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People · Technology
Spiros Giannaros — CEO · Gresham Technologies · Boston, Massachusetts, United States.
Direct contact
No direct contact on file for Spiros yet.
Experience
CEOCurrent
Gresham
Jun 2026 – Present
Operating Advisor
STG – Symphony Technology Group
Feb 2026 – Present
Education
- Boston College — BS, Finance & Marketing
- Brockton High School
Skills
Trading SystemsElectronic TradingFixed IncomeOrder ManagementMarket DataEAI
Related professionals · Gresham Technologies
- Andrew Elmore — Chief Technology Officer
- David Yates — Chief Financial Officer
- Davit Harutyunyan — Chief Product & AI Officer
- Devendra Bhudia — Chief Product Officer
- Marc Bala — Managing Director, STG (owner representative quoted)
- Mark Hepsworth — Transition to board role announced30June2026