Upcoming International Conferences in Montreal – Fall 2025

Montreal is set to host a diverse array of international conferences in Fall 2025, reinforcing its reputation as the top city in the Americas for international meetings (Source: blog.mtl.org). From cutting-edge tech summits to global healthcare congresses, professionals across industries will find events tailored to their interests. Below, we organize the major conferences (September through November 2025) by industry sector, detailing each event’s focus, dates, venue, scale, notable highlights, and official websites.

Technology and Digital Innovation

• ALL IN 2025 (Sept 24–25, 2025) – Canada’s largest AI conference, held at the Palais des congrès de Montréal. ALL IN convenes 4,000+ AI professionals and decision-makers from 40+ countries to “shape innovation and collaboration” in an emerging AI-powered economy (Source: allinevent.ai). Led by Canada’s AI supercluster (Scale AI) in partnership with Mila, this summit features world-renowned AI experts (2018 Turing Award laureate Yoshua Bengio was a featured speaker in 2024) and explores transformative AI applications across industries (Source: allinevent.ai)(Source: allinevent.ai). (Website: allinevent.ai)

• Conference on Language Modeling 2025 (Oct 7–10, 2025) – A new academic conference exclusively focused on language model technology. Taking place at the Palais des congrès, COLM 2025 will be a single-track, three-day event (plus workshops) bringing together researchers from diverse disciplines to “understand, improve and critique” the development of large language models (Source: colmweb.org). The goal is to foster a cross-disciplinary community around advances in generative AI and NLP. Around 2,000 attendees are expected (Source: blog.mtl.org), with a program including invited keynotes, paper sessions, posters and special workshops. (Website: colmweb.org)

• Forum InCyber Canada 2025 (Oct 14–15, 2025) – A major international cybersecurity forum at the Palais des congrès, positioned as a “pivotal hub for international collaboration” in cyber defense (Source: blog.mtl.org). This event connects experts and leaders from Canada, the U.S., Europe and beyond to address issues of digital trust, cyber threats, and security policy. The 2025 forum (organized by FIC North America) is expected to draw over 5,500 attendees(Source: blog.mtl.org). Attendees can anticipate high-profile speakers (government cyber officials, CISOs, etc.), industry panels, and networking aimed at strengthening global cyber resilience. (Website: northamerica.forum-incyber.com)

• GoSec 2025 (Sept 10–11, 2025) – A long-running cybersecurity conference in downtown Montreal (with hybrid in-person and virtual format). GoSec, now in its 20th year, unites security professionals across sectors for knowledge sharing and skills development (Source: prnewswire.com). The 2025 edition will host ~1,500 attendees, featuring 40+ sessions and 6 keynotes by renowned experts on topics from threat intelligence and DevSecOps to AI in security (Source: prnewswire.com). Notably, GoSec embraces a hybrid model to maximize accessibility, and includes an expo of cutting-edge security solutions (Source: prnewswire.com)(Source: prnewswire.com). (Website: gosec.net)

• Montreal International Game Summit (MIGS) 2025 (Nov 11–12, 2025) – The premier business-to-business video game industry conference in Canada, celebrating its 21st edition. MIGS 2025 will take over the Grand Quay in Montreal’s Old Port, expanding into a larger venue with dual showfloors (Source: eventsforgamers.com). Known as Canada’s largest and longest-running game dev summit(Source: eventsforgamers.com), MIGS draws game developers, publishers, and tech providers from around the world. The focus is on industry networking, partnership building, and knowledge exchange – with content tracks on game development best practices, external development (ExDev), industry trends, and business growth. International attendees can expect world-class speakers and an indie games showcase, all set in one of the world’s top video game production hubs (Montreal) (Source: montrealinternational.com)(Source: eventsforgamers.com). (Website: migs.biz)

Business and Finance

• Canada Fintech Forum 2025 (Sept 22–23, 2025) – A landmark international fintech gathering held at the Fairmont The Queen Elizabeth hotel. Now in its 12th year, this forum is organized by Finance Montréal and brings together over 1,400 industry leaders, startup founders, investors, academics and policymakers in finance (Source: montrealinternational.com). The theme “Fintech Forward: Navigating the Next Era of Innovation” frames two days of insight into emerging financial technologies, AI applications in finance, evolving regulations, and global industry trends (Source: montrealinternational.com). Expect high-profile keynotes, expert panels, a startup demo competition, and targeted networking (including B2B meetings and receptions). The forum’s mission is to showcase Canada’s fintech talent and foster collaboration in the financial services sector (Source: forumfintechcanada.com)(Source: montrealinternational.com). (Website: forumfintechcanada.com)

