting clinical trials. Ms. Nohynek has the overall responsibility of developing, facilitating, and executing regulatory strategies to support Network studies and to oversee the maintenance and compliance of quality systems.

She holds a B.Sc. (Honours) from the University of Waterloo (1998), a M.Sc. from the University of Toronto (2000), and a RAC certification (2006) granted by the Regulatory Affairs Professionals Society (RAPS). She has more than ten years of industry experience that includes the development of regulatory strategies throughout various phases of clinical investigation, extensive interactions with regulatory authorities, and preparation and submission of applications to health agencies in Canada, the United States, and Europe. In addition, she has implemented and maintained quality systems, prepared for and participated in agency audits, and developed internal training programs.

Ms. Nohynek has worked for small to mid-size biotech and medical device companies as well as with large pharma. She is an executive member of RAPS’ Southern B.C. chapter and a professional member of the Canadian Association of Professionals in Regulatory Affairs.

Research Staff

Scott Beaumont, Research Assistant

Scott Beaumont is a Research Assistant working with Dr. Eugenia Oviedo-Joekes.

Mai Berger, Research Assistant

Ms. Mai Berger is a Research Assistant with Dr. Amy Salmon.

Glenyth Caragata, Evaluation Specialist

Glenyth Caragata is an Evaluation Specialist working with Amy Salmon.

Judy Chiu, Research Assistant



Ms. Judy Chiu is working with CHÉOS Scientists Drs. Nick Bansback and Aslam Anis.

Anne Chisholm, Research Assistant

Ms. Anne Chisholm is a Research Assistant working with Drs. Anita Palepu and Nadia Khan.

Sameer Desai, Research Methodologist

Mr. Sameer Desai is a Research Methodologist at CHÉOS.

Adam Easterbrook, Project Coordinator

Mr. Adam Easterbrook joined CHÉOS as a Project Coordinator after working at the University of Alberta as a Research Associate. Adam’s research has focused on exploring the experiences of various marginalized/vulnerable groups, which has included engaging in several knowledge translation endeavours. Adam will be working with Dr. Eugenia Oviedo-Joekes’ team on the PORTIA study.

Avarna Fernandes, Research Assistant

Avarna Fernandes is a Research Assistant with Dr. Josie Geller.

Saranee Fernando, Program Coordinator

Ms. Saranee Fernando is a Program Coordinator with Dr. Amy Salmon.

Muyi Iyamu, Research Assistant

Muyi Iyamu is working as a Research Assistant with Dr. Amy Salmon. He is a public health physician with a Master’s Degree in International Cooperation and Humanitarian Aid from the Humanitarian Aid Studies Center Almeria, Spain. He has over 6 years of experience in public health spanning across health insurance, mHealth, NCD control and HIV/AIDS programming. Most recently, he served as the documentation lead on the FHI 360 led Strengthening Integrated Delivery of HIV/AIDS Services (SIDHAS) project, across 13 states in Nigeria

Megumi Iyar, Research Coordinator

Ms. Megumi Iyar is a Research Coordinator for the Eating Disorders Program at Providence Health Care with CHÉOS Scientist Dr. Josie Geller.

Soodabeh Joolaee, Research Coordinator

Ph.D, RN, MSc

Soodabeh (Soodi) is a Research Coordinator for Dr. Peter Dodek, working with him on his “Moving from Moral Distress to Moral Integrity” project. Soodi completed a postdoctoral fellowship at the Centre for Applied Ethics, SPPH in 2016, and is now a visiting professor at the same center. In addition to her role at CHÉOS and as a visiting professor, Soodi is a currently a professor at the Nursing Care Research Center (NCRC), Iran University of Medical Sciences.

Michaela Knot, Qualitative Research Coordinator

Ms. Michaela Knot is Qualitative Research Coordinator working with Dr. Eugenia Oviedo-Joekes. Michaela is a medical anthropologist by training. Most recently she’s been involved in applied research in the not-for-profit sector in disability inclusion and accessibility in the workplace. She previously worked in pediatric palliative and community participatory research projects with a focus on ethnographic methods, vulnerable populations, and communication. Her research interests remain on ethnography, ethics in health care, communication, and how research can inform policy development and evidence-based practice.

Garricia Lee, Research Assistant

Garricia Lee is a Research Assistant in the PHC Eating Disorders Program with Dr. Josie Geller.

Kathy H. Li, Research Methodologist


Ms. Li is a Research Methodologist at CHÉOS. She also works as a Statistical Analyst at the Collaboration for Outcomes Research and Evaluation at the UBC Faculty of Pharmaceutical Sciences.

