Dr. Tyler Marshall is a researcher, consultant, and educator specializing in addiction, mental health, and evidence-based drug policy. He holds a PhD in Psychiatry, an MPH, and has completed postdoctoral fellowships in digital mental health and virtual harm reduction.
Tyler has published widely on youth substance use, opioid policy, and public psychiatry. He is an experienced methodologist and study designer, working with policymakers and organizations to develop data-driven solutions that improve health outcomes.
As the founder of Marshall Clinical Research Consulting, Tyler leads research, evaluation, and education initiatives. He is also a passionate teacher who develops courses to support students, professionals, and organizations in applying evidence-based practices.
Click the links to explore his research and CV below.
Fernanda Talarico is a biostatistician and health researcher specializing in data analysis, mental health, and science communication. She has contributed to numerous studies on mental health outcomes, the impact of the COVID-19 pandemic, and predictive modeling in psychiatry. Currently, she applies advanced statistical methods to health and pharmaceutical research. Passionate about knowledge translation, Fernanda has developed and delivered educational content on biostatistics and artificial intelligence in medicine, engaging diverse audiences from academia to industry. She is also an advocate for mental health awareness and data-driven decision-making in healthcare.
Vatsal leads the AI and machine learning development for our substance use chatbot, bringing a strong focus on ethical innovation and interdisciplinary collaboration. He specializes in designing cutting-edge AI/ML models and establishing governance frameworks that align with global standards for responsible AI.
With a Postgraduate degree in Artificial Intelligence from Durham College and formal training in Project Management, Vatsal combines technical expertise with strategic insight. His previous role at INQ Consulting saw him develop robust machine learning pipelines and privacy assessment tools, enhancing both compliance and operational performance.
Vatsal’s work sits at the intersection of innovation, ethics, and real-world impact—driving forward the responsible application of AI in digital mental health.
Ariana Lewis is a Master of Science student in the Department of Biochemistry and Biomedical Sciences at McMaster University, supervised by Dr. Deborah Sloboda. She holds a BHSc (Honours) from Queen’s University with a perfect GPA, recognized on the Dean’s Honour List with Distinction. Supported by a Canada Graduate Scholarship – Master’s (CGS-M) and the CIBC Graduate Bursary in Breast Cancer, Ariana’s research focuses on the developmental origins of health and disease, and she is currently investigating how maternal obesity impacts decidual immune cell populations and uteroplacental hypoxia in early pregnancy. She has presented her work at national conferences and remains passionate about advancing research in women’s health.
Ariana is skilled in immunohistochemistry, microscopy, animal handling, and image analysis using QuPath, with additional experience in statistical analysis with R, qualitative research methods, and science communication. Alongside her lab work, she contributes to clinical research as an intern with Marshall Clinical Research Consulting. Ariana also brings a unique perspective from her earlier career as an award-winning professional musician, combining scientific curiosity with creativity and a strong commitment to public health.
