Leadership Centre

Supporting leadership capacity building within Ontario.

Leadership Centre website

Enhancing leadership competencies, facilitating thoughtful discussion and examination of leadership issues for public health professionals.

Visit site

Community Food Advisor

Promoting safe and nutritious food selection, preparation and storage practices.

Community Food Advisor website

Community Food Advisors work in their community to improve and promote safe and healthy food selection, preparation, and storage practices.

Visit site

Public Health and You

Your questions about public health answered...all in one place.

Public Health and You website

Learn about why public health plays a vital role in ensuring the health of communities across Ontario!

Visit site

Ontario Public Health Association

Committed to improving the health of Ontarians.

OPHA website

Since 1949, OPHA has served as a catalyst for development in the Public Health sector.

Visit site

Nutrition Resource Centre

Credible public health nutrition at your fingertips.

Nutrition Resource Centre website

Strengthening the capacity of health professionals across all care settings and in all communities across Ontario.

Visit site
Contact Us

The OPHA is a not‐for‐profit member‐based association that provides leadership in advancing public health in Ontario. Our Association represents six public and community health disciplines and our membership represents many public health and community health professionals from Ontario. To learn more about us, our structure, strategic direction, or membership, please visit the following links:

The OPHA provides leadership on issues affecting the public's health and works to strengthen the impact of people who are active in public and community health throughout Ontario. For more information, please visit the following pages:

The OPHA creates and maintains advocacy initiatives with a province-wide perspective. For more information, please visit the following pages:

This section includes the latest news about the OPHA and its programs, upcoming OPHA events, and other news of interest to the public health sector. For more information, please visit the following pages:

The OPHA leads the development of expertise in public and community health through collaboration, consultation and partnerships. Learn more about our Constituent Societies here.

The OPHA leads the development of expertise in public and community health through collaboration, consultation and partnerships. Learn more about our Constituent Societies here.

The OPHA Member’s Lounge is a dedicated space reserved for our OPHA members to store and access important information and exclusive resources. The Lounge includes the following:

Core Staff

Core Staff

Pegeen Walsh

Executive Director

Pegeen is the Executive Director for the Ontario Public Health Association. Her role requires supporting and facilitating advocacy efforts in public health and capacity building and knowledge transfer and exchange initiatives within the province and beyond. Prior to OPHA, Pegeen has led the design and delivery of a wide range of programs, policies, partnerships, and research that have supported individual and community health and well-being.  As Ontario Regional Director with Health Canada, the Public Health Agency of Canada and Director at the Ontario Ministry of Health Promotion, she oversaw various health initiatives ranging from early child development, healthy eating, and tobacco control, healthy communities to injury, alcohol abuse and 2008 OPHS Standards.  As Director of Public Policy at YMCA Canada, she developed government relations training and strategies.  Just prior to joining OPHA, Pegeen was a Research Director at the Canadian Council for Public-Private Partnerships responsible implementing research strategy to advance knowledge and best practices.  Pegeen is also a Board member at Family Services Toronto, serving as chair of its Governance Committee. She holds a BA degree from University of Waterloo in Political Science.

Melanie Sanderson

Project Coordinator

Melanie serves as a Project Coordinator, and joined OPHA in Jan 2017 and has worked on several major projects including Keeping Kids Healthy and the Social Messages on Climate projects. She holds a MPH degree specializing in sociobehavioural science and has a background in health promotion and kinesiology. Melanie enjoys working on projects that bring together a range of partners that can through collaboration promote health for all in Ontario and beyond.

Kalden Lama

Coordinator, Membership Services, Public Health Policy & Practice

Kalden Lama serves as the Coordinator, Membership Services, Public Health Policy & Practice, and joined the OPHA in January 2019. Kalden’s primary responsibilities include coordination of OPHA’s workgroups, training workshops (e.g., webinars, in-person training), managing social media promotion, and supporting the Executive Director with analysis of notable and relative public health news.

She holds a Bachelor of Health Science from University of Western Ontario and a Master’s of Science Degree in Global Health. Kalden brings a range of experience from community building among marginalized populations in international and local contexts, project and event management, designing workshops, analyzing data and undertaking literature reviews, to advocating for social justice.


A core group of staff members comprises the Secretariat who, under the guidance of an Executive Director, provides administrative services to the Board of Directors, association members and workgroup volunteers, and responds to queries from the public.