On AI Lounge since Oct 2026
Timo-Pekka Leinonen
Member #67FounderBetaL1CEO & Co-Founder, Master English
AI app that helps adults reach advanced, career-ready English
Building outstanding mobile apps to learn advanced English
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Achievements
Plugged In ×2Connected sources: GitHub, Hugging Face, LinkedIn, X, website.How: Connected 2 sources (GitHub, LinkedIn, X or a website) in Settings
Plugged In×2Featured
RegularMasterminds attended.How: Attended 1 live mastermind
Regular
Early BirdJoined a mastermind within 14 days of joining AI Lounge.How: Joined a mastermind within two weeks of signing up
Early Bird
VerifiedFounder whose ARR is verified on AI Lounge. Comes with the blue check next to their name.How: ARR verified on Lounge
Verified
Founding MemberOne of the first 500 members.How: Joined AI Lounge in the founding cohort
Founding Member
SpotlightWas the AI Lounge Featured Member for a day.How: Featured Member
Spotlight
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About
Timo-Pekka Leinonen is CEO and co-founder of Master English, a Tampere-based company whose app helps adults in North, Central and South America as well as in the first markets in Europe to reach the advanced English skill they need for their careers, using AI and personalized learning. He previously led WordDive, a digital language learning service, and his core team has worked together for more than a decade building language learning products. Timo is now focused on growing Master English and its patented Speak with AI technology for spoken English practice.
Categories
Skills
Raises & exits
Member Raises$2.2M+
Led by Privanet
Master English Oy, formerly WordDive Group Oy, has $2.2M+ in disclosed outside funding: €320k from Birch Venture Capital (2015) and a €1.5M share issue via Privanet (2018), both raised under the WordDive name, with later share issues and crowdfunding not counted.
Earlier companies
WordDive
€2.04M (~$2.15M)
WordDive
€715K (~$800K)
WordDive
€1.5M (~$1.85M)
WordDive
€1.27M (~$1.35M)
WordDive
€320K (~$360K)
Exits
Hall of Fame →Undisclosed
WordDive was sold in 2023 into a joint venture with Otavamedia.
Experience
CEO at Master English
Education
TC
Tampere Chamber of Commerce & Industry
Aalto University Executive Education and Professional Development
AO
Association of International Education, Japan & the Japan Foundation
TU
Tampere University of Technology 1965 - 2018
ML
Messukylän Lukio
UO
University of Tampere 1925 - 2018
