Sean Feeney – Startup Investor Profile

Sean Feeney is an experienced investor with a track record in the options market. He has a diverse investment portfolio including companies like Great Jones, Learnosity, and Prolific Machines. His investments are primarily in sectors such as Enterprise Applications and EdTech, with a focus on companies in the United States and Ireland. Sean’s investment check size varies, and he has a partnership style that encourages open collaboration across business functions to achieve shared goals. Sean Feeney’s professional background includes roles such as head of US Options for Nasdaq, portfolio manager at Forty Four Asset Management, and experience in startup activities. His educational background includes studies in applied math and statistics at Stony Brook University.

Location: Cincinnati, Ohio, United States

Country: Ireland

Investment Regions:

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Search results and LinkedIn show Sean Feeney has public activity including roles and mentions; however no public record found of recent investments into Great Jones, Learnosity, or Prolific Machines with dates within the past 12 months. The latest identifiable investment-related activity or role change was in early 2025 (job change) but no investment announcements located. Last known investment in cited startups appears older than 12 months (no evidence of investments within past year). Therefore classify as low-active.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.