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Data Management

Maria Agda, Data Clerk

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

Melissa Babra, Data Manager





B.Sc., M.Sc.(c)

Melissa Babra joined CHÉOS/CTN in December 2018 and is a Data Manager, responsible for creating, maintaining and locking databases. She has over 6 years of experience working in various aspects of industry-sponsored and investigator-initiated clinical trials, including site management, data management and safety/adverse event reporting. She is currently pursuing her Masters degree in Epidemiology with the University of London via distance learning.

William Chau, Senior Data Manager






William Chau joined CHEOS/CTN as a Senior Data Manager in 2019. He is responsible for supporting and executing data management activities for clinical trials. Prior to joining CHEOS/CTN, he worked for the BC Centre for Excellence in HIV/AIDS.

Erica Jaaf, Data Management Operations Lead

BA (Hons), Certified Clinical Data Manager

A university-educated and industry-certified clinical data management professional with 17 years’ experience, Erica is the Data Management Operations Lead at CHÉOS/CTN. She is responsible for the organization and execution of CHÉOS/CTN data processes and strategies, including all data capture, storage, and retrieval processes. In addition to comprehensive data management activities for specific trials, from study start-up to database lock, Erica provides team oversight for the data management team and support staff, scope forecasting and projections, and cross-functional collaboration on work processes and standard operating procedure development.

Nisha Shewaramani, Data Manager

MD., BSc

Nisha joined CHÉOS and the CTN in January 2020 as a Data Manager. She has clinical research experience from Hamilton Health Sciences (ON), Sick Kids Hospital (ON) and Mount Sinai Hospital (ON). She recently worked as a medical doctor at a high volume community hospital in Mumbai, India. Nisha holds a BSc in biotechnology and molecular biology from the University of Waterloo and an MD from St Matthews University School of Medicine.

Project Management

Judy Chiu, Project Manager






Ms. Judy Chiu joined the Pharmacoeconomics program at CHÉOS in 2009 as a summer research student. She is currently a Project Manager working with Dr. Nick Bansback in the Decision Sciences Program and provides support to the Health Economics Program led by Dr. Wei Zhang. Her current projects seek to improve decision-making at the patient/physician consultation using decision support tools.

Jayamarx Jayaraman, Project Manager






Mr. Jayaraman is an experienced clinical research professional who is involved in project management, site management, site coordination, and monitoring for CHÉOS/CTN studies.

Salima Jutha, Project Manager






Salima Jutha is a clinical trial specialist with over 14 years of experience in coordinating and managing clinical trials. She obtained her B.Sc. in Biology from SFU and has taken specialty courses in clinical research at the British Columbia Institute of Technology. Her expertise is in ensuring GCP compliance at the site and sponsor level, Health Canada regulatory submissions, and safety and project management.

Recent projects include the North American Opiate Medication Initiative (NAOMI) study, for which she had a dual role as both trial coordinator and clinical project manager. She currently is the Clinical Trial Manager for the Study to Assess Long-Term Opioid Maintenance Effectiveness (SALOME) and also coordinates other CHÉOS-delegated studies.

Leslie Love, Senior Project Manager






Ms. Love joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) in October 2016. She is a certified clinical research professional with over 20 years’ experience in a variety of research settings, including at the site level, with sponsor-investigators, and at contract research organizations. Her primary role is to provide project management support to CHÉOS and CTN-supported investigators, as well as develop research training materials and programs.

Tara Martin, Project Manager



Tara Martin joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) as a Study Coordinator in 2018. She has more than 15 years of clinical trial experience working primarily in industry-funded research studies. She holds a BSc in Biopsychology from the University of British Columbia and is a passionate advocate for patients with disabilities.

Judy Needham, Senior Project Manager






Judy Needham joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) as a Project Manager in 2017. She has more than 9 years’ experience providing leadership and oversight in the management and coordination of investigator-initiated and industry-funded clinical research studies and is an experienced research program administrator. She holds a Ph.D. in Natural Products Chemistry from the UBC and a Certificate in Clinical Research from the British Columbia Institute of Technology. She is the current Advisory Committee Chair of the Clinical Research Professionals of British Columbia (CRPBC).

Shoshana Parker, Project Manager






Ms. Shoshana Parker is a Project Manager with CHEOS, currently managing studies reviewing the safety and efficacy of new asthma medications. She has been part of CHEOS as a research professional for 20 years and has worked on several different projects. Shoshana received certification from The Society of Clinical Research Associates and she also holds a Bachelor in Medical Laboratory Science from UBC and a diploma in Medical Laboratory Technology from the Michener Institute in Toronto (formerly the Toronto Institute of Medical Technology).

