
Julian Simpson
Operator
Julian builds financial infrastructure for AI companies and the executives running them. VP Finance & Operations at RelationalAI, Founder of StartOS and FractalOS, and strategic advisor on technology transformation across enterprise organizations.
Product.
MRR
$48.2K
+12%
ARR
$578K
+34%
NRR
118%
+3pp
Runway
18 mo
FvA: −1 mo
StartOS
The operating system for software startups. From first dollar to first audit. Accounting, metrics, cap table, and investor updates on one platform.


Agnostic
A publication for technical thinkers who built the systems and wrote the books that shaped modern software development.
FractalOS
The operating system for fractional executives. Separate engagements, one practice. One working surface across every company served.
TrancheComing Soon
Tranche is a declarative rules engine for complex financial distributions, from PE cap tables and waterfall modelling to fund-level economics and partnership compensation structures.
Current Focus.
- Current Role
- Head of Finance and Operations · RelationalAI
- RelationalAI
- Building
- StartOS · Pre-seed
- Pre-seed
- FractalOS · Pre-seed
- Pre-seed
- Planning
- Tranche · Planning & Design
- Planning & Design
- Agnostic · Collecting Articles
- Collecting Articles