David is one of Canada’s best known and most respected public opinion analysts, pollsters, and social researchers. He works with some of North America and Europe’s biggest and most respected brands, associations, and unions and is frequently called upon by news organizations, to assess public opinion as events happen.

He speaks to thousands of people in audiences from massive national conferences to intimate briefings in boardrooms across North America and Europe.

Earning a PhD in Political Science from the University of Calgary in 2010, David is an expert on survey research methodology, corporate reputation, public affairs, voting behaviour, and the intersection of public opinion and public policy. He is a professor in the Graduate Program of Political Management at Carleton University where he teaches courses in polling, political marketing, and designing public affairs strategies.

Outside of Abacus, David is also involved in his community. He’s a member of the Board of Directors of the Ottawa Board of Trade and Ottawa Riverkeeper and on the policy committee of Imagine Canada.

Obsessed with all things cycling, David brings his bike anywhere he can, exploring the landscape, food, and people of places all around the world. He is also active and a sponsor of Canada’s only professional cycling team Toronto Hustle.

He also curates and writes a personal newsletter – inFocus with David Coletto – that is read by thousands of business, political, and community leaders.

Dr. Joss Reimer served as chief medical officer for the Winnipeg Regional Health Authority. Before this, she worked as medical lead and official spokesperson for Manitoba's COVID-19 Vaccine Implementation Taskforce and as the medical director of public health for Winnipeg. She has expertise in health equity, immunizations, sexually transmitted and blood-borne infections and harm reduction. Dr. Reimer spent nine years as director of population health for undergraduate medical education at the University of Manitoba, where she developed and directed the four-year population health course still used today. She also maintains a clinical practice in maternity care, labour and delivery at Women's Hospital. Voted Humanitarian of the Year by Doctors Manitoba, Dr. Reimer is passionate about physician wellness and public health. Dr. Reimer grew up in rural Manitoba. She completed medical training at the University of Manitoba and McMaster University, training several years in obstetrics and gynecology before finishing a public health specialty. She completed a master’s in public health degree with a project focused on health communication in Nairobi, Kenya. Dr. Reimer speaks three languages and has received several additional awards including the Queen Elizabeth II's Platinum Jubilee Medal, the Government of Manitoba's Pandemic Medical Hero Award and the St. John Ambulance Pandemic Medallion.

Dr. Theresa Tam was named Canada's Chief Public Health Officer (CPHO) in June 2017. As the federal government's lead public health professional, she provides guidance to help protect the people of Canada against health threats, advance health equity and promote healthier communities, using the best available data and evidence.

Dr. Tam is a pediatric infectious disease specialist with expertise in immunization, emergency preparedness and global health security. As Canada's national public health leader, she has played an instrumental role in helping to guide Canada's response to the COVID-19 pandemic, including the rollout of the largest vaccination campaign in Canadian history. She has also played a leadership role in Canada's response to other public health emergencies, including severe acute respiratory syndrome (SARS), pandemic influenza H1N1, Ebola virus disease and mpox.

Dr. Tam has held senior leadership positions at the Public Health Agency of Canada, including as Deputy CPHO and as Assistant Deputy Minister of Infectious Disease Prevention and Control.

During her over 25 years in public health, Dr. Tam has provided technical expertise and leadership to improve surveillance of communicable diseases and opioid harms, enhance immunization programs, strengthen health emergency management, and augment laboratory biosafety and biosecurity.

Craig Silverman is an award-winning journalist and author and one of the world's leading experts on online disinformation, fake news, and digital investigations. He is a reporter for ProPublica covering voting, platforms, disinformation, and online manipulation. Craig previously served as media editor of BuzzFeed News, where he pioneered coverage of digital disinformation and media manipulation.

Craig trains journalists all over the world in digital investigative, OSINT, and debunking techniques. He writes a free email newsletter called Digital Investigations that offers tips and techniques, links to resources, and analysis of the digital ecosystem. He serves as the lead instructor for the Global Investigative Journalism Network's Digital Threats training program; as a mentor for the International Center For Journalists' Disarming Disinformation program; and he teaches a digital investigations course at Toronto Metropolitan University. 

Craig is the editor of the European Journalism Centre’s Verification Handbook series. These free online books offer world-class guidance on how to verify online content and investigate disinformation and media manipulation.

Craig received a George Polk Award for a series of stories that revealed "how Facebook exposes the public to disinformation, fraud and violence." His work on a ProPublica investigation into Google's ad business won the Data Journalism and Media/Entertainment categories at the Society of American Business Editors and Writers' Best in Business awards. 

Craig was named to the Politico 50 for his work exposing fake news and its effect on American politics and is the recipient of the Carey McWilliams Award from the American Political Science Association, which honors “a major journalistic contribution to our understanding of politics.” Craig's series exposing a global Facebook scam was named investigation of the year by the Canadian Association of Journalists. His journalism and books have also been honored by the Mirror Awards, U.S. National Press Club, and National Magazine Awards (Canada).

Craig was previously the founding editor of BuzzFeed Canada and the founder of Emergent.info, a rumor tracking project that was developed as part of a research fellowship with the Tow Center for Digital Journalism at Columbia University. His research resulted in the publication of "Lies, Damn Lies, and Viral Content: How News Websites Spread (and Debunk) Online Rumors, Unverified Claims and Misinformation." From 2004 to 2015 he wrote Regret The Error, a blog about media accuracy and corrections, which became part of the Poynter Institute for Media Studies and was the basis for an award-winning book of the same name.

In 2010, Craig was part of the team that launched OpenFile, an online news startup the delivered community-driven reporting in six Canadian cities. He is the former managing editor of PBS MediaShift and has been a columnist for The Globe And Mail, Toronto Star, and Columbia Journalism Review. Craig is also the author of the award-winning book, "Mafiaboy.”

Angela Pacienza is the Executive Editor at The Globe and Mail. The role includes guiding the newsroom and helping set coverage priorities, as well as oversight of the programming, editing and visual journalism teams. She’s passionate about closing the gap between storytelling and audience. From breaking stories as a beat reporter at The Canadian Press to launching Canada’s first video wire service and overseeing a massive newsroom re-org at The Globe and Mail, Angela’s speciality is driving culture change to create more nimble, inclusive and forward thinking newsrooms.

Angela is currently co-Chair of ONA’s Toronto chapter. She was part of the ONA Women’s Leadership Accelerator, class of 2018, where her project focused on inclusion and its positive effects on news coverage and audience growth.

Elamin Abdelmahmoud is the host of CBC Radio’s daily arts, pop culture and entertainment show COMMOTION, and a former writer for BuzzFeed News. His work has appeared in the Globe and Mail, Maclean's, Rolling Stone and others. Elamin is the author of Son of Elsewhere: A Memoir in Pieces, a number one national bestseller, a Globe 100 book, and a New York Times notable book.