Laura Zunino, Project Manager






Ms. Laura Zunino joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) as a Project Manager in 2019. She has extensive experience working with patients and health care professionals and specializes in the end-to-end management and monitoring of investigator-initiated and industry-sponsored clinical research.  Prior to joining CHÉOS and the CTN, Laura worked for the Hospital for Sick Children (SickKids) and Mount Sinai Hospital in Toronto, Ontario in the areas of Haematology/Oncology and Infectious Disease research. She holds a Bachelor of Science in Pharmacology from McGill University, a certificate in Project Management from the University of Toronto and is certified as both a Clinical Research Professional by The Society of Clinical Research Associates (SOCRA) and a Project Management Professional by the Project Management Institute (PMI).


Kristin Westland, Director of Operations






Ms. Kristin Westland joined CHÉOS in 2010 as Director of Operations after working as the Programme Manager for the Collaboration for Outcomes Research and Evaluation in the Faculty of Pharmaceutical Sciences at the University of British Columbia. She is also the Chief Administrative Officer for the CIHR Canadian HIV Trials Network and has previously served as the Director of Operations for the provincial B.C. Centre for Improved Cardiovascular Health.

Before moving to British Columbia, Ms. Westland worked for a number of organizations in Massachusetts, United States, including Eaton Vance Management in Boston, where she was a research department assistant. Originally hailing from Kenora, Ontario, she is a Certified Management Accountant and Chartered Professional Accountant, and holds the Canadian Risk Management professional designation.

Janice Lo, Accountant





Janice is an accountant at CHÉOS/CTN and maintains the financial reporting for Drs. Eugenia Oviedo-Joekes and Peter Dodek. Her day-to-day tasks include, but not limited to, invoice processing, deposits, purchase orders, and assisting other accounting staff. She has been with CHEOS/CTN since 2008 and holds a diploma in Financial Management at BCIT/Capilano University.

Mohan Medapati, Systems Administrator





BE, MSc Network Computing

Mohan has a bachelor’s degree in Electronics and Communication, a master’s degree in Network computing, and eight years of of experience in systems, networking, and storage. He provides systems admininistration support at CHÉOS and dealS with Unix/Linux and VMware infrastructure

Jenna Pullen, Program & Committees Coordinator






Ms. Jenna Pullen joined the Centre in 2019 as the Program & Committees Coordinator to help support committees and process effectiveness at both CHÉOS and the CIHR Canadian HIV Trials Network (CTN). With a background in relationship management within post-secondary institutions and industry in Saskatchewan, Ms. Pullen also brings front-line social work experience in crisis intervention, mental health and a variety of justice roles. Ms. Pullen received a Bachelor of Social Work from the University of Regina as well as a Master’s of Business Administration from Edwards School of Business.

Carmen Rock, Executive Coordinator





Carmen Rock joined CHÉOS in 2017 as Kristin Wesland’s and Erin Cherban’s Executive Coordinator. Ms. Rock graduated from Simon Fraser University with a BA in Political Science and has spent her career working in health research. In addition to coordinating Ms. Westland’s and Ms. Cherban’s  administrative portfolios, she is also working to expand CHÉOS’ training opportunities.

Nicole Shum, Executive Assistant






Ms. Nicole Shum joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) in May 2017 as the Executive Assistant to Dr. Aslam Anis. She provides overall coordination support for administrative, financial, and research activities, such as grant applications, finance tracking, and editorial duties. Ms. Shum also volunteers at the Student Biotechnology Network as Director of Finance. She holds a Bachelor of Science degree in Biochemistry from the University of British Columbia.

Gina Willis, Senior Operations Manager





Ms. Gina Willis joined CHÉOS and the CTN in 2014. Involved in a range of centre operations, she manages the administration of financial, human resources, facility, communications, and operations functions, including CHÉOS’ research support and grant facilitation services. Ms. Willis previously worked for the B.C. Centre for Excellence in HIV/AIDS. She holds a bachelor’s degree in Psychology from Simon Fraser University and has a certificate in Project Management.

Christelle Vaz, Program Assistant





Christelle holds a certificate in Human Resources Management, SFU and is currently pursuing her Bachelors in Business Administration. She comes to CHÉOS from BC Cancer Research Centre where she was the HR Admin Coordinator. Christelle provides operational support to the Centre for Health Evaluation and Outcome Sciences (CHÉOS) and the CIHR Canadian HIV Trials Network (CTN) National Centre, including human resources (HR), administrative, facilities, events, communications, and special projects assistance and works closely with CHÉOS/CTN research and administrative staff, as well as CHÉOS faculty.

Rana Young, Human Resources Manager






Rana Young joined CHÉOS and the CIHR Canadian HIV Trials Network in 2015 and supports the centre of 130+ staff and research personnel as Human Resources Manager. With a focus on organizational behaviour, Rana brings a wealth of experience from a variety of professional settings including health care, academic, and government agency sectors. She holds a bachelor’s degree in Political Science and Literature from the University of British Columbia.

Regulatory Affairs

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, Project Coordinator

Ms. Mai Berger is a Project Coordinator with Dr. Amy Salmon.

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.

