Simon Lejeune
Growth Executive · Entrepreneur · Fintech · AI · Politics
Simon is the Chief Growth Officer at Wealthsimple ($10B, fintech). Belgian-born entrepreneur in Montreal, he led growth at the two highest-valued consumer tech companies in Canada — Wealthsimple and Hopper ($5B, travel app). Built and sold a growth agency (acquired by Wealthsimple). Advises venture-backed startups in fintech, crypto and AI.
From 2019 to 2025, Simon led digital strategy for Les Engagés, a Belgian political party that he helped double its vote share from ~11% to ~21% and return to all levels of government.
Experience
Chief Growth Officer — Wealthsimple
- Grew investing & banking app to 3M+ clients and $100B+ in assets, targeting $1T
- Lead a 40+ person growth team; manage a budget in the hundreds of millions
- Added hundreds of millions in annual revenue
- Promoted from Senior Director → VP Growth → Chief Growth Officer
Founder & CEO — Mile End Growth
- Boutique growth agency serving a dozen venture-backed startups
- Acquired by Wealthsimple in 2021
Head of User Acquisition — Hopper
- Grew app to 1M+ monthly installs; built the "Hopper Ads Engine" focused on automation and growth engineering
- Keynote speaker at Advertising Week NYC, MAU Vegas, Mobile Growth Summit, Montreal Startupfest, Digital Travel Summit, Phocuswright Conference
Director of Marketing — Busbud
- Award-winning Google strategy (Prix Médias); automated campaigns across 500K routes in 7 languages
Politics
Digital Strategy Lead — Les Engagés
- Led social media advertising as the party doubled its vote share from ~11% to ~21% and returned to all levels of government
- #1 francophone party in Meta ad spend; +831% increase vs. 2019 cycle
Communications & Strategy Advisor — Énergies Beaurinoises
- Communications and strategy for Marc Lejeune, Mayor of Beauraing and Member of Parliament. Won 75% of the vote in 2024 — third consecutive mandate
Selected Press & Writing
Wealthsimple
- Wealthsimple hits $100-billion in assets
- “The most successful growth engine ever built in this country”
- 3 disruptive trends that will shape marketing in 2022
Hopper
- The story behind Hopper, one of the fastest-growing travel apps ever
- Hopper doesn't play by the book on mobile user acquisition
Politics
- Le Vlaams Belang a dépensé plus de 100.000€ sur Facebook
- Les Engagés dépassent le Vlaams Belang en pub sur les réseaux sociaux
- Les dépenses records des partis belges en pub sur les réseaux sociaux
Podcasts & Interviews
- Il gère la croissance d'une boîte valorisée à 10 milliards
- 2 keys to be a top 5% marketer
- How Wealthsimple reached $100B in assets in 10 years
- La fois où j'ai fait élire mon père à la mairie
- Comment générer 100.000 téléchargements en 24h
- Un million$ sur Facebook par mois
- 30 under 30: Simon Lejeune, esprit d'aventure