• ADRP 2025 International Conference (Sept 16–19, 2025) – The annual global conference of the Association of Donor Relations Professionals, hosted at Le Centre Sheraton Montréal. This event gathers fundraising and advancement professionals from nonprofits, universities, and charities worldwide to share best practices in donor engagement and stewardship. The 2025 theme “Passport to Partnerships” highlights the power of strategic partnerships – whether collaborating across internal teams or with external stakeholders – to drive success in fundraising and donor relations (Source: conference.adrp.net). The conference spans workshops, keynotes, and networking focused on improving donor communication, retention, and philanthropy strategy in an international context. (Website: conference.adrp.net)

Science and Engineering

• IEQ 2025 Conference (Sept 24–26, 2025) – A specialized engineering conference on Indoor Environmental Quality (IEQ), co-organized by ASHRAE and the International Air Ventilation Congress (AIVC). Taking place in Montreal (as the 45th AIVC and 13th TightVent/11th Venticool combined meeting), the conference theme is “Rising to New Challenges: Connecting IEQ to a Sustainable Future.” Sessions will spotlight the latest research and practices in healthy buildings – covering thermal comfort, indoor air quality, ventilation, building tightness, lighting and acoustics – with an emphasis on resilience to climate change (Source: ashrae.org)(Source: ashrae.org). Experts from around the world will lead seminars on topics ranging from smart sensors and post-COVID HVAC design to IEQ in Indigenous communities (Source: ashrae.org)(Source: ashrae.org). Keynote speakers (e.g. Dr. Jelle Laverge of Belgium) will present new performance-based approaches for indoor air quality management (Source: ashrae.org). (Website: via ASHRAE – Indoor Environmental Quality Conference 2025)

• 17th PEACe Conference (Sept 14–18, 2025) – The PEACe conference (Protein Expression in Animal Cells) is a biennial international scientific meeting in biotechnology, coming to Montreal for 2025. It convenes researchers and biopharma industry experts to discuss advances in recombinant protein production, bioprocessing, and cell engineering(Source: peace-conference.org)(Source: peace-conference.org). Highlighted themes for 2025 include novel expression systems, cell line engineering, multi-specific antibody formats, product quality, biomanufacturing “omics” and AI tools, and viral particle production (Source: peace-conference.org). The conference fosters an intimate, collegial environment for knowledge exchange (continuing a 33-year tradition of PEACe meetings (Source: peace-conference.org)). Notably, keynote speakers in 2025 include Dr. Christopher Corbeil (National Research Council Canada) speaking on AI-driven antibody discovery, and Dr. Samuel H. Sternberg (Columbia University, USA) presenting new research on CRISPR-based gene insertion technologies (Source: peace-conference.org)(Source: peace-conference.org) – underscoring the event’s cutting-edge scope. (Website: peace-conference.org)

Healthcare and Medicine

• Neurocritical Care Society (NCS) 23rd Annual Meeting (Sept 18–21, 2025) – A leading conference for specialists in neurological intensive care, to be held at the Palais des congrès. NCS is the only global professional society representing multi-disciplinary neurocritical care teams, and its annual meeting is the field’s largest gathering (Source: blog.mtl.org). The 2025 meeting in Montreal will share leading-edge research and education aimed at improving outcomes for patients with life-threatening neurologic illnesses (Source: blog.mtl.org). Attendees (~1,500 expected) include neurologists, neurosurgeons, intensivists, nurses, pharmacists and researchers from around the world (Source: blog.mtl.org). The program features scientific updates on brain injury management, stroke and coma care, workshops, and plenary talks by internationally recognized experts. (Website: neurocriticalcare.org – NCS 2025 Annual Meeting)

• International Symposium on Pheochromocytoma (ISP 2025) (Sept 18–20, 2025) – A niche medical research symposium hosted at the Centre Hospitalier de l’Université de Montréal (CHUM). This meeting focuses on pheochromocytoma and paraganglioma, rare neuroendocrine tumors. The Pheo Para Alliance and research centers organize the symposium to foster collaboration and support early-career investigators in this field (Source: pheopara.org). Scientists and clinicians from around the globe will share the latest findings in genetics, diagnostics, and treatment of these tumors. The event offers a highly specialized forum to “fuel the pipeline of future research” on pheochromocytoma (Source: pheopara.org), featuring expert panels and young investigator presentations. (Website: via Pheo Para Alliance – ISP 2025)

• ISPAD 2025 – 51st Annual Conference (Nov 5–8, 2025) – The International Society for Pediatric and Adolescent Diabetes (ISPAD) will hold its annual world congress in Montreal (Palais des congrès). ISPAD is the leading global organization dedicated to youth diabetes, and the conference will convene endocrinologists, diabetes educators, researchers and policy advocates from dozens of countries. The aim is to advance clinical and scientific knowledge, promote education, and advocate for better care for children and young adults with diabetes (Source: blog.mtl.org). Over four days, attendees (≈1,500 expected (Source: blog.mtl.org)) will benefit from scientific symposia on cutting-edge research, hands-on workshops (e.g. new technologies in glucose monitoring), and sessions on psychosocial support and diabetes education. The international scope and exchange of best practices make this a must-attend for pediatric diabetes professionals. (Website: 2025.ispad.org)