Lucia Milosavljevic, Research Coordinator

Ms. Lucia Milosavljevic works with CHÉOS Scientist Dr. Peter Dodek.

Adeola Olulana, Project Coordinator

Adeola is a 2006 World Bank scholar and holds an LL.M in International Trade & Investment Law from the University of Western Cape, Cape Town South Africa. She is currently working as a Project Coordinator with Amy Salmon.

Erika Ono, Evaluation Specialist

Ms. Erika Ono is an Evaluation Specialist working with Amy Salmon.

Derek Ouyang, Research Assistant

Mr. Derek Ouyang is a Research Assistant at CHÉOS.

Verena Rossa, Research Assistant

Ms. Rossa is a Research Assistant to Dr. Chris Richardson. She is a current MSc in public health student at UBC where she is supervised by Dr. Anne Gadermann. Verena has a background as psychiatrist working with youth and young adults in a community-outreach setting in rural Switzerland.

Julie Sou, Research Assistant


M.Sc., B.Sc.

Ms. Julie Sou completed her M.Sc. at the School of Population and Public Health at UBC, where her thesis focused on social determinants of health and health access among female sex workers. She is currently working as a Research Assistant with Dr. Wei Zhang, Program Head of Health Economics at CHÉOS.

Joanna Zelichowska, Research Assistant

Ms. Joanna Zelichowska is a Research Assistant for the Eating Disorders Program at Providence Health Care with CHÉOS Scientist Dr. Josie Geller.

Software and Programming Staff

Stanko Kovacevic, Database Programmer

Stanko Kovacevic

Mr. Stanko Kovacevic is a Database Programmer for the CIHR Canadian HIV Trials Network at CHÉOS.

Victor Trot, Database Programmer

Mr. Victor Trot is a Database Programmer for the CIHR Canadian HIV Trials Network at CHÉOS.

Qi Xia, Application Developer/Administrator

Mr. Qi Xia is an Application Developer/Administrator with CHÉOS.

Statistical and Health Economics Staff

Daphne Guh, Senior Statistician


Pharmacoeconomics Program

Research Interests

  • Biostatistics
  • Analysis of administrative databases
  • Modeling/costing of health care utilizations
  • Cost-effectiveness studies

Ms. Daphne Guh joined the Pharmacoeconomics program at CHÉOS after graduating with a Master of Science in Statistics from the University of British Columbia in late 1997. Over the years, she has worked with Centre Director Dr. Aslam Anis on several projects related to the provincial drug plan regulatory policies. Her research interests have been in biostatistics and issues/methods in analyzing administrative databases. Current research projects she is working on include the North American Opiate Medication Initiative (NAOMI) clinical trial, a British Columbia population-based rheumatoid arthritis database, and a project on the cost of obesity–burden of illness.

Defen Peng, Statistician

Dr. Peng completed a PhD in economics with a major in statistics from Zhongnan University of Economics and Law, in China in 2001. She updated her background by completing a Master of Science degree with a major in statistics from McMaster University in Ontario in 2009. Dr. Peng worked as a senior research fellow at the Center of Bio-statistics at the University of Limerick in Ireland from 2010–2012. And she worked as a statistician at BC Center for Improved Cardiovascular Health (ICVHealth), from 2013–2019.

Dr. Peng has published widely and developed interests in statistics, particularly in survival analysis with frailty, bivariate survival analysis, longitudinal analysis and in the stability of regression models with categorical covariates.

Hong Qian, Senior Statistician

Hong Qian


Ms. Hong Qian joined CHÉOS in June 2008. She holds a M.Sc. in Statistics from McMaster University. With over 10 years’ professional experience as a statistician working for research organizations, including the B.C. Cancer Agency and Albert Einstein College of Medicine (New York), Ms. Qian provides statistical support to multiple projects—specifically in the areas of osteoarthritis, diabetes, and cardiovascular diseases. She also provides advice on study design and statistical analysis for various short-term research projects.

Huiying Sun, Senior Statistician


PhD, M.Sc.
Pharmacoeconomics Program

Research Interests

  • Statistical modeling and computing
  • Cost-effectiveness analysis
  • HIV/AIDS epidemiology

Dr. Huiying Sun has a PhD in Mathematics from Harbin Institute of Technology, China, and a master’s degree in Statistics from University of British Columbia. She joined CHÉOS as a statistician in 2000.

