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James Orsillo

Chief Financial Officer and director at TetraScience. Also a director at CloudZero.

ExecutiveDirectorRoles at 2 startups
Updated Nov 11, 2026·Latest SEC filing Feb 27, 2026·Suggest an edit

About James Orsillo

James Orsillo is a chief financial officer and director at TetraScience.

Form D filings also name James Orsillo as a director at CloudZero.

James Orsillo first appears on SEC filings in 2023.

Experience

This experience comes from James Orsillo's profile and from SEC filings. For roles taken from filings, the years are when the filings name James Orsillo in the role, so the role may have started earlier or lasted longer.

TetraScience, Inc. Current
Chief Financial Officer and director
2021 – Present · Boston, MA
Scientific data management and AI software for life sciences companies.
Underscore VC Current
Venture Partner
2018 – Present
Salsify
Board Director
2024 – 2026
CloudZero Inc.
Director
2023 – 2026 · Boston, MA
Apploi
Board Director
2023 – 2026
SaaS Metrics Standards Board
Advisory Council Member
2023 – 2025
OPEXEngine
Advisory Board Member
2016 – 2020
Maxwell Health
Chief Financial Officer
2016 – 2018
Evariant, a Healthgrades company
Chief Financial Officer
2012 – 2016
American Tower
Senior Manager, Corporate FP&A
2010 – 2011
KAZ
Business Partner, Finance
2007 – 2010
Decision Resources Group, part of Clarivate
Manager, FP&A
2002 – 2007
Digitas
Senior Financial Analyst
2000 – 2001
DeltaTrends
Finance and Operations Manager
1999 – 2000

Key Colleagues at Startups

The people James Orsillo works with at each company, as listed on that company's latest Form D.

TetraScience, Inc. · Form D, Feb 27, 2026
DP
Deven Parekh
Board Member
PG
Patrick Grady
CEO and director
SW
Siping Wang
President and CTO, director
RE
Remy Evard
Director
CloudZero Inc. · Form D, Feb 19, 2025
JM
Justin Moore
Director
TB
Tim Barrows
Director
DB
Don Bulens
Director
EP
PP
Philip Pergola
Chief Executive Officer and director

Sources

  1. SECTetraScience, Inc. Form D, filed Feb 27, 2026
  2. SECCloudZero Inc. Form D, filed Feb 19, 2025