DENNIS A. CLOSE
JUPITER, FL  ·  26.93°N   80.10°W
01   Profile Dennis A. Close  ·  Jupiter, FL

Two decades building, scaling & exiting.

Operating principal of Dice Holdings — a private, family-office-style platform with $2B+ in cumulative asset value across digital infrastructure and real assets. A capital-markets operator who built and sold a regulated digital-securities platform (December 2025), and now a Superyacht Broker with HMY Yacht Sales. Thirty years from the submarine control room to the cap table.


01.AStrategic Exit

Liquidity One AG

Role
Partner & Chief Revenue Officer
Tenure
2022 – 2025
Exit
Strategic acquisition
Acquirer
DeRisk Digital / Bosonic Digital
Closed
December 2025

SEC/FINRA-registered ATS for tokenization, real-time settlement, and collateral optimization. Built and scaled the regulated digital-asset securities platform from inception through strategic acquisition. Managed CXO-level relationships across banking and broker-dealer ecosystems in multi-jurisdictional environments. Coordinated cross-functional teams across operations, engineering, and compliance through SEC and FINRA registration.


01.BCareer

Thirty years. One trajectory.


01.CCredentials

Education & clearances.

Education
  • B.A. Political Science, International Affairs — University of North Florida
  • Naval Officer Candidate School — Newport, RI (STA-21)
Licenses & Clearances
  • Florida Employing Yacht Broker — Active
  • International Yacht Brokers Association — Member
  • Top Secret / SCI & Intelligence Custodian — Former
  • Submarine Warfare Qualified (SS) — 8 SSBN Patrols