About
William Collis previously founded Genji, a data platform. He holds an MBA from Harvard Business School and graduated from Amherst College, where he met co-founders Jen Herbach and Mark Yarchoan.
William Collis @william_collis
Super impressed to see my novel Eternity's Blade featured on @ageofsquidmar -- such an awesome rendering of the book's heroine as a GW miniature! Check out the full video here: https://t.co/dtlrinQLa7
Jun 18, 2026
William Collis @william_collis
Now that my debut fantasy novel, ETERNITY'S BLADE, has launched, many people have asked what I am most proud of? The endorsements of two industry luminaries: @LeeChildReacher & @cassieclare ! Trust their recommendations & grab your copy: https://t.co/z0Uo3JnO8G @BlackstoneAudio! https://t.co/A1wo246l4Z
Aug 25, 2025 Β· β₯ 1
William Collis @william_collis
If you haven't yet checked out ETERNITY'S BLADE, my debut fantasy novel, here's one more reason: This awesome hardcover flythrough created by @BlackstoneAudio! https://t.co/JImK6REbao And don't forget, the hardcover is still on sale: https://t.co/z0Uo3JolYe
Aug 22, 2025 Β· β₯ 4 Β· β 1
Founder at Adventris PharmaceuticalsYC W23
Intro paths
William went through Y Combinator (Winter 2023) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tom Blomfield, General Partner at Y Combinator β the partner who ran Adventris Pharmaceuticals's batch and knows the company first-hand. YC profile β
In turn, William can intro founders to Adventris Pharmaceuticals's investors below.
Adventris Pharmaceuticals's investors Β· 3
Co-founders at Adventris Pharmaceuticals
Experience
- SASHead of Gamescurrent2023 β present
- Oxygen EsportsCo-Foundercurrent2020 β present
- RosettaBooksAuthor, The Book of Esportscurrent2020 β present
- Adventris PharmaceuticalsCo-Foundercurrent2023 β present
- Pioneer FundVenture Partnercurrent2024 β present
- RIDigiChairmancurrent2022 β presentRhode Island
- New England Institute of TechnologyProfessor of Esportscurrent2021 β presentRhode Island
- The Business of EsportsCo-Foundercurrent2018 β present
- Esports Entertainment Group (NASDAQ: GMBL)Vice President2021 β 2022
- Becker CollegeScholar of Esports (Professor)2018 β 2021
- Genji Analytics (Sold to EEG)Co-Founder2018 β 2021
- Gamer Sensei (Sold to Corsair)Co-Founder2016 β 2021Greater Boston
- Emerson CollegeEsports Professor2018 β 2019
- HasbroSenior Global Brand Manager2014 β 2016Providence RI
- HasbroGlobal Brand Manager2013 β 2014Providence RI
- HasbroAssociate Brand Manager2011 β 2013
- HasbroMBA Summer Associate2010
- The Institute for Strategic LeadershipInternational Project Coordinator2009
- The Boston Consulting GroupAssociate2007 β 2009
Education
- Harvard Business SchoolMBA2009 β 2011
- Amherst CollegeBA, Economics2003 β 2007
Skills & more
Languages Japanese
From William's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
Harvard Business School mafia197
Also came through, then founded or led a company.
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+ 190 more
Amherst College mafia11
Also came through, then founded or led a company.
+ 4 more
Same school
Also attended Harvard Business School2,000
+ 1,994 more
Shared employers
Also worked at SAS22
+ 16 more
Also worked at Becker College1
Also worked at Emerson College2
Also worked at The Boston Consulting Group857
+ 851 more