Levi Gordian, Research Assistant

Levi Gordian is a Research Assistant providing support on the Program of Outcomes Research on Treatment with Injectables for Addiction (PORTIA) study with CHÉOS Scientist Dr. Eugenia Oviedo-Joekes.

Ihoghosa (Muyi) Iyamu, Project Coordinator

Ihoghosa (Muyi) Iyamu is working as a Project Coordinator 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.

Brittany Buffone, Research Assistant (Pharmacy)

Ms. Brittany Buffone is a research assistant (pharmacy) working with Dr. Wei Zhang.

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.

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.

Louis Plottel, Research Assistant

Mr. Louis Plottel is a Research Assistant for Dr. Amy Salmon’s team at CHÉOS.

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.

Aleyah Williams, Research Coordinator

Ms. Aleyah Williams is a research coordinator working with Dr. Sarah Munro.

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.

Aanchel Gupta, Research Assistant

Ms. Aanchel Gupta is a research assistant working with Dr. Joseph Puyat.

Paige Tocher, Research Assistant

Ms. Paige Tocher is a research assistant working with Dr. Wei Zhang

Software and Programming

Mirek Piaseczny, Chief Information Officer





Dr. Mirek Piaseczny is responsible for information technology (systems and systems administration), as well as for software development and data management for CHÉOS and the CIHR Canadian HIV Trials Network (CTN).

He has over 30 years of experience in leading the development, implementation, and management of information technology solutions in areas of clinical research and the health care delivery process. His expertise includes clinical systems design, systems architecture, software development, interface development, and health data exchanges.

Dr. Piaseczny joined the CTN in 1992, not long after the founding of the Network. He has a master’s degree in Applied Mathematics from the University of Lodz (Poland–1978), and a PhD in Natural Sciences, Health Informatics from the Medical Academy of Lodz (1984). His work experience includes the B.C. Provincial Renal Agency, Circle Drugs, Ltd., and the Nofer Institute of Occupational Medicine. His professional interests include clinical trials, electronic health records, health registries, and administrative databases.

Levon Ambartsoumian, Senior Application Developer/Analyst

Mr. Levon Ambartsoumian obtained a Masters in Mathematics from the Lomonosov Moscow State University and has a strong background in database management and IT systems’ design and development. At CHÉOS and the CIHR Canadian HIV Trials Network (CTN), he is responsible for database and application servers’ deployment and administration. He also designs and supports IT applications for clinical and research programs.

Stanko Kovacevic, Database Programmer

Stanko Kovacevic

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

Victor Trot, Senior Application Developer/Analyst

Victor joined the CIHR Canadian HIV Trials Network (CTN) in 2012 as a database programmer and has a bachelor’s degree in computer science. He also works with the B.C Renal Agency (BCPRA) as an application developer.

Qi Xia, Application Developer/Administrator

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

Statistics and Health Economics

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 holds a Master of Science in Statistics from Simon Fraser University and worked over 15 years analyzing outcomes from BC’s Intensive Care Unit database under Dr. Peter Dodek’s supervision. Currently she provides statistical support to multiple research projects as part of the CHEOS team.


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.


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 health care non-profits, as well as large, publicly-traded organizations.


Phone: 604-682-2344 ext. 68306

Hannah Branch, Communications Officer





Ms. Branch joined the communications department in the fall of 2019. She holds a degree in Human Biology from the University of Birmingham and was previously the commissioning editor of Future Microbiology and Women’s Health. Hannah has worked for the CIG Healthcare Partnership, as well as in other healthcare communications and PR roles, developing campaigns across a variety of healthcare areas and winning the 2017 OTC Marketing Award for her work on health communications campaigns for Boots Pharmacy in the UK.

Sean Sinden, Communications and Knowledge Translation Manager

Mr. Sean Sinden joined the Communications Department in February of 2016. He holds a Master of Public Health degree and a Master of Science degree from UBC. Sean works with CHÉOS Scientists and staff to communicate information about research projects and their results and implications to a variety of audiences.


Phone: 604-806-8829

Louis Plottel, Communications Coordinator





Louis Plottel joined CHÉOS in early 2020 as a Research Assistant and Communications Coordinator. He holds a masters in Anthropology from SOAS University, London, as well as a BA from New York University Abu Dhabi. Louis works to bring a qualitative lens to public health research, with a particular focus on ethnographic methods and knowledge translation.


Phone: (778) 798-3396

Grants and Research Development

Iva Kulic, Director of Grants and Research Development





BSc, PhD

Dr. Iva Kulic joined CHÉOS and the CIHR Canadian HIV Trials Network (CTN) in 2020 as Director of Grants and Research Development. She has over 15 years of biomedical research experience spanning diverse therapeutic areas and programs in academia as well as Biotech and Pharmaceutical industries. Iva has led teams and collaborations across these sectors to advance R&D innovation. Her experience includes proposal development as principal and co-applicant, program funding and publication of manuscripts as both first and senior author. Iva holds a BSc in Cell and Molecular Biology from Simon Fraser University and a PhD in Cancer Research from the University of British Columbia

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