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Martín Sagastume
1 STAR

Martín Sagastume

Product Engineering

Fractional Consulting Expert Advising Venture Cofounding
Madrid, Spain
15-20+ years
STAR Portfolio™

My Operator Thesis

I'm an Engineering Leader who helps build and scale high-performing tech teams, establish strong engineering culture, and drive product delivery from idea to execution. I focus on balancing technical excellence with business impact, enabling teams to grow sustainably while shipping at speed.

My Unique Problem & Insight

My Advisory Philosophy

A successful relationship is built on trust, clear expectations, and actionable guidance delivered in a S.C.R.I.P.T-ful way. Regular feedback loops and open communication. Time commitment 2-3 hours per week.

My STAR Portfolio™

🔒 Previews only — full studies at intro call

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Complete STAR Portfolio™ case studies, problem thesis, operator insight, and advisory philosophy shared during intro call.

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About

Location

Madrid, Spain

Experience

15-20+ years

Function

Product Engineering

Level

Director

Core Industries

AI & Machine Learning B2B SaaS / Enterprise Software Cloud Computing & Infrastructure Professional Services (Consulting, Legal) Other

Organization Types

Startup (Pre-Seed/Seed) Other

Engage with Martín

Get matched with Martín for fractional consulting, expert advising, or venture cofounding. All experts are founder-vetted.

Explore Engagement Options →
Founder-Vetted · STAR Portfolio™ · 48-Hour Matching

Engagement Pathways

Fractional Consulting

Retainer based · 10–30 hrs/month · 3–12 month engagements

Expert Advising

3–5 vetted experts · 2–3 hrs/month · Quarterly outcome tracking

Venture Cofounding

Co-building partner · SOS methodology · Pre-seed capital

Founder-Vetted · STAR Portfolio™ · 48-Hour Matching · 3 Engagement Models · Concierge Matching

Get Matched with Martín in 48 Hours

Every engagement is scoped to your initiative and stage. Book a 20-minute discovery call to get matched.

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