Fractional Executive • Mentor • Growth Expert
Stop Struggling with
Engineering Team Growth
Your engineering team is your growth engine. But scaling it without breaking velocity, culture, or quality? That's where many startups fail. With a pragmatic, people-first approach grounded in metrics, I help you avoid those costly mistakes and build teams that thrive.
Trusted by Leading Companies
FAIRE
Condé Nast
3 Billion-Dollar Exits6 Marketplace Successes15+ Years Experience
Engineering Leadership Mentoring
Accelerate your journey from senior engineer to executive. Get the guidance you wish you had when you started leading.
Navigate Critical Transitions
First-time manager: Build confidence in giving feedback, setting expectations, and growing your team
Director transition: Learn to influence without authority and drive cross-functional initiatives
VP readiness: Develop strategic thinking, stakeholder management, and executive presence
What Leaders Say
“Mario helped me navigate my first director role with confidence. His practical advice on managing up and building team culture was game-changing.”
— Engineering Director, Series B Startup
20+ Leaders Mentored
Across startups to Fortune 500
Growth Engineering & Marketplace Expertise
Turn your engineering team into a growth engine. Deep expertise in two-sided platforms and marketplace dynamics.
Growth Engineering
“Everything is an experiment” - The growth engineering mindset
- ✓Hypothesis-driven development: Build experiments, not just features
- ✓Full-stack growth impact: From signup funnels to revenue optimization
- ✓Data-driven iteration: Measure, learn, and scale what works
- ✓Cross-functional execution: Engineering + business + product skills
Marketplace Growth
Real tactics that actually move the needle
- ✓Know your best users: Focus on segments that create the most value
- ✓Find the magic moment: When users realize why your platform matters
- ✓Fix the chicken-egg: Proven strategies to get both sides engaged
- ✓Build defensibility: Network effects that competitors can't replicate
Proven Track Record
6
Marketplaces Scaled
3
Billion-Dollar Exits
10x
Revenue Impact
REX • Faire • MasterClass • TripAdvisor