About
Adrian Johnston previously founded Una Brands, which reached $70M in annual revenue and raised $100M in funding. He holds bachelor's and master's degrees in mathematics from Oxford and a master's degree in public administration from Harvard, with a focus on AI policy.
Adrian Johnston @adrianjohnst
Wow this is insane!!! Massive congrats to @PhilipJohnston and the @Starcloud_ team on becoming a unicorn!! https://t.co/P1s9qOptFt
Mar 31, 2026 Β· β₯ 34 Β· β 3
Adrian Johnston @adrianjohnst
Nice https://t.co/IkMHLmTMgZ
Feb 1, 2026 Β· β₯ 6
Adrian Johnston @adrianjohnst
Thanks so much to @paulg and Jessica Livingston (founders of YC) for having us round your house! It was great to get PG's thoughts on our business. He said his advice for us was advice he has never given any other start-up! https://t.co/MaDzT2XCqt

Jan 26, 2026 Β· β₯ 1
Founder at Elyos AIYC S23
Intro paths
Adrian went through Y Combinator (Summer 2023) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer β the partner who ran Elyos AI's batch and knows the company first-hand. YC profile β
In turn, Adrian can intro founders to Elyos AI's investors below.
Elyos AI's investors Β· 4
Co-founders at Elyos AI
Experience
- Elyos AIFounder and Co-CEOcurrent2023 β present
- Y CombinatorYC S23 - Founder2023San Francisco, California, United States
- Una BrandsCo-Founder and CCO2021 β 2023Singapore, Singapore
- The Boston Consulting GroupSenior Consultant2016 β 2021Sydney, New South Wales, Australia
- Goldman SachsQuantitative Trader2013 β 2016London Area, United Kingdom
- King Solomon AcademyMaths Teacher - Teach First2010 β 2013
Education
- Harvard UniversityMaster of Public Administration - AI and Society2019 β 2020
- University of OxfordBachelor & Master's Degree, Mathematics
- INSEADMaster of Business Administration - MBA 19J2018 β 2019
- Harvard Business SchoolStudent2019 β 2020
- Godalming CollegeA levels - Maths (A), Further Maths (A)
Skills & more
+5 more
StatisticsTradingFrenchSpanishEnglishLanguages French Β· Spanish
From Adrian's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
Harvard University mafia283
Also came through, then founded or led a company.
+ 276 more
University of Oxford mafia203
Also came through, then founded or led a company.
+ 196 more
Harvard Business School mafia197
Also came through, then founded or led a company.
+ 190 more
Goldman Sachs mafia180
Also came through, then founded or led a company.
+ 173 more
Same school
Also attended Harvard University1,470
+ 1,464 more
Also attended University of Oxford912
+ 906 more
Also attended Harvard Business School2,000
+ 1,994 more
Shared employers
Also worked at Elyos AI4
Also worked at Y Combinator336
+ 330 more
Also worked at Una Brands5
Also worked at The Boston Consulting Group857
+ 851 more












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