Colleen Sullivan
Partner in CMT Digital Holdings LLC @ CMT Capital Markets Trading
Chicago, United States
Colleen Sullivan is a partner and CEO in CMT Digital, a division of the CMT Group, of which she has been a partner since August 2013. CMT Digital is focused on crypto asset trading, blockchain technology investments, and legal/policy engagement in the crypto asset / blockchain technology industry.Colleen is also a co-founder andmanaging member of Sullivan Wolf Kailus LLC, a boutique law firm based in Chicago, that specializes in hedge fund, private equity, venture capital, Digital Assets, and other alternative investment products. Colleen has advised hedge fund, proprietary trading, private equity, broker-dealer, venture capital, fintech, digital assets, and financial trading technology clients on a broad range of domestic and international transactions and regulatory matters.
- Total investments:
- 11
- Last investment:
- Lead investor:
- 36%
Last updated:
For AI agents: llms.txt
Industries Colleen Sullivan invests in
Stages Colleen Sullivan invests in
Countries Colleen Sullivan invests in
Investment Focus
Industry
- Cryptocurrency 3 (27%)
- Video Games 2 (18%)
- Online Games 2 (18%)
- Web3 1 (9%)
- Sports 1 (9%)
Country
- United States 3 (27%)
- Singapore 2 (18%)
- Canada 1 (9%)
- Switzerland 1 (9%)
Investments
| Company | Description | Round | Links |
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Mighty Bear is a Singapore-based studio building the next generation of massively multiplayer online mobile games. The team is a collective of games industry vetarans from the likes of King, Ubisoft, EA, Lucasarts, Disney, Gameloft, and Jagex. Mighty Bear make games that combine the depth of desktop gaming with the accessibility of mobile -"Mobile games without compromise". | $4M / Feb 03, 2025 | |
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CAT Labs is developing cybersecurity and digital asset recovery solutions to assist governments in combating cryptocurrency crime and protecting investors from scams, fraud, and hacking. | $4.3M / Seed / Apr 11, 2023 | |
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CAT Labs is developing cybersecurity and digital asset recovery solutions to assist governments in combating cryptocurrency crime and protecting investors from scams, fraud, and hacking. | $4.3M / Pre-Seed / Apr 10, 2023 | |
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Evertas is a cryptoasset insurance company. Evertas focuses on covering institutional holders of cryptoassets including exchanges, custodians, traditional financial institutions, funds, family offices, and ultra-high net worth individuals. | $14M / Series A / Dec 12, 2022 | |
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Yakoa is a NFT Fraud Detection Network. | $4.8M / Seed / Nov 15, 2022 | |
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Horizon is building a New Dimension where Internet economies are fun, accessible, and for the benefit of all participants. We have two amazing products to make this real:Sequence, which consists of i) a friendly crypto, NFT + Web3 smart wallet, and ii) a seamless developer platform for Ethereum, NFTs, Web3, DeFi and Dapps. Sequence makes it easyfor users to access and for developers to build the next generation of Internet economies and experiences.Skyweaver, a digital trading card game—powered by Sequence + blockchain—where players actually own the game items they win and purchase. For the first time, gamers can easily and securely sell and trade their items. | $40M / Series A / Oct 03, 2022 | |
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OrBit Markets provides crypto derivatives, exotic options, and structured products to meet the growing demand for more sophisticated yield enhancement and investment solutions in digital assets. | $4.6M / Angel / Jul 31, 2022 | |
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PolySign develops state-of-the-art, secure, scalable infrastructure for financial institutions to fully leverage their digital assets. The company also develops a secure and scalable infrastructure for financial institutions to fully leverage their digital assets. They aim to integrate with existing financial organizations and global markets, andrigorously embrace the highest standards for regulation. | $53M / Series C / Apr 13, 2022 | |
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Horizon is building a New Dimension where Internet economies are fun, accessible, and for the benefit of all participants. We have two amazing products to make this real:Sequence, which consists of i) a friendly crypto, NFT + Web3 smart wallet, and ii) a seamless developer platform for Ethereum, NFTs, Web3, DeFi and Dapps. Sequence makes it easyfor users to access and for developers to build the next generation of Internet economies and experiences.Skyweaver, a digital trading card game—powered by Sequence + blockchain—where players actually own the game items they win and purchase. For the first time, gamers can easily and securely sell and trade their items. | $4.5M / Seed / Jul 29, 2021 | |
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Syndicate is a decentralized asset management platform and social network. | $800K / Seed / Jun 30, 2021 | |
| See all 11 investments → | |||
Co-Investors
About CMT Capital Markets Trading
CMT is a dynamic proprietary trading and financial services firm with a proven track record. Founded in 1997, CMT has adapted and succeeded in bull and bear markets, enduring the swings and dips of the economy for nearly 2 decades. CMT is a known player in the low-latency, high frequency trading scenes both in the US and Europe. In addition CMT hasa successful private equity and venture capital group, investing and sitting on the boards of early stage corporations in various industries.
CMT Capital Markets Trading Contacts
| Name | Phone | Socials | |
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Chad Feigel
CFO
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Robert Walker
CTO
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Tim Stoner
CCO
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Colleen Sullivan
Partner in CMT Digital Holdings LLC
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Jan-Dirk Lueders
Co-Founder
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FAQ
What does Colleen Sullivan invest in?
Colleen Sullivan invests primarily in Cryptocurrency, Video Games and Online Games startups, most often at Seed and Series A stage. Most of the 11 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Colleen Sullivan last invest?
The most recent investment recorded for Colleen Sullivan closed in Feb 2025. Shizune tracks 11 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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