Dr. Sun’s primary interest is in statistical modelling and computing. Her work includes statistical and mathematical consultation and data analysis. She has worked on cost-effectiveness studies of interventions for various diseases, such as hypertension, hip fraction, psoriasis, rheumatoid arthritis, and HIV/AIDS. The methods used in these analyses include the Markov model, Monte-Carlo simulation, probabilistic sensitivity analysis, and Bayesian meta-analysis. She is also interested in the research of HIV/AIDS epidemiology, especially health-related quality of life of HIV/AIDS patients.

May Lee, Senior Statistician

May holds a Master of Science in Statistics from Simon Fraser University and has over 10 years of experience providing support to clinicians and epidemiologists on clinical outcomes research in cardiovascular disease, and has been working with Karin Humphries for 15 years, including being part of the beginning of the BC Center for Improved Cardiovascular Health (ICVHealth) in 2013. Her expertise lies in working with administrative databases, carrying out complex linkages, and analyses.

Meijiao Guan, Statistician

Dr. Guan holds a PhD in Mathematics and a Master degree in Statistics, both from the University of British Columbia.

Prior to joining CHÉOS, Dr. Guan worked as a biostatistician at the Centre for Improved Cardiovascular Health (ICVHealth) with over 6 years of experience in the cardiovascular research setting. Her projects focused on evaluating factors associated short and long-term outcomes following various cardiac procedure in BC. She specializes in methodologies including mixed effects models for longitudinal data, survival analysis, meta-analysis and Bayesian random-effects meta-analysis. She is currently working the project which aims to identify care gaps for out-of-hospital cardiac arrest in BC using Canadian Resuscitation Outcomes Consortium and administrative databases.

Monica Norena, Statistician

Monica Norena

M.Sc., Critical Care Research

Patrick Daniele, Statistician

M.Sc. in Population and Public Health, Biostatistics Concentration (2019 Completion)
B.Sc. Statistics

Patrick holds a Bachelor of Science in Statistics from Simon Fraser University and is currently completing a Master of Science in Population and Public Health specializing in biostatistics at the University of British Columbia. His master’s thesis uses administrative data to assess trends, prescription patterns, outcomes, and inequalities in the use of Non-Vitamin K Antagonist Oral Anticoagulants (NOACs) vs. Warfarin for treating non-valvular atrial fibrillation in Western Canada. Patrick is responsible for data access and management, study monitoring, database development, and statistical analysis.

Terry Lee, Senior Statistician

Terry Lee

PhD, M.Sc.

Dr. Terry Lee is a Statistician for the CIHR Canadian HIV Trials Network at CHÉOS. He received his PhD in Statistics from the University of Victoria and completed his postdoctoral research fellowship at Simon Fraser University in 2009. Part of his research involved collaborating with the Public Health Agency of Canada to develop and validate statistical tools for estimating hospital morbidity rate and cancer mortality rate in Canada. Dr. Lee’s work includes providing statistical consultation and analysis service to researchers in various areas, such as HIV/AIDS, obstetrics and gynaecology, gastroenterology, and critical care.

Tima Mohammadi, Health Economist

M.Sc., MA

Ms. Tima Mohammadi is a Health Economist with the pharmacoeconomics program of research, the Advancing Decision-Making in Medicine (DcIDE) group at CHÉOS.

She has a MA in Economics from Simon Fraser University and a M.Sc. in Socioeconomic Systems Engineering from the Institute for Management and Planning Studies (IMPS), Tehran. Tima has worked as a research analyst at Collaboration for Outcomes Research and Evaluation (CORE). She also held a faculty position at IMPS for seven years and conducted several research projects in economics evaluation and statistical analysis. Her research interests are focused on decision-analytic modeling and simulation, preference elicitation techniques (with a particular focus on using Bayesian methods in econometric analysis of discrete choice data), and health technology assessment.


Renée Cormier, Director, Grants and Research Development

Ms. Renée Cormier joined CHÉOS in the fall of 2017 as our Director, Grants and Strategic Research Communications at CHÉOS. She works on grant facilitation and other projects for the team. Renée holds a PhD in Applied Social Psychology from the University of Windsor, and has experience working within both the academic and health authority sectors.

Michaela Davies, Director of Communications

Michaela Davies joined CHÉOS in the spring of 2019 as our Director of Communications. Michaela holds a Masters in Communications and has a breadth of experience working within heath care non-profits, as well as large, publicly traded organizations.


Sean Sinden, Communications and Knowledge Translation Officer

Mr. Sean Sinden joined the Communications Department in February of 2016. He holds a Master of Science degree from UBC and works concurrently with the CIHR Canadian HIV Trials Network (CTN).


Health research in the heart of Vancouver