Sports, Education & Society

• AASP 2025 Annual Conference (Oct 15–18, 2025) – The largest global conference on sport and performance psychology, organized by the Association for Applied Sport Psychology, comes to the Montréal Convention Centre. This event attracts applied practitioners who work with elite and youth athletes, coaches, and performers, as well as researchers in sports science. The conference offers 100+ workshops, lectures, panels, and symposia covering the latest techniques in improving mental performance and well-being of athletes (Source: appliedsportpsych.org). Attendees gain continuing education credits and networking opportunities with thought leaders and training directors in the field (Source: appliedsportpsych.org). Keynotes often feature prominent sport psychologists and Olympians sharing insights on motivation, team dynamics, and mental health in sport. (Website: appliedsportpsych.org – 2025 Conference)

• WEI International Conference on Education, Humanities & Social Sciences (Oct 7–8, 2025) – An academic conference hosted at Concordia University (and also offering online participation), organized by the West East Institute. Scholars, educators, and students from around the world will convene to present research across disciplines such as education theory, pedagogy, literature, sociology, and more. The forum welcomes a broad range of topics, with all accepted papers published in the conference proceedings (ISSN 2167-3179) (Source: conferencealerts.com). This international academic gathering is one of several WEI conferences in Montreal (others concurrently cover business, economics, and STEM education) (Source: conferencealerts.com)(Source: conferencealerts.com), aimed at fostering cross-cultural academic exchange. (Website: westeastinstitute.com – WEI Montreal 2025)

• CAEH25 – National Conference on Ending Homelessness (Oct 28–30, 2025) – A major forum on homelessness and housing solutions in Canada, taking place at the Palais des congrès. Now in its 12th year, CAEH’s annual conference is a catalyst for change: over 85% of participants report implementing changes in their community’s response to homelessness based on lessons learned here (Source: caeh.ca). The conference brings together 2,000+ people including frontline service providers, researchers, Indigenous leaders, policy-makers, and those with lived experience of homelessness (Source: blog.mtl.org). Over three days, CAEH25 will feature 100+ sessions (panels, workshops, keynote talks) covering effective strategies in housing first, prevention, mental health, and Indigenous homelessness, among others. It’s an opportunity for attendees to learn from each other, network and return home with “actionable tools” to accelerate an end to homelessness (Source: caeh.ca). (Website: conference.caeh.ca – CAEH25 Montreal)

Each of these conferences underscores Montreal’s vibrant role as an international meeting hub in Fall 2025. Professionals planning to attend can look forward to rich knowledge exchange, networking opportunities, and even hybrid/virtual access in many cases – all set against the backdrop of a dynamic, multicultural city known for its hospitality. Montreal’s fall 2025 lineup truly spans the spectrum of industries and disciplines, offering something for experts in technology, science, healthcare, business, the arts, education, and social development alike.

Sources:

• Tourisme Montréal – “Major events coming to Montréal in 2025”(Source: blog.mtl.org)(Source: blog.mtl.org) (Source: blog.mtl.org)(Source: blog.mtl.org)

• Montréal International – Event listings for 2025 (Fintech Forum, MIGS, etc.) (Source: montrealinternational.com)(Source: eventsforgamers.com)

• Conference official websites and press releases: ALL IN (Scale AI) (Source: allinevent.ai)(Source: allinevent.ai), COLM 2025 (Source: colmweb.org)(Source: blog.mtl.org), GoSec 2025 (GoSecure) (Source: prnewswire.com)(Source: prnewswire.com), ASHRAE/AIVC IEQ 2025 (Source: ashrae.org)(Source: ashrae.org), PEACe 2025 (Source: peace-conference.org)(Source: peace-conference.org), NCS 2025 (Source: blog.mtl.org)(Source: blog.mtl.org), Pheo Symposium (Pheo Para Alliance) (Source: pheopara.org), ISPAD 2025 (Source: blog.mtl.org), AASP 2025 (Source: appliedsportpsych.org), WEI Montreal 2025 (Conference Alerts) (Source: conferencealerts.com), CAEH25 (Canadian Alliance to End Homelessness) (Source: caeh.ca)(Source: caeh.ca), ADRP Conference 2025 (Source: conference.adrp.net), Canada Fintech Forum (Finance Montréal) (Source: montrealinternational.com), MIGS 2025 (Events for Gamers) (Source: eventsforgamers.com).