Hamilton Sekino

Managing Partner at btn partners and fintech investor

📍 United States🔄 Updated September 2026💼 2 investments📅 4 years investing🗓 Last invested Jan 2023
VC🌍 United States
2
Total investments
0
Early stage
1
Mid stage
0
Late stage
4y
Years active

Portfolio

2 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Limited Partner Investor
2023
Antler is one of the most active early-stage investors globally. The firm leads in ‘Day Zero’ investing, an approach to venture capital focused on partnering with founders pre-launch. Antler systematically removes capital and network constraints for early-stage technology entrepreneurs by providing co-founder matching, deep business model validation, initial capital, expansion support, and follow-on funding. The firm is present in 27 cities across most leading technology ecosystems globally and has made over 1,300 investments into early-stage startups. Antler has been repeatedly recognized by Pitchbook as the world’s most active angel and seed-stage investor.
Limited Partner Investor
2022
Endeavor is the leading global network of, by, and for high-impact entrepreneurs innovating Elsewhere. We support 3,000+ high-growth, high-impact entrepreneurs across 50+ markets.
Experience · 8 entries
All (8)
Investments (2)
2025
Advisor
2025
Gramercy is a global emerging markets alternatives investment manager with offices in Greenwich, West Palm Beach, London, Buenos Aires, Miami, and Mexico City, and dedicated lending platforms in Mexico, Türkiye, Peru, Pan-Africa, and Brazil. The firm, founded in 1998, seeks to provide investors with a better approach to emerging markets, delivering attractive risk-adjusted returns supported by a transparent and robust institutional platform. Gramercy offers alternative and long-only strategies across emerging markets asset classes including multi-asset, direct lending, EM debt, and special situations. Gramercy’s mission is to positively impact the well-being of our clients, portfolio investments, and team members. Gramercy is a Registered Investment Adviser with the US Securities and Exchange Commission (SEC) and a Signatory of the Principles for Responsible Investment (PRI). Gramercy Ltd, an affiliate, is registered with the UK Financial Conduct Authority (FCA).
2023
Limited Partner Investor
2023
Antler is one of the most active early-stage investors globally. The firm leads in ‘Day Zero’ investing, an approach to venture capital focused on partnering with founders pre-launch. Antler systematically removes capital and network constraints for early-stage technology entrepreneurs by providing co-founder matching, deep business model validation, initial capital, expansion support, and follow-on funding. The firm is present in 27 cities across most leading technology ecosystems globally and has made over 1,300 investments into early-stage startups. Antler has been repeatedly recognized by Pitchbook as the world’s most active angel and seed-stage investor.
2022
Limited Partner Investor
2022
Endeavor is the leading global network of, by, and for high-impact entrepreneurs innovating Elsewhere. We support 3,000+ high-growth, high-impact entrepreneurs across 50+ markets.
Partner
2022
Financial adviser to the FinTech ecosystem Zelig advises FinTech companies throughout their lifecycle, from their first institutional funding round through to sale or IPO We are focused exclusively on the FinTech sector and as a result have developed deep domain expertise and a global network of trusted relationships, helping us deliver exceptional results for our clients Our founders were the first investment bankers covering FinTech in Europe and all our partners have held senior roles at leading investments banks. Our core investment banking team in London and New York is supported by a global network of senior advisers who bring experience as company founders, corporate executives and technologists As a firm, Zelig has successfully advised on over 25 FinTech transactions, with our team collectively advising on well-over over 100 FinTech transactions in total, including multi-billion dollar public takeovers and IPOs
2019
Advisor
2019
Founded in 1998, Great Hill Partners is a private equity firm targeting investments of $100 million to $750 million in high-growth companies across the software, financial services, healthcare, consumer, and business services sectors. With offices in Boston and London, Great Hill has raised funds with over $19 billion in commitments and invested in more than 100 companies since 1998, establishing an extensive track record of building long-term partnerships with entrepreneurs and providing flexible resources to help middle-market companies scale. Great Hill has been recognized for its industry leadership, ranking in the top 5 of HEC Paris-Dow Jones’ Mid-Market, Large Buyout, and Upper Mid-Market Performance Ranking lists for five consecutive years (2021–2025). For more information, including a list of all Great Hill investments, please visit www.greathillpartners.com. Disclaimer: An additional HEC ranking was awarded that is not presented herein. Further information is available upon request. Great Hill Partners did not provide any compensation to HEC Paris-Dow Jones to be considered for any of these rankings.
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