who we are

rexx studio is a venture studio that co-founds tech companies for under-digitalized mid-market industries. We engineer every company from day 0 for private equity roll-up buyouts and venture scale. Rexx acts as co-founder and first allocator on every company.

role summary

you manage the financial architecture that keeps the studio and its spinout ventures operating smoothly. You will oversee multi-entity capital allocations, financial modeling, budgeting, lp data rooms, and corporate compliance across delaware c-corps and mexican subsidiaries.

key responsibilities

- investment analysis & ic support: conduct valuation modeling, unit economics checks, and financial analysis to support the investment committee (ic) on venture stage-gate decisions and pre-seed capital allocations.

- fundraising & data room management: prepare financial models, capitalization tables, financial deck slides, and data rooms to support studio and venture fundraising with family offices, lps, and institutional investors.

- financial modeling, forecasting & budgets: build and maintain financial models (and pricing strategies), studio operating budgets, and multi-year projections for rexx and individual portfolio ventures.

- burn management & capital discipline: track monthly studio burn, cash runway, and unit economics across parallel builds to maintain strict capital ceilings.





- entity setup & legal operations: coordinate delaware c-corp incorporations, mexican subsidiary filings, safe notes, and cap table mechanics for new studio spinouts.

- accounting, tax & automation: oversee corporate accounting compliance (us and mexico), inter-company billing, vendor contracts, and set up automated reporting workflows using tools like excel, notion, and zapier for real-time visibility.

requirements & background

- 1+ years in corporate finance, vc back-office, fund operations, or startup finops (experience in a venture studio, vc fund, or venture-backed company is a major plus).

- deep proficiency in financial modeling, cap table management, and corporate accounting (familiarity with delaware c-corp and mexico legal/tax frameworks required).

- direct experience with corporate finance fundamentals: managing budgets, cash flow forecasting, burn rates, and investor data rooms.

- bilingual fluency in english and spanish for investor reporting and cross-regional legal/financial operations.

- pragmatic systems builder: skilled at using modern software tools (notion, airtable, coda, zapier, excel) to automate reporting and keep administrative overhead minimal.

- organized and detail-oriented, capable of managing financial compliance across multiple parallel companies without friction.

📌 Venture finance lead (México)
🏢 REXX Studio
📍 México