Louis-Etienne Dionne.
Managing Director
Leadership
17 years of digital.
Louis-Etienne founded Vekselle in Montréal in 2024. He’s spent 17 years planning, creating, buying and optimizing campaigns for brands across North America.
The Vekselle team specializes in digital strategy, media management, data pipelines and AI product development.
We work with agencies and brands in
- Chicago.
- New York.
- Toronto.
- Montréal.
WE’VE WORKED WITH.
- Pharma
- Healthcare
- Automotive
- Trade finance
- Consumer goods
- Coffee
- Public sector
- Agency
- Consumer brand
- Non-profit
- Agency
- Venture capital
- Agency
- Wellness
- Spa and wellness
- Agency
- Agency
- Entertainment
- Agency
Recent projects.
See all projects
Client
Smith Senior Living
Agency partner
DHD Chicago
Digital media buying and growth campaigns
Full search and social buying for Smith Senior Living: account structure, geographic targeting, budget pacing and week-over-week optimization against agreed lead goals, cutting cost per acquisition 88% while web conversions rose 5X on 40% less spend.
Client
Biora
Brand partner
Kefiplant
Brand refresh and in-store market growth
Refreshed Biora's wellness brand and rebuilt its digital presence: brand positioning, product storytelling and retail-ready content prepared for rollout across new Canadian territories, supporting 1,577 units sold against 499 the year before, up 216% in units and 169% in sales from January to August 2026.
Client
AstraZeneca
Agency partner
Klick Health
FARXIGA global digital program
Rebuilt AstraZeneca's FARXIGA program as social-first, not recycled television: five platforms each with its own job, a Spanish-first experience and a three-track cultural calendar, reaching 18.9M at-risk Americans at 41% lower CPMs. A parallel physician strategy lifted retargeting 2.2x and cut congress CPMs 43%.